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Message-Id: <1643734614230103@kroah.com>
Date: Tue, 1 Feb 2022 17:56:55 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.16.5
diff --git a/Documentation/accounting/psi.rst b/Documentation/accounting/psi.rst
index f2b3439edcc2..860fe651d645 100644
--- a/Documentation/accounting/psi.rst
+++ b/Documentation/accounting/psi.rst
@@ -92,7 +92,8 @@ Triggers can be set on more than one psi metric and more than one trigger
for the same psi metric can be specified. However for each trigger a separate
file descriptor is required to be able to poll it separately from others,
therefore for each trigger a separate open() syscall should be made even
-when opening the same psi interface file.
+when opening the same psi interface file. Write operations to a file descriptor
+with an already existing psi trigger will fail with EBUSY.
Monitors activate only when system enters stall state for the monitored
psi metric and deactivates upon exit from the stall state. While system is
diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
index 0968b40aef1e..e3501bfa22e9 100644
--- a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
+++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
@@ -31,7 +31,7 @@ tcan4x5x: tcan4x5x@0 {
#address-cells = <1>;
#size-cells = <1>;
spi-max-frequency = <10000000>;
- bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>;
+ bosch,mram-cfg = <0x0 0 0 16 0 0 1 1>;
interrupt-parent = <&gpio1>;
interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
diff --git a/Makefile b/Makefile
index 36ff4ed4763b..2f0e5c3d9e2a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 16
-SUBLEVEL = 4
+SUBLEVEL = 5
EXTRAVERSION =
NAME = Gobble Gobble
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 7d23d4bb2168..6fe67963ba5a 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -288,6 +288,7 @@
*/
#define ALT_UP(instr...) \
.pushsection ".alt.smp.init", "a" ;\
+ .align 2 ;\
.long 9998b - . ;\
9997: instr ;\
.if . - 9997b == 2 ;\
@@ -299,6 +300,7 @@
.popsection
#define ALT_UP_B(label) \
.pushsection ".alt.smp.init", "a" ;\
+ .align 2 ;\
.long 9998b - . ;\
W(b) . + (label - 9998b) ;\
.popsection
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 6af68edfa53a..bdc35c0e8dfb 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -96,6 +96,7 @@ unsigned long __get_wchan(struct task_struct *p);
#define __ALT_SMP_ASM(smp, up) \
"9998: " smp "\n" \
" .pushsection \".alt.smp.init\", \"a\"\n" \
+ " .align 2\n" \
" .long 9998b - .\n" \
" " up "\n" \
" .popsection\n"
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 36fbc3329252..32dbfd81f42a 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -11,6 +11,7 @@
#include <linux/string.h>
#include <asm/memory.h>
#include <asm/domain.h>
+#include <asm/unaligned.h>
#include <asm/unified.h>
#include <asm/compiler.h>
@@ -497,7 +498,10 @@ do { \
} \
default: __err = __get_user_bad(); break; \
} \
- *(type *)(dst) = __val; \
+ if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)) \
+ put_unaligned(__val, (type *)(dst)); \
+ else \
+ *(type *)(dst) = __val; /* aligned by caller */ \
if (__err) \
goto err_label; \
} while (0)
@@ -507,7 +511,9 @@ do { \
const type *__pk_ptr = (dst); \
unsigned long __dst = (unsigned long)__pk_ptr; \
int __err = 0; \
- type __val = *(type *)src; \
+ type __val = IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) \
+ ? get_unaligned((type *)(src)) \
+ : *(type *)(src); /* aligned by caller */ \
switch (sizeof(type)) { \
case 1: __put_user_asm_byte(__val, __dst, __err, ""); break; \
case 2: __put_user_asm_half(__val, __dst, __err, ""); break; \
diff --git a/arch/arm/probes/kprobes/Makefile b/arch/arm/probes/kprobes/Makefile
index 14db56f49f0a..6159010dac4a 100644
--- a/arch/arm/probes/kprobes/Makefile
+++ b/arch/arm/probes/kprobes/Makefile
@@ -1,4 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
+KASAN_SANITIZE_actions-common.o := n
+KASAN_SANITIZE_actions-arm.o := n
+KASAN_SANITIZE_actions-thumb.o := n
obj-$(CONFIG_KPROBES) += core.o actions-common.o checkers-common.o
obj-$(CONFIG_ARM_KPROBES_TEST) += test-kprobes.o
test-kprobes-objs := test-core.o
diff --git a/arch/arm64/kvm/hyp/exception.c b/arch/arm64/kvm/hyp/exception.c
index 0418399e0a20..c5d009715402 100644
--- a/arch/arm64/kvm/hyp/exception.c
+++ b/arch/arm64/kvm/hyp/exception.c
@@ -38,7 +38,10 @@ static inline void __vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
static void __vcpu_write_spsr(struct kvm_vcpu *vcpu, u64 val)
{
- write_sysreg_el1(val, SYS_SPSR);
+ if (has_vhe())
+ write_sysreg_el1(val, SYS_SPSR);
+ else
+ __vcpu_sys_reg(vcpu, SPSR_EL1) = val;
}
static void __vcpu_write_spsr_abt(struct kvm_vcpu *vcpu, u64 val)
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index f8ceebe4982e..4c77ff556f0a 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -921,13 +921,9 @@ static int stage2_unmap_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
*/
stage2_put_pte(ptep, mmu, addr, level, mm_ops);
- if (need_flush) {
- kvm_pte_t *pte_follow = kvm_pte_follow(pte, mm_ops);
-
- dcache_clean_inval_poc((unsigned long)pte_follow,
- (unsigned long)pte_follow +
- kvm_granule_size(level));
- }
+ if (need_flush && mm_ops->dcache_clean_inval_poc)
+ mm_ops->dcache_clean_inval_poc(kvm_pte_follow(pte, mm_ops),
+ kvm_granule_size(level));
if (childp)
mm_ops->put_page(childp);
@@ -1089,15 +1085,13 @@ static int stage2_flush_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
struct kvm_pgtable *pgt = arg;
struct kvm_pgtable_mm_ops *mm_ops = pgt->mm_ops;
kvm_pte_t pte = *ptep;
- kvm_pte_t *pte_follow;
if (!kvm_pte_valid(pte) || !stage2_pte_cacheable(pgt, pte))
return 0;
- pte_follow = kvm_pte_follow(pte, mm_ops);
- dcache_clean_inval_poc((unsigned long)pte_follow,
- (unsigned long)pte_follow +
- kvm_granule_size(level));
+ if (mm_ops->dcache_clean_inval_poc)
+ mm_ops->dcache_clean_inval_poc(kvm_pte_follow(pte, mm_ops),
+ kvm_granule_size(level));
return 0;
}
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index 20db2f281cf2..4fb419f7b8b6 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -983,6 +983,9 @@ static void __vgic_v3_read_ctlr(struct kvm_vcpu *vcpu, u32 vmcr, int rt)
val = ((vtr >> 29) & 7) << ICC_CTLR_EL1_PRI_BITS_SHIFT;
/* IDbits */
val |= ((vtr >> 23) & 7) << ICC_CTLR_EL1_ID_BITS_SHIFT;
+ /* SEIS */
+ if (kvm_vgic_global_state.ich_vtr_el2 & ICH_VTR_SEIS_MASK)
+ val |= BIT(ICC_CTLR_EL1_SEIS_SHIFT);
/* A3V */
val |= ((vtr >> 21) & 1) << ICC_CTLR_EL1_A3V_SHIFT;
/* EOImode */
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 04f62c4b07fb..0216201251e2 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -609,6 +609,18 @@ static int __init early_gicv4_enable(char *buf)
}
early_param("kvm-arm.vgic_v4_enable", early_gicv4_enable);
+static const struct midr_range broken_seis[] = {
+ MIDR_ALL_VERSIONS(MIDR_APPLE_M1_ICESTORM),
+ MIDR_ALL_VERSIONS(MIDR_APPLE_M1_FIRESTORM),
+ {},
+};
+
+static bool vgic_v3_broken_seis(void)
+{
+ return ((kvm_vgic_global_state.ich_vtr_el2 & ICH_VTR_SEIS_MASK) &&
+ is_midr_in_range_list(read_cpuid_id(), broken_seis));
+}
+
/**
* vgic_v3_probe - probe for a VGICv3 compatible interrupt controller
* @info: pointer to the GIC description
@@ -676,9 +688,10 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
group1_trap = true;
}
- if (kvm_vgic_global_state.ich_vtr_el2 & ICH_VTR_SEIS_MASK) {
- kvm_info("GICv3 with locally generated SEI\n");
+ if (vgic_v3_broken_seis()) {
+ kvm_info("GICv3 with broken locally generated SEI\n");
+ kvm_vgic_global_state.ich_vtr_el2 &= ~ICH_VTR_SEIS_MASK;
group0_trap = true;
group1_trap = true;
if (ich_vtr_el2 & ICH_VTR_TDS_MASK)
diff --git a/arch/arm64/mm/extable.c b/arch/arm64/mm/extable.c
index c3d53811a15e..5d1a3125fd2b 100644
--- a/arch/arm64/mm/extable.c
+++ b/arch/arm64/mm/extable.c
@@ -43,8 +43,8 @@ static bool
ex_handler_load_unaligned_zeropad(const struct exception_table_entry *ex,
struct pt_regs *regs)
{
- int reg_data = FIELD_GET(EX_DATA_REG_DATA, ex->type);
- int reg_addr = FIELD_GET(EX_DATA_REG_ADDR, ex->type);
+ int reg_data = FIELD_GET(EX_DATA_REG_DATA, ex->data);
+ int reg_addr = FIELD_GET(EX_DATA_REG_ADDR, ex->data);
unsigned long data, addr, offset;
addr = pt_regs_read_reg(regs, reg_addr);
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index acb55a41260d..2bcdd7d3a1ad 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -76,5 +76,5 @@ static void pci_fixup_video(struct pci_dev *pdev)
}
}
}
-DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
+DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
diff --git a/arch/mips/loongson64/vbios_quirk.c b/arch/mips/loongson64/vbios_quirk.c
index 9a29e94d3db1..3115d4de982c 100644
--- a/arch/mips/loongson64/vbios_quirk.c
+++ b/arch/mips/loongson64/vbios_quirk.c
@@ -3,7 +3,7 @@
#include <linux/pci.h>
#include <loongson.h>
-static void pci_fixup_radeon(struct pci_dev *pdev)
+static void pci_fixup_video(struct pci_dev *pdev)
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
@@ -22,8 +22,7 @@ static void pci_fixup_radeon(struct pci_dev *pdev)
res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
IORESOURCE_PCI_FIXED;
- dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
- PCI_ROM_RESOURCE, res);
+ dev_info(&pdev->dev, "Video device with shadowed ROM at %pR\n", res);
}
-DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, 0x9615,
- PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
+DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_ATI, 0x9615,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
index f5be185cbdf8..94ad7acfd056 100644
--- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h
+++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
@@ -143,6 +143,8 @@ static __always_inline void update_user_segments(u32 val)
update_user_segment(15, val);
}
+int __init find_free_bat(void);
+unsigned int bat_block_size(unsigned long base, unsigned long top);
#endif /* !__ASSEMBLY__ */
/* We happily ignore the smaller BATs on 601, we don't actually use
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index fff391b9b97b..5b150cf57361 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -39,7 +39,6 @@ struct kvm_nested_guest {
pgd_t *shadow_pgtable; /* our page table for this guest */
u64 l1_gr_to_hr; /* L1's addr of part'n-scoped table */
u64 process_table; /* process table entry for this guest */
- u64 hfscr; /* HFSCR that the L1 requested for this nested guest */
long refcnt; /* number of pointers to this struct */
struct mutex tlb_lock; /* serialize page faults and tlbies */
struct kvm_nested_guest *next;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index e4d23193eba7..2ec07dacbaa1 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -814,6 +814,7 @@ struct kvm_vcpu_arch {
/* For support of nested guests */
struct kvm_nested_guest *nested;
+ u64 nested_hfscr; /* HFSCR that the L1 requested for the nested guest */
u32 nested_vcpu_id;
gpa_t nested_io_gpr;
#endif
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index baea657bc868..bca31a61e57f 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -498,6 +498,7 @@
#define PPC_RAW_LDX(r, base, b) (0x7c00002a | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
#define PPC_RAW_LHZ(r, base, i) (0xa0000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
#define PPC_RAW_LHBRX(r, base, b) (0x7c00062c | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
+#define PPC_RAW_LWBRX(r, base, b) (0x7c00042c | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
#define PPC_RAW_LDBRX(r, base, b) (0x7c000428 | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
#define PPC_RAW_STWCX(s, a, b) (0x7c00012d | ___PPC_RS(s) | ___PPC_RA(a) | ___PPC_RB(b))
#define PPC_RAW_CMPWI(a, i) (0x2c000000 | ___PPC_RA(a) | IMM_L(i))
diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index 52d05b465e3e..25fc8ad9a27a 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -90,7 +90,7 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned long val, mask = -1UL;
unsigned int n = 6;
- if (is_32bit_task())
+ if (is_tsk_32bit_task(task))
mask = 0xffffffff;
while (n--) {
@@ -105,7 +105,7 @@ static inline void syscall_get_arguments(struct task_struct *task,
static inline int syscall_get_arch(struct task_struct *task)
{
- if (is_32bit_task())
+ if (is_tsk_32bit_task(task))
return AUDIT_ARCH_PPC;
else if (IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
return AUDIT_ARCH_PPC64LE;
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 5725029aaa29..d6e649b3c70b 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -168,8 +168,10 @@ static inline bool test_thread_local_flags(unsigned int flags)
#ifdef CONFIG_COMPAT
#define is_32bit_task() (test_thread_flag(TIF_32BIT))
+#define is_tsk_32bit_task(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT))
#else
#define is_32bit_task() (IS_ENABLED(CONFIG_PPC32))
+#define is_tsk_32bit_task(tsk) (IS_ENABLED(CONFIG_PPC32))
#endif
#if defined(CONFIG_PPC64)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 5fa68c2ef1f8..36f3f5a8868d 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -11,6 +11,7 @@ CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
endif
+CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S
index 4b1ff94e67eb..4c6d1a8dcefe 100644
--- a/arch/powerpc/kernel/interrupt_64.S
+++ b/arch/powerpc/kernel/interrupt_64.S
@@ -30,6 +30,7 @@ COMPAT_SYS_CALL_TABLE:
.ifc \srr,srr
mfspr r11,SPRN_SRR0
ld r12,_NIP(r1)
+ clrrdi r11,r11,2
clrrdi r12,r12,2
100: tdne r11,r12
EMIT_WARN_ENTRY 100b,__FILE__,__LINE__,(BUGFLAG_WARNING | BUGFLAG_ONCE)
@@ -40,6 +41,7 @@ COMPAT_SYS_CALL_TABLE:
.else
mfspr r11,SPRN_HSRR0
ld r12,_NIP(r1)
+ clrrdi r11,r11,2
clrrdi r12,r12,2
100: tdne r11,r12
EMIT_WARN_ENTRY 100b,__FILE__,__LINE__,(BUGFLAG_WARNING | BUGFLAG_ONCE)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 94da0d25eb12..a2fd1db29f7e 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1731,7 +1731,6 @@ static int kvmppc_handle_exit_hv(struct kvm_vcpu *vcpu,
static int kvmppc_handle_nested_exit(struct kvm_vcpu *vcpu)
{
- struct kvm_nested_guest *nested = vcpu->arch.nested;
int r;
int srcu_idx;
@@ -1831,7 +1830,7 @@ static int kvmppc_handle_nested_exit(struct kvm_vcpu *vcpu)
* it into a HEAI.
*/
if (!(vcpu->arch.hfscr_permitted & (1UL << cause)) ||
- (nested->hfscr & (1UL << cause))) {
+ (vcpu->arch.nested_hfscr & (1UL << cause))) {
vcpu->arch.trap = BOOK3S_INTERRUPT_H_EMUL_ASSIST;
/*
diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index 89295b52a97c..6c4e0e93105f 100644
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -362,7 +362,7 @@ long kvmhv_enter_nested_guest(struct kvm_vcpu *vcpu)
/* set L1 state to L2 state */
vcpu->arch.nested = l2;
vcpu->arch.nested_vcpu_id = l2_hv.vcpu_token;
- l2->hfscr = l2_hv.hfscr;
+ vcpu->arch.nested_hfscr = l2_hv.hfscr;
vcpu->arch.regs = l2_regs;
/* Guest must always run with ME enabled, HV disabled. */
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 9e5d0f413b71..0b08e85d3839 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -19,6 +19,9 @@ CFLAGS_code-patching.o += -DDISABLE_BRANCH_PROFILING
CFLAGS_feature-fixups.o += -DDISABLE_BRANCH_PROFILING
endif
+CFLAGS_code-patching.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
+CFLAGS_feature-fixups.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
+
obj-y += alloc.o code-patching.o feature-fixups.o pmem.o test_code-patching.o
ifndef CONFIG_KASAN
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 27061583a010..203735caf691 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -76,7 +76,7 @@ unsigned long p_block_mapped(phys_addr_t pa)
return 0;
}
-static int find_free_bat(void)
+int __init find_free_bat(void)
{
int b;
int n = mmu_has_feature(MMU_FTR_USE_HIGH_BATS) ? 8 : 4;
@@ -100,7 +100,7 @@ static int find_free_bat(void)
* - block size has to be a power of two. This is calculated by finding the
* highest bit set to 1.
*/
-static unsigned int block_size(unsigned long base, unsigned long top)
+unsigned int bat_block_size(unsigned long base, unsigned long top)
{
unsigned int max_size = SZ_256M;
unsigned int base_shift = (ffs(base) - 1) & 31;
@@ -145,7 +145,7 @@ static unsigned long __init __mmu_mapin_ram(unsigned long base, unsigned long to
int idx;
while ((idx = find_free_bat()) != -1 && base != top) {
- unsigned int size = block_size(base, top);
+ unsigned int size = bat_block_size(base, top);
if (size < 128 << 10)
break;
@@ -196,18 +196,17 @@ void mmu_mark_initmem_nx(void)
int nb = mmu_has_feature(MMU_FTR_USE_HIGH_BATS) ? 8 : 4;
int i;
unsigned long base = (unsigned long)_stext - PAGE_OFFSET;
- unsigned long top = (unsigned long)_etext - PAGE_OFFSET;
+ unsigned long top = ALIGN((unsigned long)_etext - PAGE_OFFSET, SZ_128K);
unsigned long border = (unsigned long)__init_begin - PAGE_OFFSET;
unsigned long size;
- for (i = 0; i < nb - 1 && base < top && top - base > (128 << 10);) {
- size = block_size(base, top);
+ for (i = 0; i < nb - 1 && base < top;) {
+ size = bat_block_size(base, top);
setibat(i++, PAGE_OFFSET + base, base, size, PAGE_KERNEL_TEXT);
base += size;
}
if (base < top) {
- size = block_size(base, top);
- size = max(size, 128UL << 10);
+ size = bat_block_size(base, top);
if ((top - base) > size) {
size <<= 1;
if (strict_kernel_rwx_enabled() && base + size > border)
diff --git a/arch/powerpc/mm/kasan/book3s_32.c b/arch/powerpc/mm/kasan/book3s_32.c
index 35b287b0a8da..450a67ef0bbe 100644
--- a/arch/powerpc/mm/kasan/book3s_32.c
+++ b/arch/powerpc/mm/kasan/book3s_32.c
@@ -10,48 +10,51 @@ int __init kasan_init_region(void *start, size_t size)
{
unsigned long k_start = (unsigned long)kasan_mem_to_shadow(start);
unsigned long k_end = (unsigned long)kasan_mem_to_shadow(start + size);
- unsigned long k_cur = k_start;
- int k_size = k_end - k_start;
- int k_size_base = 1 << (ffs(k_size) - 1);
+ unsigned long k_nobat = k_start;
+ unsigned long k_cur;
+ phys_addr_t phys;
int ret;
- void *block;
- block = memblock_alloc(k_size, k_size_base);
-
- if (block && k_size_base >= SZ_128K && k_start == ALIGN(k_start, k_size_base)) {
- int shift = ffs(k_size - k_size_base);
- int k_size_more = shift ? 1 << (shift - 1) : 0;
-
- setbat(-1, k_start, __pa(block), k_size_base, PAGE_KERNEL);
- if (k_size_more >= SZ_128K)
- setbat(-1, k_start + k_size_base, __pa(block) + k_size_base,
- k_size_more, PAGE_KERNEL);
- if (v_block_mapped(k_start))
- k_cur = k_start + k_size_base;
- if (v_block_mapped(k_start + k_size_base))
- k_cur = k_start + k_size_base + k_size_more;
-
- update_bats();
+ while (k_nobat < k_end) {
+ unsigned int k_size = bat_block_size(k_nobat, k_end);
+ int idx = find_free_bat();
+
+ if (idx == -1)
+ break;
+ if (k_size < SZ_128K)
+ break;
+ phys = memblock_phys_alloc_range(k_size, k_size, 0,
+ MEMBLOCK_ALLOC_ANYWHERE);
+ if (!phys)
+ break;
+
+ setbat(idx, k_nobat, phys, k_size, PAGE_KERNEL);
+ k_nobat += k_size;
}
+ if (k_nobat != k_start)
+ update_bats();
- if (!block)
- block = memblock_alloc(k_size, PAGE_SIZE);
- if (!block)
- return -ENOMEM;
+ if (k_nobat < k_end) {
+ phys = memblock_phys_alloc_range(k_end - k_nobat, PAGE_SIZE, 0,
+ MEMBLOCK_ALLOC_ANYWHERE);
+ if (!phys)
+ return -ENOMEM;
+ }
ret = kasan_init_shadow_page_tables(k_start, k_end);
if (ret)
return ret;
- kasan_update_early_region(k_start, k_cur, __pte(0));
+ kasan_update_early_region(k_start, k_nobat, __pte(0));
- for (; k_cur < k_end; k_cur += PAGE_SIZE) {
+ for (k_cur = k_nobat; k_cur < k_end; k_cur += PAGE_SIZE) {
pmd_t *pmd = pmd_off_k(k_cur);
- void *va = block + k_cur - k_start;
- pte_t pte = pfn_pte(PHYS_PFN(__pa(va)), PAGE_KERNEL);
+ pte_t pte = pfn_pte(PHYS_PFN(phys + k_cur - k_nobat), PAGE_KERNEL);
__set_pte_at(&init_mm, k_cur, pte_offset_kernel(pmd, k_cur), pte, 0);
}
flush_tlb_kernel_range(k_start, k_end);
+ memset(kasan_mem_to_shadow(start), 0, k_end - k_start);
+
return 0;
}
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 90ce75f0f1e2..8acf8a611a26 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -23,15 +23,15 @@ static void bpf_jit_fill_ill_insns(void *area, unsigned int size)
memset32(area, BREAKPOINT_INSTRUCTION, size / 4);
}
-/* Fix the branch target addresses for subprog calls */
-static int bpf_jit_fixup_subprog_calls(struct bpf_prog *fp, u32 *image,
- struct codegen_context *ctx, u32 *addrs)
+/* Fix updated addresses (for subprog calls, ldimm64, et al) during extra pass */
+static int bpf_jit_fixup_addresses(struct bpf_prog *fp, u32 *image,
+ struct codegen_context *ctx, u32 *addrs)
{
const struct bpf_insn *insn = fp->insnsi;
bool func_addr_fixed;
u64 func_addr;
u32 tmp_idx;
- int i, ret;
+ int i, j, ret;
for (i = 0; i < fp->len; i++) {
/*
@@ -66,6 +66,23 @@ static int bpf_jit_fixup_subprog_calls(struct bpf_prog *fp, u32 *image,
* of the JITed sequence remains unchanged.
*/
ctx->idx = tmp_idx;
+ } else if (insn[i].code == (BPF_LD | BPF_IMM | BPF_DW)) {
+ tmp_idx = ctx->idx;
+ ctx->idx = addrs[i] / 4;
+#ifdef CONFIG_PPC32
+ PPC_LI32(ctx->b2p[insn[i].dst_reg] - 1, (u32)insn[i + 1].imm);
+ PPC_LI32(ctx->b2p[insn[i].dst_reg], (u32)insn[i].imm);
+ for (j = ctx->idx - addrs[i] / 4; j < 4; j++)
+ EMIT(PPC_RAW_NOP());
+#else
+ func_addr = ((u64)(u32)insn[i].imm) | (((u64)(u32)insn[i + 1].imm) << 32);
+ PPC_LI64(b2p[insn[i].dst_reg], func_addr);
+ /* overwrite rest with nops */
+ for (j = ctx->idx - addrs[i] / 4; j < 5; j++)
+ EMIT(PPC_RAW_NOP());
+#endif
+ ctx->idx = tmp_idx;
+ i++;
}
}
@@ -193,13 +210,13 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
/*
* Do not touch the prologue and epilogue as they will remain
* unchanged. Only fix the branch target address for subprog
- * calls in the body.
+ * calls in the body, and ldimm64 instructions.
*
* This does not change the offsets and lengths of the subprog
* call instruction sequences and hence, the size of the JITed
* image as well.
*/
- bpf_jit_fixup_subprog_calls(fp, code_base, &cgctx, addrs);
+ bpf_jit_fixup_addresses(fp, code_base, &cgctx, addrs);
/* There is no need to perform the usual passes. */
goto skip_codegen_passes;
diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
index 8a4faa05f9e4..0448b0c00883 100644
--- a/arch/powerpc/net/bpf_jit_comp32.c
+++ b/arch/powerpc/net/bpf_jit_comp32.c
@@ -191,6 +191,9 @@ void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx, u64 fun
if (image && rel < 0x2000000 && rel >= -0x2000000) {
PPC_BL_ABS(func);
+ EMIT(PPC_RAW_NOP());
+ EMIT(PPC_RAW_NOP());
+ EMIT(PPC_RAW_NOP());
} else {
/* Load function address into r0 */
EMIT(PPC_RAW_LIS(_R0, IMM_H(func)));
@@ -289,6 +292,8 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
bool func_addr_fixed;
u64 func_addr;
u32 true_cond;
+ u32 tmp_idx;
+ int j;
/*
* addrs[] maps a BPF bytecode address into a real offset from
@@ -836,8 +841,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
* 16 byte instruction that uses two 'struct bpf_insn'
*/
case BPF_LD | BPF_IMM | BPF_DW: /* dst = (u64) imm */
+ tmp_idx = ctx->idx;
PPC_LI32(dst_reg_h, (u32)insn[i + 1].imm);
PPC_LI32(dst_reg, (u32)insn[i].imm);
+ /* padding to allow full 4 instructions for later patching */
+ for (j = ctx->idx - tmp_idx; j < 4; j++)
+ EMIT(PPC_RAW_NOP());
/* Adjust for two bpf instructions */
addrs[++i] = ctx->idx * 4;
break;
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 8571aafcc9e1..a26a782e8b78 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -318,6 +318,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
u64 imm64;
u32 true_cond;
u32 tmp_idx;
+ int j;
/*
* addrs[] maps a BPF bytecode address into a real offset from
@@ -632,17 +633,21 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
EMIT(PPC_RAW_MR(dst_reg, b2p[TMP_REG_1]));
break;
case 64:
- /*
- * Way easier and faster(?) to store the value
- * into stack and then use ldbrx
- *
- * ctx->seen will be reliable in pass2, but
- * the instructions generated will remain the
- * same across all passes
- */
+ /* Store the value to stack and then use byte-reverse loads */
PPC_BPF_STL(dst_reg, 1, bpf_jit_stack_local(ctx));
EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], 1, bpf_jit_stack_local(ctx)));
- EMIT(PPC_RAW_LDBRX(dst_reg, 0, b2p[TMP_REG_1]));
+ if (cpu_has_feature(CPU_FTR_ARCH_206)) {
+ EMIT(PPC_RAW_LDBRX(dst_reg, 0, b2p[TMP_REG_1]));
+ } else {
+ EMIT(PPC_RAW_LWBRX(dst_reg, 0, b2p[TMP_REG_1]));
+ if (IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+ EMIT(PPC_RAW_SLDI(dst_reg, dst_reg, 32));
+ EMIT(PPC_RAW_LI(b2p[TMP_REG_2], 4));
+ EMIT(PPC_RAW_LWBRX(b2p[TMP_REG_2], b2p[TMP_REG_2], b2p[TMP_REG_1]));
+ if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
+ EMIT(PPC_RAW_SLDI(b2p[TMP_REG_2], b2p[TMP_REG_2], 32));
+ EMIT(PPC_RAW_OR(dst_reg, dst_reg, b2p[TMP_REG_2]));
+ }
break;
}
break;
@@ -806,9 +811,13 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
case BPF_LD | BPF_IMM | BPF_DW: /* dst = (u64) imm */
imm64 = ((u64)(u32) insn[i].imm) |
(((u64)(u32) insn[i+1].imm) << 32);
+ tmp_idx = ctx->idx;
+ PPC_LI64(dst_reg, imm64);
+ /* padding to allow full 5 instructions for later patching */
+ for (j = ctx->idx - tmp_idx; j < 5; j++)
+ EMIT(PPC_RAW_NOP());
/* Adjust for two bpf instructions */
addrs[++i] = ctx->idx * 4;
- PPC_LI64(dst_reg, imm64);
break;
/*
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index bef6b1abce70..e78de7050947 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -1326,9 +1326,20 @@ static void power_pmu_disable(struct pmu *pmu)
* Otherwise provide a warning if there is PMI pending, but
* no counter is found overflown.
*/
- if (any_pmc_overflown(cpuhw))
- clear_pmi_irq_pending();
- else
+ if (any_pmc_overflown(cpuhw)) {
+ /*
+ * Since power_pmu_disable runs under local_irq_save, it
+ * could happen that code hits a PMC overflow without PMI
+ * pending in paca. Hence only clear PMI pending if it was
+ * set.
+ *
+ * If a PMI is pending, then MSR[EE] must be disabled (because
+ * the masked PMI handler disabling EE). So it is safe to
+ * call clear_pmi_irq_pending().
+ */
+ if (pmi_irq_pending())
+ clear_pmi_irq_pending();
+ } else
WARN_ON(pmi_irq_pending());
val = mmcra = cpuhw->mmcr.mmcra;
diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c
index 33f973ff9744..e8f15dbb89d0 100644
--- a/arch/s390/hypfs/hypfs_vm.c
+++ b/arch/s390/hypfs/hypfs_vm.c
@@ -20,6 +20,7 @@
static char local_guest[] = " ";
static char all_guests[] = "* ";
+static char *all_groups = all_guests;
static char *guest_query;
struct diag2fc_data {
@@ -62,10 +63,11 @@ static int diag2fc(int size, char* query, void *addr)
memcpy(parm_list.userid, query, NAME_LEN);
ASCEBC(parm_list.userid, NAME_LEN);
- parm_list.addr = (unsigned long) addr ;
+ memcpy(parm_list.aci_grp, all_groups, NAME_LEN);
+ ASCEBC(parm_list.aci_grp, NAME_LEN);
+ parm_list.addr = (unsigned long)addr;
parm_list.size = size;
parm_list.fmt = 0x02;
- memset(parm_list.aci_grp, 0x40, NAME_LEN);
rc = -1;
diag_stat_inc(DIAG_STAT_X2FC);
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index d52d85367bf7..b032e556eeb7 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -33,7 +33,7 @@
#define DEBUGP(fmt , ...)
#endif
-#define PLT_ENTRY_SIZE 20
+#define PLT_ENTRY_SIZE 22
void *module_alloc(unsigned long size)
{
@@ -341,27 +341,26 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
case R_390_PLTOFF32: /* 32 bit offset from GOT to PLT. */
case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */
if (info->plt_initialized == 0) {
- unsigned int insn[5];
- unsigned int *ip = me->core_layout.base +
- me->arch.plt_offset +
- info->plt_offset;
-
- insn[0] = 0x0d10e310; /* basr 1,0 */
- insn[1] = 0x100a0004; /* lg 1,10(1) */
+ unsigned char insn[PLT_ENTRY_SIZE];
+ char *plt_base;
+ char *ip;
+
+ plt_base = me->core_layout.base + me->arch.plt_offset;
+ ip = plt_base + info->plt_offset;
+ *(int *)insn = 0x0d10e310; /* basr 1,0 */
+ *(int *)&insn[4] = 0x100c0004; /* lg 1,12(1) */
if (IS_ENABLED(CONFIG_EXPOLINE) && !nospec_disable) {
- unsigned int *ij;
- ij = me->core_layout.base +
- me->arch.plt_offset +
- me->arch.plt_size - PLT_ENTRY_SIZE;
- insn[2] = 0xa7f40000 + /* j __jump_r1 */
- (unsigned int)(u16)
- (((unsigned long) ij - 8 -
- (unsigned long) ip) / 2);
+ char *jump_r1;
+
+ jump_r1 = plt_base + me->arch.plt_size -
+ PLT_ENTRY_SIZE;
+ /* brcl 0xf,__jump_r1 */
+ *(short *)&insn[8] = 0xc0f4;
+ *(int *)&insn[10] = (jump_r1 - (ip + 8)) / 2;
} else {
- insn[2] = 0x07f10000; /* br %r1 */
+ *(int *)&insn[8] = 0x07f10000; /* br %r1 */
}
- insn[3] = (unsigned int) (val >> 32);
- insn[4] = (unsigned int) val;
+ *(long *)&insn[14] = val;
write(ip, insn, sizeof(insn));
info->plt_initialized = 1;
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index 20f8e1868853..a50f2ff1b00e 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -273,7 +273,14 @@ static int notrace s390_validate_registers(union mci mci, int umode)
/* Validate vector registers */
union ctlreg0 cr0;
- if (!mci.vr) {
+ /*
+ * The vector validity must only be checked if not running a
+ * KVM guest. For KVM guests the machine check is forwarded by
+ * KVM and it is the responsibility of the guest to take
+ * appropriate actions. The host vector or FPU values have been
+ * saved by KVM and will be restored by KVM.
+ */
+ if (!mci.vr && !test_cpu_flag(CIF_MCCK_GUEST)) {
/*
* Vector registers can't be restored. If the kernel
* currently uses vector registers the system is
@@ -316,11 +323,21 @@ static int notrace s390_validate_registers(union mci mci, int umode)
if (cr2.gse) {
if (!mci.gs) {
/*
- * Guarded storage register can't be restored and
- * the current processes uses guarded storage.
- * It has to be terminated.
+ * 2 cases:
+ * - machine check in kernel or userspace
+ * - machine check while running SIE (KVM guest)
+ * For kernel or userspace the userspace values of
+ * guarded storage control can not be recreated, the
+ * process must be terminated.
+ * For SIE the guest values of guarded storage can not
+ * be recreated. This is either due to a bug or due to
+ * GS being disabled in the guest. The guest will be
+ * notified by KVM code and the guests machine check
+ * handling must take care of this. The host values
+ * are saved by KVM and are not affected.
*/
- kill_task = 1;
+ if (!test_cpu_flag(CIF_MCCK_GUEST))
+ kill_task = 1;
} else {
load_gs_cb((struct gs_cb *)mcesa->guarded_storage_save_area);
}
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 1e33c75ffa26..18d825a39032 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -6242,6 +6242,19 @@ __init int intel_pmu_init(void)
pmu->num_counters = x86_pmu.num_counters;
pmu->num_counters_fixed = x86_pmu.num_counters_fixed;
}
+
+ /*
+ * Quirk: For some Alder Lake machine, when all E-cores are disabled in
+ * a BIOS, the leaf 0xA will enumerate all counters of P-cores. However,
+ * the X86_FEATURE_HYBRID_CPU is still set. The above codes will
+ * mistakenly add extra counters for P-cores. Correct the number of
+ * counters here.
+ */
+ if ((pmu->num_counters > 8) || (pmu->num_counters_fixed > 4)) {
+ pmu->num_counters = x86_pmu.num_counters;
+ pmu->num_counters_fixed = x86_pmu.num_counters_fixed;
+ }
+
pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters);
pmu->unconstrained = (struct event_constraint)
__EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1,
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 3660f698fb2a..ed869443efb2 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -5482,7 +5482,7 @@ static struct intel_uncore_type icx_uncore_imc = {
.fixed_ctr_bits = 48,
.fixed_ctr = SNR_IMC_MMIO_PMON_FIXED_CTR,
.fixed_ctl = SNR_IMC_MMIO_PMON_FIXED_CTL,
- .event_descs = hswep_uncore_imc_events,
+ .event_descs = snr_uncore_imc_events,
.perf_ctr = SNR_IMC_MMIO_PMON_CTR0,
.event_ctl = SNR_IMC_MMIO_PMON_CTL0,
.event_mask = SNBEP_PMON_RAW_EVENT_MASK,
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 59fc339ba528..5d3645b325e2 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1497,6 +1497,7 @@ struct kvm_x86_ops {
};
struct kvm_x86_nested_ops {
+ void (*leave_nested)(struct kvm_vcpu *vcpu);
int (*check_events)(struct kvm_vcpu *vcpu);
bool (*hv_timer_pending)(struct kvm_vcpu *vcpu);
void (*triple_fault)(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index fc85eb17cb6d..c757ba7605fb 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -401,7 +401,7 @@ static void threshold_restart_bank(void *_tr)
u32 hi, lo;
/* sysfs write might race against an offline operation */
- if (this_cpu_read(threshold_banks))
+ if (!this_cpu_read(threshold_banks) && !tr->set_lvt_off)
return;
rdmsr(tr->b->address, lo, hi);
diff --git a/arch/x86/kernel/cpu/mce/intel.c b/arch/x86/kernel/cpu/mce/intel.c
index bb9a46a804bf..baafbb37be67 100644
--- a/arch/x86/kernel/cpu/mce/intel.c
+++ b/arch/x86/kernel/cpu/mce/intel.c
@@ -486,6 +486,7 @@ static void intel_ppin_init(struct cpuinfo_x86 *c)
case INTEL_FAM6_BROADWELL_X:
case INTEL_FAM6_SKYLAKE_X:
case INTEL_FAM6_ICELAKE_X:
+ case INTEL_FAM6_ICELAKE_D:
case INTEL_FAM6_SAPPHIRERAPIDS_X:
case INTEL_FAM6_XEON_PHI_KNL:
case INTEL_FAM6_XEON_PHI_KNM:
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index e5e597fc3c86..add8f58d686e 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -113,6 +113,7 @@ static int kvm_cpuid_check_equal(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2
orig = &vcpu->arch.cpuid_entries[i];
if (e2[i].function != orig->function ||
e2[i].index != orig->index ||
+ e2[i].flags != orig->flags ||
e2[i].eax != orig->eax || e2[i].ebx != orig->ebx ||
e2[i].ecx != orig->ecx || e2[i].edx != orig->edx)
return -EINVAL;
@@ -176,10 +177,26 @@ void kvm_update_pv_runtime(struct kvm_vcpu *vcpu)
vcpu->arch.pv_cpuid.features = best->eax;
}
+/*
+ * Calculate guest's supported XCR0 taking into account guest CPUID data and
+ * supported_xcr0 (comprised of host configuration and KVM_SUPPORTED_XCR0).
+ */
+static u64 cpuid_get_supported_xcr0(struct kvm_cpuid_entry2 *entries, int nent)
+{
+ struct kvm_cpuid_entry2 *best;
+
+ best = cpuid_entry2_find(entries, nent, 0xd, 0);
+ if (!best)
+ return 0;
+
+ return (best->eax | ((u64)best->edx << 32)) & supported_xcr0;
+}
+
static void __kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *entries,
int nent)
{
struct kvm_cpuid_entry2 *best;
+ u64 guest_supported_xcr0 = cpuid_get_supported_xcr0(entries, nent);
best = cpuid_entry2_find(entries, nent, 1, 0);
if (best) {
@@ -218,6 +235,21 @@ static void __kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu, struct kvm_cpuid_e
vcpu->arch.ia32_misc_enable_msr &
MSR_IA32_MISC_ENABLE_MWAIT);
}
+
+ /*
+ * Bits 127:0 of the allowed SECS.ATTRIBUTES (CPUID.0x12.0x1) enumerate
+ * the supported XSAVE Feature Request Mask (XFRM), i.e. the enclave's
+ * requested XCR0 value. The enclave's XFRM must be a subset of XCRO
+ * at the time of EENTER, thus adjust the allowed XFRM by the guest's
+ * supported XCR0. Similar to XCR0 handling, FP and SSE are forced to
+ * '1' even on CPUs that don't support XSAVE.
+ */
+ best = cpuid_entry2_find(entries, nent, 0x12, 0x1);
+ if (best) {
+ best->ecx &= guest_supported_xcr0 & 0xffffffff;
+ best->edx &= guest_supported_xcr0 >> 32;
+ best->ecx |= XFEATURE_MASK_FPSSE;
+ }
}
void kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu)
@@ -241,27 +273,8 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
kvm_apic_set_version(vcpu);
}
- best = kvm_find_cpuid_entry(vcpu, 0xD, 0);
- if (!best)
- vcpu->arch.guest_supported_xcr0 = 0;
- else
- vcpu->arch.guest_supported_xcr0 =
- (best->eax | ((u64)best->edx << 32)) & supported_xcr0;
-
- /*
- * Bits 127:0 of the allowed SECS.ATTRIBUTES (CPUID.0x12.0x1) enumerate
- * the supported XSAVE Feature Request Mask (XFRM), i.e. the enclave's
- * requested XCR0 value. The enclave's XFRM must be a subset of XCRO
- * at the time of EENTER, thus adjust the allowed XFRM by the guest's
- * supported XCR0. Similar to XCR0 handling, FP and SSE are forced to
- * '1' even on CPUs that don't support XSAVE.
- */
- best = kvm_find_cpuid_entry(vcpu, 0x12, 0x1);
- if (best) {
- best->ecx &= vcpu->arch.guest_supported_xcr0 & 0xffffffff;
- best->edx &= vcpu->arch.guest_supported_xcr0 >> 32;
- best->ecx |= XFEATURE_MASK_FPSSE;
- }
+ vcpu->arch.guest_supported_xcr0 =
+ cpuid_get_supported_xcr0(vcpu->arch.cpuid_entries, vcpu->arch.cpuid_nent);
kvm_update_pv_runtime(vcpu);
@@ -326,8 +339,14 @@ static int kvm_set_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *e2,
* KVM_SET_CPUID{,2} again. To support this legacy behavior, check
* whether the supplied CPUID data is equal to what's already set.
*/
- if (vcpu->arch.last_vmentry_cpu != -1)
- return kvm_cpuid_check_equal(vcpu, e2, nent);
+ if (vcpu->arch.last_vmentry_cpu != -1) {
+ r = kvm_cpuid_check_equal(vcpu, e2, nent);
+ if (r)
+ return r;
+
+ kvfree(e2);
+ return 0;
+ }
r = kvm_check_cpuid(e2, nent);
if (r)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 7c009867d6f2..e8e383fbe886 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2623,7 +2623,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s)
kvm_apic_set_version(vcpu);
apic_update_ppr(apic);
- hrtimer_cancel(&apic->lapic_timer.timer);
+ cancel_apic_timer(apic);
apic->lapic_timer.expired_tscdeadline = 0;
apic_update_lvtt(apic);
apic_manage_nmi_watchdog(apic, kvm_lapic_get_reg(apic, APIC_LVT0));
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index f8b7bc04b3e7..a67f8bee3adc 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -964,9 +964,9 @@ void svm_free_nested(struct vcpu_svm *svm)
/*
* Forcibly leave nested mode in order to be able to reset the VCPU later on.
*/
-void svm_leave_nested(struct vcpu_svm *svm)
+void svm_leave_nested(struct kvm_vcpu *vcpu)
{
- struct kvm_vcpu *vcpu = &svm->vcpu;
+ struct vcpu_svm *svm = to_svm(vcpu);
if (is_guest_mode(vcpu)) {
svm->nested.nested_run_pending = 0;
@@ -1345,7 +1345,7 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
return -EINVAL;
if (!(kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE)) {
- svm_leave_nested(svm);
+ svm_leave_nested(vcpu);
svm_set_gif(svm, !!(kvm_state->flags & KVM_STATE_NESTED_GIF_SET));
return 0;
}
@@ -1410,7 +1410,7 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
*/
if (is_guest_mode(vcpu))
- svm_leave_nested(svm);
+ svm_leave_nested(vcpu);
else
svm->nested.vmcb02.ptr->save = svm->vmcb01.ptr->save;
@@ -1464,6 +1464,7 @@ static bool svm_get_nested_state_pages(struct kvm_vcpu *vcpu)
}
struct kvm_x86_nested_ops svm_nested_ops = {
+ .leave_nested = svm_leave_nested,
.check_events = svm_check_nested_events,
.triple_fault = nested_svm_triple_fault,
.get_nested_state_pages = svm_get_nested_state_pages,
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 5151efa424ac..3efada37272c 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -290,7 +290,7 @@ int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
if ((old_efer & EFER_SVME) != (efer & EFER_SVME)) {
if (!(efer & EFER_SVME)) {
- svm_leave_nested(svm);
+ svm_leave_nested(vcpu);
svm_set_gif(svm, true);
/* #GP intercept is still needed for vmware backdoor */
if (!enable_vmware_backdoor)
@@ -312,7 +312,11 @@ int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
return ret;
}
- if (svm_gp_erratum_intercept)
+ /*
+ * Never intercept #GP for SEV guests, KVM can't
+ * decrypt guest memory to workaround the erratum.
+ */
+ if (svm_gp_erratum_intercept && !sev_guest(vcpu->kvm))
set_exception_intercept(svm, GP_VECTOR);
}
}
@@ -1238,9 +1242,10 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
* Guest access to VMware backdoor ports could legitimately
* trigger #GP because of TSS I/O permission bitmap.
* We intercept those #GP and allow access to them anyway
- * as VMware does.
+ * as VMware does. Don't intercept #GP for SEV guests as KVM can't
+ * decrypt guest memory to decode the faulting instruction.
*/
- if (enable_vmware_backdoor)
+ if (enable_vmware_backdoor && !sev_guest(vcpu->kvm))
set_exception_intercept(svm, GP_VECTOR);
svm_set_intercept(svm, INTERCEPT_INTR);
@@ -2301,10 +2306,6 @@ static int gp_interception(struct kvm_vcpu *vcpu)
if (error_code)
goto reinject;
- /* All SVM instructions expect page aligned RAX */
- if (svm->vmcb->save.rax & ~PAGE_MASK)
- goto reinject;
-
/* Decode the instruction for usage later */
if (x86_decode_emulated_instruction(vcpu, 0, NULL, 0) != EMULATION_OK)
goto reinject;
@@ -2322,8 +2323,13 @@ static int gp_interception(struct kvm_vcpu *vcpu)
if (!is_guest_mode(vcpu))
return kvm_emulate_instruction(vcpu,
EMULTYPE_VMWARE_GP | EMULTYPE_NO_DECODE);
- } else
+ } else {
+ /* All SVM instructions expect page aligned RAX */
+ if (svm->vmcb->save.rax & ~PAGE_MASK)
+ goto reinject;
+
return emulate_svm_instr(vcpu, opcode);
+ }
reinject:
kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
@@ -4464,8 +4470,13 @@ static bool svm_can_emulate_instruction(struct kvm_vcpu *vcpu, void *insn, int i
bool smep, smap, is_user;
unsigned long cr4;
+ /* Emulation is always possible when KVM has access to all guest state. */
+ if (!sev_guest(vcpu->kvm))
+ return true;
+
/*
- * When the guest is an SEV-ES guest, emulation is not possible.
+ * Emulation is impossible for SEV-ES guests as KVM doesn't have access
+ * to guest register state.
*/
if (sev_es_guest(vcpu->kvm))
return false;
@@ -4513,21 +4524,11 @@ static bool svm_can_emulate_instruction(struct kvm_vcpu *vcpu, void *insn, int i
if (likely(!insn || insn_len))
return true;
- /*
- * If RIP is invalid, go ahead with emulation which will cause an
- * internal error exit.
- */
- if (!kvm_vcpu_gfn_to_memslot(vcpu, kvm_rip_read(vcpu) >> PAGE_SHIFT))
- return true;
-
cr4 = kvm_read_cr4(vcpu);
smep = cr4 & X86_CR4_SMEP;
smap = cr4 & X86_CR4_SMAP;
is_user = svm_get_cpl(vcpu) == 3;
if (smap && (!smep || is_user)) {
- if (!sev_guest(vcpu->kvm))
- return true;
-
pr_err_ratelimited("KVM: SEV Guest triggered AMD Erratum 1096\n");
kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);
}
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 1c7306c370fa..1b460e539926 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -470,7 +470,7 @@ static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
int enter_svm_guest_mode(struct kvm_vcpu *vcpu,
u64 vmcb_gpa, struct vmcb *vmcb12, bool from_vmrun);
-void svm_leave_nested(struct vcpu_svm *svm);
+void svm_leave_nested(struct kvm_vcpu *vcpu);
void svm_free_nested(struct vcpu_svm *svm);
int svm_allocate_nested(struct vcpu_svm *svm);
int nested_svm_vmrun(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
index ba6f99f584ac..09fac0ddac8b 100644
--- a/arch/x86/kvm/vmx/evmcs.c
+++ b/arch/x86/kvm/vmx/evmcs.c
@@ -12,8 +12,6 @@
DEFINE_STATIC_KEY_FALSE(enable_evmcs);
-#if IS_ENABLED(CONFIG_HYPERV)
-
#define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x)
#define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \
{EVMCS1_OFFSET(name), clean_field}
@@ -296,6 +294,7 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
};
const unsigned int nr_evmcs_1_fields = ARRAY_SIZE(vmcs_field_to_evmcs_1);
+#if IS_ENABLED(CONFIG_HYPERV)
__init void evmcs_sanitize_exec_ctrls(struct vmcs_config *vmcs_conf)
{
vmcs_conf->pin_based_exec_ctrl &= ~EVMCS1_UNSUPPORTED_PINCTRL;
diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h
index 16731d2cf231..6255fa716772 100644
--- a/arch/x86/kvm/vmx/evmcs.h
+++ b/arch/x86/kvm/vmx/evmcs.h
@@ -63,8 +63,6 @@ DECLARE_STATIC_KEY_FALSE(enable_evmcs);
#define EVMCS1_UNSUPPORTED_VMENTRY_CTRL (VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
#define EVMCS1_UNSUPPORTED_VMFUNC (VMX_VMFUNC_EPTP_SWITCHING)
-#if IS_ENABLED(CONFIG_HYPERV)
-
struct evmcs_field {
u16 offset;
u16 clean_field;
@@ -73,26 +71,56 @@ struct evmcs_field {
extern const struct evmcs_field vmcs_field_to_evmcs_1[];
extern const unsigned int nr_evmcs_1_fields;
-static __always_inline int get_evmcs_offset(unsigned long field,
- u16 *clean_field)
+static __always_inline int evmcs_field_offset(unsigned long field,
+ u16 *clean_field)
{
unsigned int index = ROL16(field, 6);
const struct evmcs_field *evmcs_field;
- if (unlikely(index >= nr_evmcs_1_fields)) {
- WARN_ONCE(1, "KVM: accessing unsupported EVMCS field %lx\n",
- field);
+ if (unlikely(index >= nr_evmcs_1_fields))
return -ENOENT;
- }
evmcs_field = &vmcs_field_to_evmcs_1[index];
+ /*
+ * Use offset=0 to detect holes in eVMCS. This offset belongs to
+ * 'revision_id' but this field has no encoding and is supposed to
+ * be accessed directly.
+ */
+ if (unlikely(!evmcs_field->offset))
+ return -ENOENT;
+
if (clean_field)
*clean_field = evmcs_field->clean_field;
return evmcs_field->offset;
}
+static inline u64 evmcs_read_any(struct hv_enlightened_vmcs *evmcs,
+ unsigned long field, u16 offset)
+{
+ /*
+ * vmcs12_read_any() doesn't care whether the supplied structure
+ * is 'struct vmcs12' or 'struct hv_enlightened_vmcs' as it takes
+ * the exact offset of the required field, use it for convenience
+ * here.
+ */
+ return vmcs12_read_any((void *)evmcs, field, offset);
+}
+
+#if IS_ENABLED(CONFIG_HYPERV)
+
+static __always_inline int get_evmcs_offset(unsigned long field,
+ u16 *clean_field)
+{
+ int offset = evmcs_field_offset(field, clean_field);
+
+ WARN_ONCE(offset < 0, "KVM: accessing unsupported EVMCS field %lx\n",
+ field);
+
+ return offset;
+}
+
static __always_inline void evmcs_write64(unsigned long field, u64 value)
{
u16 clean_field;
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 9c941535f78c..c605c2c01394 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -7,6 +7,7 @@
#include <asm/mmu_context.h>
#include "cpuid.h"
+#include "evmcs.h"
#include "hyperv.h"
#include "mmu.h"
#include "nested.h"
@@ -5074,27 +5075,49 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
if (!nested_vmx_check_permission(vcpu))
return 1;
- /*
- * In VMX non-root operation, when the VMCS-link pointer is INVALID_GPA,
- * any VMREAD sets the ALU flags for VMfailInvalid.
- */
- if (vmx->nested.current_vmptr == INVALID_GPA ||
- (is_guest_mode(vcpu) &&
- get_vmcs12(vcpu)->vmcs_link_pointer == INVALID_GPA))
- return nested_vmx_failInvalid(vcpu);
-
/* Decode instruction info and find the field to read */
field = kvm_register_read(vcpu, (((instr_info) >> 28) & 0xf));
- offset = vmcs_field_to_offset(field);
- if (offset < 0)
- return nested_vmx_fail(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
+ if (!evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)) {
+ /*
+ * In VMX non-root operation, when the VMCS-link pointer is INVALID_GPA,
+ * any VMREAD sets the ALU flags for VMfailInvalid.
+ */
+ if (vmx->nested.current_vmptr == INVALID_GPA ||
+ (is_guest_mode(vcpu) &&
+ get_vmcs12(vcpu)->vmcs_link_pointer == INVALID_GPA))
+ return nested_vmx_failInvalid(vcpu);
- if (!is_guest_mode(vcpu) && is_vmcs12_ext_field(field))
- copy_vmcs02_to_vmcs12_rare(vcpu, vmcs12);
+ offset = get_vmcs12_field_offset(field);
+ if (offset < 0)
+ return nested_vmx_fail(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
+
+ if (!is_guest_mode(vcpu) && is_vmcs12_ext_field(field))
+ copy_vmcs02_to_vmcs12_rare(vcpu, vmcs12);
+
+ /* Read the field, zero-extended to a u64 value */
+ value = vmcs12_read_any(vmcs12, field, offset);
+ } else {
+ /*
+ * Hyper-V TLFS (as of 6.0b) explicitly states, that while an
+ * enlightened VMCS is active VMREAD/VMWRITE instructions are
+ * unsupported. Unfortunately, certain versions of Windows 11
+ * don't comply with this requirement which is not enforced in
+ * genuine Hyper-V. Allow VMREAD from an enlightened VMCS as a
+ * workaround, as misbehaving guests will panic on VM-Fail.
+ * Note, enlightened VMCS is incompatible with shadow VMCS so
+ * all VMREADs from L2 should go to L1.
+ */
+ if (WARN_ON_ONCE(is_guest_mode(vcpu)))
+ return nested_vmx_failInvalid(vcpu);
- /* Read the field, zero-extended to a u64 value */
- value = vmcs12_read_any(vmcs12, field, offset);
+ offset = evmcs_field_offset(field, NULL);
+ if (offset < 0)
+ return nested_vmx_fail(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
+
+ /* Read the field, zero-extended to a u64 value */
+ value = evmcs_read_any(vmx->nested.hv_evmcs, field, offset);
+ }
/*
* Now copy part of this value to register or memory, as requested.
@@ -5189,7 +5212,7 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
field = kvm_register_read(vcpu, (((instr_info) >> 28) & 0xf));
- offset = vmcs_field_to_offset(field);
+ offset = get_vmcs12_field_offset(field);
if (offset < 0)
return nested_vmx_fail(vcpu, VMXERR_UNSUPPORTED_VMCS_COMPONENT);
@@ -6435,7 +6458,7 @@ static u64 nested_vmx_calc_vmcs_enum_msr(void)
max_idx = 0;
for (i = 0; i < nr_vmcs12_fields; i++) {
/* The vmcs12 table is very, very sparsely populated. */
- if (!vmcs_field_to_offset_table[i])
+ if (!vmcs12_field_offsets[i])
continue;
idx = vmcs_field_index(VMCS12_IDX_TO_ENC(i));
@@ -6744,6 +6767,7 @@ __init int nested_vmx_hardware_setup(int (*exit_handlers[])(struct kvm_vcpu *))
}
struct kvm_x86_nested_ops vmx_nested_ops = {
+ .leave_nested = vmx_leave_nested,
.check_events = vmx_check_nested_events,
.hv_timer_pending = nested_vmx_preemption_timer_pending,
.triple_fault = nested_vmx_triple_fault,
diff --git a/arch/x86/kvm/vmx/vmcs12.c b/arch/x86/kvm/vmx/vmcs12.c
index cab6ba7a5005..2251b60920f8 100644
--- a/arch/x86/kvm/vmx/vmcs12.c
+++ b/arch/x86/kvm/vmx/vmcs12.c
@@ -8,7 +8,7 @@
FIELD(number, name), \
[ROL16(number##_HIGH, 6)] = VMCS12_OFFSET(name) + sizeof(u32)
-const unsigned short vmcs_field_to_offset_table[] = {
+const unsigned short vmcs12_field_offsets[] = {
FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id),
FIELD(POSTED_INTR_NV, posted_intr_nv),
FIELD(GUEST_ES_SELECTOR, guest_es_selector),
@@ -151,4 +151,4 @@ const unsigned short vmcs_field_to_offset_table[] = {
FIELD(HOST_RSP, host_rsp),
FIELD(HOST_RIP, host_rip),
};
-const unsigned int nr_vmcs12_fields = ARRAY_SIZE(vmcs_field_to_offset_table);
+const unsigned int nr_vmcs12_fields = ARRAY_SIZE(vmcs12_field_offsets);
diff --git a/arch/x86/kvm/vmx/vmcs12.h b/arch/x86/kvm/vmx/vmcs12.h
index 2a45f026ee11..746129ddd5ae 100644
--- a/arch/x86/kvm/vmx/vmcs12.h
+++ b/arch/x86/kvm/vmx/vmcs12.h
@@ -361,10 +361,10 @@ static inline void vmx_check_vmcs12_offsets(void)
CHECK_OFFSET(guest_pml_index, 996);
}
-extern const unsigned short vmcs_field_to_offset_table[];
+extern const unsigned short vmcs12_field_offsets[];
extern const unsigned int nr_vmcs12_fields;
-static inline short vmcs_field_to_offset(unsigned long field)
+static inline short get_vmcs12_field_offset(unsigned long field)
{
unsigned short offset;
unsigned int index;
@@ -377,7 +377,7 @@ static inline short vmcs_field_to_offset(unsigned long field)
return -ENOENT;
index = array_index_nospec(index, nr_vmcs12_fields);
- offset = vmcs_field_to_offset_table[index];
+ offset = vmcs12_field_offsets[index];
if (offset == 0)
return -ENOENT;
return offset;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4acf43111e9c..0714fa0e7ede 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3508,6 +3508,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
if (data & ~supported_xss)
return 1;
vcpu->arch.ia32_xss = data;
+ kvm_update_cpuid_runtime(vcpu);
break;
case MSR_SMI_COUNT:
if (!msr_info->host_initiated)
@@ -4784,8 +4785,10 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
vcpu->arch.apic->sipi_vector = events->sipi_vector;
if (events->flags & KVM_VCPUEVENT_VALID_SMM) {
- if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm)
+ if (!!(vcpu->arch.hflags & HF_SMM_MASK) != events->smi.smm) {
+ kvm_x86_ops.nested_ops->leave_nested(vcpu);
kvm_smm_changed(vcpu, events->smi.smm);
+ }
vcpu->arch.smi_pending = events->smi.pending;
@@ -11062,7 +11065,8 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
vcpu->arch.msr_misc_features_enables = 0;
- vcpu->arch.xcr0 = XFEATURE_MASK_FP;
+ __kvm_set_xcr(vcpu, 0, XFEATURE_MASK_FP);
+ __kvm_set_msr(vcpu, MSR_IA32_XSS, 0, true);
}
/* All GPRs except RDX (handled below) are zeroed on RESET/INIT. */
@@ -11079,8 +11083,6 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
cpuid_0x1 = kvm_find_cpuid_entry(vcpu, 1, 0);
kvm_rdx_write(vcpu, cpuid_0x1 ? cpuid_0x1->eax : 0x600);
- vcpu->arch.ia32_xss = 0;
-
static_call(kvm_x86_vcpu_reset)(vcpu, init_event);
kvm_set_rflags(vcpu, X86_EFLAGS_FIXED);
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 2edd86649468..615a76d70019 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -353,8 +353,8 @@ static void pci_fixup_video(struct pci_dev *pdev)
}
}
}
-DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
+DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
static const struct dmi_system_id msi_k8t_dmi_table[] = {
diff --git a/block/bio.c b/block/bio.c
index 15ab0d6d1c06..99cad261ec53 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -569,7 +569,8 @@ static void bio_truncate(struct bio *bio, unsigned new_size)
offset = new_size - done;
else
offset = 0;
- zero_user(bv.bv_page, offset, bv.bv_len - offset);
+ zero_user(bv.bv_page, bv.bv_offset + offset,
+ bv.bv_len - offset);
truncated = true;
}
done += bv.bv_len;
diff --git a/block/blk-core.c b/block/blk-core.c
index 1378d084c770..9ebeb9bdf583 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1258,20 +1258,32 @@ void __blk_account_io_start(struct request *rq)
}
static unsigned long __part_start_io_acct(struct block_device *part,
- unsigned int sectors, unsigned int op)
+ unsigned int sectors, unsigned int op,
+ unsigned long start_time)
{
const int sgrp = op_stat_group(op);
- unsigned long now = READ_ONCE(jiffies);
part_stat_lock();
- update_io_ticks(part, now, false);
+ update_io_ticks(part, start_time, false);
part_stat_inc(part, ios[sgrp]);
part_stat_add(part, sectors[sgrp], sectors);
part_stat_local_inc(part, in_flight[op_is_write(op)]);
part_stat_unlock();
- return now;
+ return start_time;
+}
+
+/**
+ * bio_start_io_acct_time - start I/O accounting for bio based drivers
+ * @bio: bio to start account for
+ * @start_time: start time that should be passed back to bio_end_io_acct().
+ */
+void bio_start_io_acct_time(struct bio *bio, unsigned long start_time)
+{
+ __part_start_io_acct(bio->bi_bdev, bio_sectors(bio),
+ bio_op(bio), start_time);
}
+EXPORT_SYMBOL_GPL(bio_start_io_acct_time);
/**
* bio_start_io_acct - start I/O accounting for bio based drivers
@@ -1281,14 +1293,15 @@ static unsigned long __part_start_io_acct(struct block_device *part,
*/
unsigned long bio_start_io_acct(struct bio *bio)
{
- return __part_start_io_acct(bio->bi_bdev, bio_sectors(bio), bio_op(bio));
+ return __part_start_io_acct(bio->bi_bdev, bio_sectors(bio),
+ bio_op(bio), jiffies);
}
EXPORT_SYMBOL_GPL(bio_start_io_acct);
unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
unsigned int op)
{
- return __part_start_io_acct(disk->part0, sectors, op);
+ return __part_start_io_acct(disk->part0, sectors, op, jiffies);
}
EXPORT_SYMBOL(disk_start_io_acct);
diff --git a/block/blk-ia-ranges.c b/block/blk-ia-ranges.c
index b925f3db3ab7..18c68d8b9138 100644
--- a/block/blk-ia-ranges.c
+++ b/block/blk-ia-ranges.c
@@ -144,7 +144,7 @@ int disk_register_independent_access_ranges(struct gendisk *disk,
&q->kobj, "%s", "independent_access_ranges");
if (ret) {
q->ia_ranges = NULL;
- kfree(iars);
+ kobject_put(&iars->kobj);
return ret;
}
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index ae79c3300129..7de3f5b6e8d0 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -722,6 +722,13 @@ void __init efi_systab_report_header(const efi_table_hdr_t *systab_hdr,
systab_hdr->revision >> 16,
systab_hdr->revision & 0xffff,
vendor);
+
+ if (IS_ENABLED(CONFIG_X86_64) &&
+ systab_hdr->revision > EFI_1_10_SYSTEM_TABLE_REVISION &&
+ !strcmp(vendor, "Apple")) {
+ pr_info("Apple Mac detected, using EFI v1.10 runtime services only\n");
+ efi.runtime_version = EFI_1_10_SYSTEM_TABLE_REVISION;
+ }
}
static __initdata char memory_type_name[][13] = {
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index 2363fee9211c..9cc556013d08 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -119,9 +119,9 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
if (image->image_base != _text)
efi_err("FIRMWARE BUG: efi_loaded_image_t::image_base has bogus value\n");
- if (!IS_ALIGNED((u64)_text, EFI_KIMG_ALIGN))
- efi_err("FIRMWARE BUG: kernel image not aligned on %ldk boundary\n",
- EFI_KIMG_ALIGN >> 10);
+ if (!IS_ALIGNED((u64)_text, SEGMENT_ALIGN))
+ efi_err("FIRMWARE BUG: kernel image not aligned on %dk boundary\n",
+ SEGMENT_ALIGN >> 10);
kernel_size = _edata - _text;
kernel_memsize = kernel_size + (_end - _edata);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index fab8faf34560..f999638a04ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1523,6 +1523,87 @@ static const u16 amdgpu_unsupported_pciidlist[] = {
0x99A0,
0x99A2,
0x99A4,
+ /* radeon secondary ids */
+ 0x3171,
+ 0x3e70,
+ 0x4164,
+ 0x4165,
+ 0x4166,
+ 0x4168,
+ 0x4170,
+ 0x4171,
+ 0x4172,
+ 0x4173,
+ 0x496e,
+ 0x4a69,
+ 0x4a6a,
+ 0x4a6b,
+ 0x4a70,
+ 0x4a74,
+ 0x4b69,
+ 0x4b6b,
+ 0x4b6c,
+ 0x4c6e,
+ 0x4e64,
+ 0x4e65,
+ 0x4e66,
+ 0x4e67,
+ 0x4e68,
+ 0x4e69,
+ 0x4e6a,
+ 0x4e71,
+ 0x4f73,
+ 0x5569,
+ 0x556b,
+ 0x556d,
+ 0x556f,
+ 0x5571,
+ 0x5854,
+ 0x5874,
+ 0x5940,
+ 0x5941,
+ 0x5b72,
+ 0x5b73,
+ 0x5b74,
+ 0x5b75,
+ 0x5d44,
+ 0x5d45,
+ 0x5d6d,
+ 0x5d6f,
+ 0x5d72,
+ 0x5d77,
+ 0x5e6b,
+ 0x5e6d,
+ 0x7120,
+ 0x7124,
+ 0x7129,
+ 0x712e,
+ 0x712f,
+ 0x7162,
+ 0x7163,
+ 0x7166,
+ 0x7167,
+ 0x7172,
+ 0x7173,
+ 0x71a0,
+ 0x71a1,
+ 0x71a3,
+ 0x71a7,
+ 0x71bb,
+ 0x71e0,
+ 0x71e1,
+ 0x71e2,
+ 0x71e6,
+ 0x71e7,
+ 0x71f2,
+ 0x7269,
+ 0x726b,
+ 0x726e,
+ 0x72a0,
+ 0x72a8,
+ 0x72b1,
+ 0x72b3,
+ 0x793f,
};
static const struct pci_device_id pciidlist[] = {
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 6b248cd2a461..b9c740756378 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -503,7 +503,6 @@ static void dcn_bw_calc_rq_dlg_ttu(
//input[in_idx].dout.output_standard;
/*todo: soc->sr_enter_plus_exit_time??*/
- dlg_sys_param->t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep;
dml1_rq_dlg_get_rq_params(dml, rq_param, &input->pipe.src);
dml1_extract_rq_regs(dml, rq_regs, rq_param);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index 98852b586295..b52046bb78dc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -1880,7 +1880,6 @@ noinline bool dcn30_internal_validate_bw(
dc->res_pool->funcs->update_soc_for_wm_a(dc, context);
pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, fast_validate);
- DC_FP_START();
if (!pipe_cnt) {
out = true;
goto validate_out;
@@ -2106,7 +2105,6 @@ noinline bool dcn30_internal_validate_bw(
out = false;
validate_out:
- DC_FP_END();
return out;
}
@@ -2308,7 +2306,9 @@ bool dcn30_validate_bandwidth(struct dc *dc,
BW_VAL_TRACE_COUNT();
+ DC_FP_START();
out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);
+ DC_FP_END();
if (pipe_cnt == 0)
goto validate_out;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index e472b729d869..9254da120e61 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1391,6 +1391,17 @@ static void set_wm_ranges(
pp_smu->nv_funcs.set_wm_ranges(&pp_smu->nv_funcs.pp_smu, &ranges);
}
+static void dcn301_calculate_wm_and_dlg(
+ struct dc *dc, struct dc_state *context,
+ display_e2e_pipe_params_st *pipes,
+ int pipe_cnt,
+ int vlevel)
+{
+ DC_FP_START();
+ dcn301_calculate_wm_and_dlg_fp(dc, context, pipes, pipe_cnt, vlevel);
+ DC_FP_END();
+}
+
static struct resource_funcs dcn301_res_pool_funcs = {
.destroy = dcn301_destroy_resource_pool,
.link_enc_create = dcn301_link_encoder_create,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
index 246071c72f6b..548cdef8a8ad 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
@@ -1576,8 +1576,6 @@ void dml20_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
e2e_pipe_param,
num_pipes);
- dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
- / dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
index 015e7f2c0b16..0fc9f3e3ffae 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
@@ -1577,8 +1577,6 @@ void dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
e2e_pipe_param,
num_pipes);
- dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
- / dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
index 46c433c0bcb0..c2807ab8bf5a 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
@@ -1688,8 +1688,6 @@ void dml21_rq_dlg_get_dlg_reg(
mode_lib,
e2e_pipe_param,
num_pipes);
- dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
- / dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
index aef854270054..747167083dea 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
@@ -1858,8 +1858,6 @@ void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
e2e_pipe_param,
num_pipes);
- dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
- / dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
index 94c32832a0e7..0a7a33864973 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
@@ -327,7 +327,7 @@ void dcn301_fpu_init_soc_bounding_box(struct bp_soc_bb_info bb_info)
dcn3_01_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10;
}
-void dcn301_calculate_wm_and_dlg(struct dc *dc,
+void dcn301_calculate_wm_and_dlg_fp(struct dc *dc,
struct dc_state *context,
display_e2e_pipe_params_st *pipes,
int pipe_cnt,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h
index fc7065d17842..774b0fdfc80b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.h
@@ -34,7 +34,7 @@ void dcn301_fpu_set_wm_ranges(int i,
void dcn301_fpu_init_soc_bounding_box(struct bp_soc_bb_info bb_info);
-void dcn301_calculate_wm_and_dlg(struct dc *dc,
+void dcn301_calculate_wm_and_dlg_fp(struct dc *dc,
struct dc_state *context,
display_e2e_pipe_params_st *pipes,
int pipe_cnt,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
index d46a2733024c..8f9f1d607f7c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
@@ -546,7 +546,6 @@ struct _vcs_dpi_display_dlg_sys_params_st {
double t_sr_wm_us;
double t_extra_us;
double mem_trip_us;
- double t_srx_delay_us;
double deepsleep_dcfclk_mhz;
double total_flip_bw;
unsigned int total_flip_bytes;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
index 71ea503cb32f..412e75eb4704 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.c
@@ -141,9 +141,6 @@ void print__dlg_sys_params_st(struct display_mode_lib *mode_lib, const struct _v
dml_print("DML_RQ_DLG_CALC: t_urg_wm_us = %3.2f\n", dlg_sys_param->t_urg_wm_us);
dml_print("DML_RQ_DLG_CALC: t_sr_wm_us = %3.2f\n", dlg_sys_param->t_sr_wm_us);
dml_print("DML_RQ_DLG_CALC: t_extra_us = %3.2f\n", dlg_sys_param->t_extra_us);
- dml_print(
- "DML_RQ_DLG_CALC: t_srx_delay_us = %3.2f\n",
- dlg_sys_param->t_srx_delay_us);
dml_print(
"DML_RQ_DLG_CALC: deepsleep_dcfclk_mhz = %3.2f\n",
dlg_sys_param->deepsleep_dcfclk_mhz);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
index 59dc2c5b58dd..3df559c591f8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
@@ -1331,10 +1331,6 @@ void dml1_rq_dlg_get_dlg_params(
if (dual_plane)
DTRACE("DLG: %s: swath_height_c = %d", __func__, swath_height_c);
- DTRACE(
- "DLG: %s: t_srx_delay_us = %3.2f",
- __func__,
- (double) dlg_sys_param->t_srx_delay_us);
DTRACE("DLG: %s: line_time_in_us = %3.2f", __func__, (double) line_time_in_us);
DTRACE("DLG: %s: vupdate_offset = %d", __func__, vupdate_offset);
DTRACE("DLG: %s: vupdate_width = %d", __func__, vupdate_width);
diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index d9eb353a4bf0..dbe1cc620f6e 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -282,8 +282,6 @@ static const struct ast_vbios_enhtable res_1360x768[] = {
};
static const struct ast_vbios_enhtable res_1600x900[] = {
- {1800, 1600, 24, 80, 1000, 900, 1, 3, VCLK108, /* 60Hz */
- (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 3, 0x3A },
{1760, 1600, 48, 32, 926, 900, 3, 5, VCLK97_75, /* 60Hz CVT RB */
(SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo |
AST2500PreCatchCRT), 60, 1, 0x3A },
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index ff1416cd609a..a1e4c7905ebb 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1310,8 +1310,10 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
DRM_DEBUG_ATOMIC("checking %p\n", state);
- for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
- requested_crtc |= drm_crtc_mask(crtc);
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+ if (new_crtc_state->enable)
+ requested_crtc |= drm_crtc_mask(crtc);
+ }
for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
ret = drm_atomic_plane_check(old_plane_state, new_plane_state);
@@ -1360,8 +1362,10 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
}
}
- for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
- affected_crtc |= drm_crtc_mask(crtc);
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+ if (new_crtc_state->enable)
+ affected_crtc |= drm_crtc_mask(crtc);
+ }
/*
* For commits that allow modesets drivers can add other CRTCs to the
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 225fa5879ebd..90488ab8c6d8 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -469,8 +469,8 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
return -EINVAL;
}
- if (args->stream_size > SZ_64K || args->nr_relocs > SZ_64K ||
- args->nr_bos > SZ_64K || args->nr_pmrs > 128) {
+ if (args->stream_size > SZ_128K || args->nr_relocs > SZ_128K ||
+ args->nr_bos > SZ_128K || args->nr_pmrs > 128) {
DRM_ERROR("submit arguments out of size limits\n");
return -EINVAL;
}
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 78aad5216a61..a305ff7e8c6f 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1557,6 +1557,8 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu)
for (i = 0; i < gpu->nr_rings; i++)
a6xx_gpu->shadow[i] = 0;
+ gpu->suspend_count++;
+
return 0;
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
index a98e964c3b6f..355894a3b48c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c
@@ -26,9 +26,16 @@ static void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx,
struct dpu_hw_pcc_cfg *cfg)
{
- u32 base = ctx->cap->sblk->pcc.base;
+ u32 base;
- if (!ctx || !base) {
+ if (!ctx) {
+ DRM_ERROR("invalid ctx %pK\n", ctx);
+ return;
+ }
+
+ base = ctx->cap->sblk->pcc.base;
+
+ if (!base) {
DRM_ERROR("invalid ctx %pK pcc base 0x%x\n", ctx, base);
return;
}
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index fc280cc43494..122fadcf7cc1 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -40,7 +40,12 @@ static int dsi_get_phy(struct msm_dsi *msm_dsi)
of_node_put(phy_node);
- if (!phy_pdev || !msm_dsi->phy) {
+ if (!phy_pdev) {
+ DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);
+ return -EPROBE_DEFER;
+ }
+ if (!msm_dsi->phy) {
+ put_device(&phy_pdev->dev);
DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__);
return -EPROBE_DEFER;
}
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 9842e04b5858..baa6af0c3bcc 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -808,12 +808,14 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy,
struct msm_dsi_phy_clk_request *clk_req,
struct msm_dsi_phy_shared_timings *shared_timings)
{
- struct device *dev = &phy->pdev->dev;
+ struct device *dev;
int ret;
if (!phy || !phy->cfg->ops.enable)
return -EINVAL;
+ dev = &phy->pdev->dev;
+
ret = dsi_phy_enable_resource(phy);
if (ret) {
DRM_DEV_ERROR(dev, "%s: resource enable failed, %d\n",
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 75b64e6ae035..a439794a32e8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -95,10 +95,15 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi)
of_node_put(phy_node);
- if (!phy_pdev || !hdmi->phy) {
+ if (!phy_pdev) {
DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n");
return -EPROBE_DEFER;
}
+ if (!hdmi->phy) {
+ DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n");
+ put_device(&phy_pdev->dev);
+ return -EPROBE_DEFER;
+ }
hdmi->phy_dev = get_device(&phy_pdev->dev);
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 892c04365239..f04a2337da00 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -466,7 +466,7 @@ static int msm_init_vram(struct drm_device *dev)
of_node_put(node);
if (ret)
return ret;
- size = r.end - r.start;
+ size = r.end - r.start + 1;
DRM_INFO("using VRAM carveout: %lx@%pa\n", size, &r.start);
/* if we have no IOMMU, then we need to use carveout allocator.
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index ca873a3b98db..f2d05bff4245 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1660,6 +1660,13 @@ static int balloon_connect_vsp(struct hv_device *dev)
unsigned long t;
int ret;
+ /*
+ * max_pkt_size should be large enough for one vmbus packet header plus
+ * our receive buffer size. Hyper-V sends messages up to
+ * HV_HYP_PAGE_SIZE bytes long on balloon channel.
+ */
+ dev->channel->max_pkt_size = HV_HYP_PAGE_SIZE * 2;
+
ret = vmbus_open(dev->channel, dm_ring_size, dm_ring_size, NULL, 0,
balloon_onchannelcallback, dev);
if (ret)
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index d519aca4a9d6..fb6d14d213a1 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -662,6 +662,9 @@ static int adt7470_fan_write(struct device *dev, u32 attr, int channel, long val
struct adt7470_data *data = dev_get_drvdata(dev);
int err;
+ if (val <= 0)
+ return -EINVAL;
+
val = FAN_RPM_TO_PERIOD(val);
val = clamp_val(val, 1, 65534);
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 74019dff2550..1c9493c70813 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -373,7 +373,7 @@ static const struct lm90_params lm90_params[] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
| LM90_HAVE_BROKEN_ALERT | LM90_HAVE_CRIT,
.alert_alarms = 0x7c,
- .max_convrate = 8,
+ .max_convrate = 7,
},
[lm86] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
@@ -394,12 +394,13 @@ static const struct lm90_params lm90_params[] = {
.max_convrate = 9,
},
[max6646] = {
- .flags = LM90_HAVE_CRIT,
+ .flags = LM90_HAVE_CRIT | LM90_HAVE_BROKEN_ALERT,
.alert_alarms = 0x7c,
.max_convrate = 6,
.reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
},
[max6654] = {
+ .flags = LM90_HAVE_BROKEN_ALERT,
.alert_alarms = 0x7c,
.max_convrate = 7,
.reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
@@ -418,7 +419,7 @@ static const struct lm90_params lm90_params[] = {
},
[max6680] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_CRIT
- | LM90_HAVE_CRIT_ALRM_SWP,
+ | LM90_HAVE_CRIT_ALRM_SWP | LM90_HAVE_BROKEN_ALERT,
.alert_alarms = 0x7c,
.max_convrate = 7,
},
@@ -848,7 +849,7 @@ static int lm90_update_device(struct device *dev)
* Re-enable ALERT# output if it was originally enabled and
* relevant alarms are all clear
*/
- if (!(data->config_orig & 0x80) &&
+ if ((client->irq || !(data->config_orig & 0x80)) &&
!(data->alarms & data->alert_alarms)) {
if (data->config & 0x80) {
dev_dbg(&client->dev, "Re-enabling ALERT#\n");
@@ -1807,22 +1808,22 @@ static bool lm90_is_tripped(struct i2c_client *client, u16 *status)
if (st & LM90_STATUS_LLOW)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_min, 0);
+ hwmon_temp_min_alarm, 0);
if (st & LM90_STATUS_RLOW)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_min, 1);
+ hwmon_temp_min_alarm, 1);
if (st2 & MAX6696_STATUS2_R2LOW)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_min, 2);
+ hwmon_temp_min_alarm, 2);
if (st & LM90_STATUS_LHIGH)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_max, 0);
+ hwmon_temp_max_alarm, 0);
if (st & LM90_STATUS_RHIGH)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_max, 1);
+ hwmon_temp_max_alarm, 1);
if (st2 & MAX6696_STATUS2_R2HIGH)
hwmon_notify_event(data->hwmon_dev, hwmon_temp,
- hwmon_temp_max, 2);
+ hwmon_temp_max_alarm, 2);
return true;
}
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 57ce8633a725..3496a823e4d4 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -1175,7 +1175,7 @@ static inline u8 in_to_reg(u32 val, u8 nr)
struct nct6775_data {
int addr; /* IO base of hw monitor block */
- int sioreg; /* SIO register address */
+ struct nct6775_sio_data *sio_data;
enum kinds kind;
const char *name;
@@ -3561,7 +3561,7 @@ clear_caseopen(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct nct6775_data *data = dev_get_drvdata(dev);
- struct nct6775_sio_data *sio_data = dev_get_platdata(dev);
+ struct nct6775_sio_data *sio_data = data->sio_data;
int nr = to_sensor_dev_attr(attr)->index - INTRUSION_ALARM_BASE;
unsigned long val;
u8 reg;
@@ -3969,7 +3969,7 @@ static int nct6775_probe(struct platform_device *pdev)
return -ENOMEM;
data->kind = sio_data->kind;
- data->sioreg = sio_data->sioreg;
+ data->sio_data = sio_data;
if (sio_data->access == access_direct) {
data->addr = res->start;
diff --git a/drivers/irqchip/irq-realtek-rtl.c b/drivers/irqchip/irq-realtek-rtl.c
index fd9f275592d2..568614edd88f 100644
--- a/drivers/irqchip/irq-realtek-rtl.c
+++ b/drivers/irqchip/irq-realtek-rtl.c
@@ -62,7 +62,7 @@ static struct irq_chip realtek_ictl_irq = {
static int intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
{
- irq_set_chip_and_handler(hw, &realtek_ictl_irq, handle_level_irq);
+ irq_set_chip_and_handler(irq, &realtek_ictl_irq, handle_level_irq);
return 0;
}
@@ -95,7 +95,8 @@ static void realtek_irq_dispatch(struct irq_desc *desc)
* SoC interrupts are cascaded to MIPS CPU interrupts according to the
* interrupt-map in the device tree. Each SoC interrupt gets 4 bits for
* the CPU interrupt in an Interrupt Routing Register. Max 32 SoC interrupts
- * thus go into 4 IRRs.
+ * thus go into 4 IRRs. A routing value of '0' means the interrupt is left
+ * disconnected. Routing values {1..15} connect to output lines {0..14}.
*/
static int __init map_interrupts(struct device_node *node, struct irq_domain *domain)
{
@@ -134,7 +135,7 @@ static int __init map_interrupts(struct device_node *node, struct irq_domain *do
of_node_put(cpu_ictl);
cpu_int = be32_to_cpup(imap + 2);
- if (cpu_int > 7)
+ if (cpu_int > 7 || cpu_int < 2)
return -EINVAL;
if (!(mips_irqs_set & BIT(cpu_int))) {
@@ -143,7 +144,8 @@ static int __init map_interrupts(struct device_node *node, struct irq_domain *do
mips_irqs_set |= BIT(cpu_int);
}
- regs[(soc_int * 4) / 32] |= cpu_int << (soc_int * 4) % 32;
+ /* Use routing values (1..6) for CPU interrupts (2..7) */
+ regs[(soc_int * 4) / 32] |= (cpu_int - 1) << (soc_int * 4) % 32;
imap += 3;
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index b93fcc91176e..bd814fa0b721 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -489,7 +489,7 @@ static void start_io_acct(struct dm_io *io)
struct mapped_device *md = io->md;
struct bio *bio = io->orig_bio;
- io->start_time = bio_start_io_acct(bio);
+ bio_start_io_acct_time(bio, io->start_time);
if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
bio->bi_iter.bi_sector, bio_sectors(bio),
@@ -535,7 +535,7 @@ static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio)
io->md = md;
spin_lock_init(&io->endio_lock);
- start_io_acct(io);
+ io->start_time = jiffies;
return io;
}
@@ -1510,9 +1510,6 @@ static void init_clone_info(struct clone_info *ci, struct mapped_device *md,
ci->sector = bio->bi_iter.bi_sector;
}
-#define __dm_part_stat_sub(part, field, subnd) \
- (part_stat_get(part, field) -= (subnd))
-
/*
* Entry point to split a bio into clones and submit them to the targets.
*/
@@ -1548,23 +1545,12 @@ static void __split_and_process_bio(struct mapped_device *md,
GFP_NOIO, &md->queue->bio_split);
ci.io->orig_bio = b;
- /*
- * Adjust IO stats for each split, otherwise upon queue
- * reentry there will be redundant IO accounting.
- * NOTE: this is a stop-gap fix, a proper fix involves
- * significant refactoring of DM core's bio splitting
- * (by eliminating DM's splitting and just using bio_split)
- */
- part_stat_lock();
- __dm_part_stat_sub(dm_disk(md)->part0,
- sectors[op_stat_group(bio_op(bio))], ci.sector_count);
- part_stat_unlock();
-
bio_chain(b, bio);
trace_block_split(b, bio->bi_iter.bi_sector);
submit_bio_noacct(bio);
}
}
+ start_io_acct(ci.io);
/* drop the extra reference count */
dm_io_dec_pending(ci.io, errno_to_blk_status(error));
diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c
index cb293c50acb8..5b9271b9c326 100644
--- a/drivers/mtd/nand/raw/mpc5121_nfc.c
+++ b/drivers/mtd/nand/raw/mpc5121_nfc.c
@@ -291,7 +291,6 @@ static int ads5121_chipselect_init(struct mtd_info *mtd)
/* Control chips select signal on ADS5121 board */
static void ads5121_select_chip(struct nand_chip *nand, int chip)
{
- struct mtd_info *mtd = nand_to_mtd(nand);
struct mpc5121_nfc_prv *prv = nand_get_controller_data(nand);
u8 v;
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 30d94cb43113..755f4a59f784 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -336,6 +336,9 @@ m_can_fifo_read(struct m_can_classdev *cdev,
u32 addr_offset = cdev->mcfg[MRAM_RXF0].off + fgi * RXF0_ELEMENT_SIZE +
offset;
+ if (val_count == 0)
+ return 0;
+
return cdev->ops->read_fifo(cdev, addr_offset, val, val_count);
}
@@ -346,6 +349,9 @@ m_can_fifo_write(struct m_can_classdev *cdev,
u32 addr_offset = cdev->mcfg[MRAM_TXB].off + fpi * TXB_ELEMENT_SIZE +
offset;
+ if (val_count == 0)
+ return 0;
+
return cdev->ops->write_fifo(cdev, addr_offset, val, val_count);
}
diff --git a/drivers/net/can/m_can/tcan4x5x-regmap.c b/drivers/net/can/m_can/tcan4x5x-regmap.c
index ca80dbaf7a3f..26e212b8ca7a 100644
--- a/drivers/net/can/m_can/tcan4x5x-regmap.c
+++ b/drivers/net/can/m_can/tcan4x5x-regmap.c
@@ -12,7 +12,7 @@
#define TCAN4X5X_SPI_INSTRUCTION_WRITE (0x61 << 24)
#define TCAN4X5X_SPI_INSTRUCTION_READ (0x41 << 24)
-#define TCAN4X5X_MAX_REGISTER 0x8ffc
+#define TCAN4X5X_MAX_REGISTER 0x87fc
static int tcan4x5x_regmap_gather_write(void *context,
const void *reg, size_t reg_len,
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
index b719f72281c4..3d469073fbc5 100644
--- a/drivers/net/ethernet/google/gve/gve.h
+++ b/drivers/net/ethernet/google/gve/gve.h
@@ -830,7 +830,7 @@ static inline bool gve_is_gqi(struct gve_priv *priv)
/* buffers */
int gve_alloc_page(struct gve_priv *priv, struct device *dev,
struct page **page, dma_addr_t *dma,
- enum dma_data_direction);
+ enum dma_data_direction, gfp_t gfp_flags);
void gve_free_page(struct device *dev, struct page *page, dma_addr_t dma,
enum dma_data_direction);
/* tx handling */
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index 59b66f679e46..28e2d4d8ed7c 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -752,9 +752,9 @@ static void gve_free_rings(struct gve_priv *priv)
int gve_alloc_page(struct gve_priv *priv, struct device *dev,
struct page **page, dma_addr_t *dma,
- enum dma_data_direction dir)
+ enum dma_data_direction dir, gfp_t gfp_flags)
{
- *page = alloc_page(GFP_KERNEL);
+ *page = alloc_page(gfp_flags);
if (!*page) {
priv->page_alloc_fail++;
return -ENOMEM;
@@ -797,7 +797,7 @@ static int gve_alloc_queue_page_list(struct gve_priv *priv, u32 id,
for (i = 0; i < pages; i++) {
err = gve_alloc_page(priv, &priv->pdev->dev, &qpl->pages[i],
&qpl->page_buses[i],
- gve_qpl_dma_dir(priv, id));
+ gve_qpl_dma_dir(priv, id), GFP_KERNEL);
/* caller handles clean up */
if (err)
return -ENOMEM;
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 3d04b5aff331..04a08904305a 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -86,7 +86,8 @@ static int gve_rx_alloc_buffer(struct gve_priv *priv, struct device *dev,
dma_addr_t dma;
int err;
- err = gve_alloc_page(priv, dev, &page, &dma, DMA_FROM_DEVICE);
+ err = gve_alloc_page(priv, dev, &page, &dma, DMA_FROM_DEVICE,
+ GFP_ATOMIC);
if (err)
return err;
diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
index beb8bb079023..8c939628e2d8 100644
--- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c
+++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
@@ -157,7 +157,7 @@ static int gve_alloc_page_dqo(struct gve_priv *priv,
int err;
err = gve_alloc_page(priv, &priv->pdev->dev, &buf_state->page_info.page,
- &buf_state->addr, DMA_FROM_DEVICE);
+ &buf_state->addr, DMA_FROM_DEVICE, GFP_KERNEL);
if (err)
return err;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 41afaeea881b..70491e07b0ff 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -2496,8 +2496,7 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data)
break;
}
- if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER)
- hclgevf_enable_vector(&hdev->misc_vector, true);
+ hclgevf_enable_vector(&hdev->misc_vector, true);
return IRQ_HANDLED;
}
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 0bb3911dd014..682a440151a8 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2598,6 +2598,7 @@ static void __ibmvnic_reset(struct work_struct *work)
struct ibmvnic_rwi *rwi;
unsigned long flags;
u32 reset_state;
+ int num_fails = 0;
int rc = 0;
adapter = container_of(work, struct ibmvnic_adapter, ibmvnic_reset);
@@ -2651,11 +2652,23 @@ static void __ibmvnic_reset(struct work_struct *work)
rc = do_hard_reset(adapter, rwi, reset_state);
rtnl_unlock();
}
- if (rc) {
- /* give backing device time to settle down */
+ if (rc)
+ num_fails++;
+ else
+ num_fails = 0;
+
+ /* If auto-priority-failover is enabled we can get
+ * back to back failovers during resets, resulting
+ * in at least two failed resets (from high-priority
+ * backing device to low-priority one and then back)
+ * If resets continue to fail beyond that, give the
+ * adapter some time to settle down before retrying.
+ */
+ if (num_fails >= 3) {
netdev_dbg(adapter->netdev,
- "[S:%s] Hard reset failed, waiting 60 secs\n",
- adapter_state_to_string(adapter->state));
+ "[S:%s] Hard reset failed %d times, waiting 60 secs\n",
+ adapter_state_to_string(adapter->state),
+ num_fails);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(60 * HZ);
}
@@ -3836,11 +3849,25 @@ static void send_request_cap(struct ibmvnic_adapter *adapter, int retry)
struct device *dev = &adapter->vdev->dev;
union ibmvnic_crq crq;
int max_entries;
+ int cap_reqs;
+
+ /* We send out 6 or 7 REQUEST_CAPABILITY CRQs below (depending on
+ * the PROMISC flag). Initialize this count upfront. When the tasklet
+ * receives a response to all of these, it will send the next protocol
+ * message (QUERY_IP_OFFLOAD).
+ */
+ if (!(adapter->netdev->flags & IFF_PROMISC) ||
+ adapter->promisc_supported)
+ cap_reqs = 7;
+ else
+ cap_reqs = 6;
if (!retry) {
/* Sub-CRQ entries are 32 byte long */
int entries_page = 4 * PAGE_SIZE / (sizeof(u64) * 4);
+ atomic_set(&adapter->running_cap_crqs, cap_reqs);
+
if (adapter->min_tx_entries_per_subcrq > entries_page ||
adapter->min_rx_add_entries_per_subcrq > entries_page) {
dev_err(dev, "Fatal, invalid entries per sub-crq\n");
@@ -3901,44 +3928,45 @@ static void send_request_cap(struct ibmvnic_adapter *adapter, int retry)
adapter->opt_rx_comp_queues;
adapter->req_rx_add_queues = adapter->max_rx_add_queues;
+ } else {
+ atomic_add(cap_reqs, &adapter->running_cap_crqs);
}
-
memset(&crq, 0, sizeof(crq));
crq.request_capability.first = IBMVNIC_CRQ_CMD;
crq.request_capability.cmd = REQUEST_CAPABILITY;
crq.request_capability.capability = cpu_to_be16(REQ_TX_QUEUES);
crq.request_capability.number = cpu_to_be64(adapter->req_tx_queues);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
crq.request_capability.capability = cpu_to_be16(REQ_RX_QUEUES);
crq.request_capability.number = cpu_to_be64(adapter->req_rx_queues);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
crq.request_capability.capability = cpu_to_be16(REQ_RX_ADD_QUEUES);
crq.request_capability.number = cpu_to_be64(adapter->req_rx_add_queues);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
crq.request_capability.capability =
cpu_to_be16(REQ_TX_ENTRIES_PER_SUBCRQ);
crq.request_capability.number =
cpu_to_be64(adapter->req_tx_entries_per_subcrq);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
crq.request_capability.capability =
cpu_to_be16(REQ_RX_ADD_ENTRIES_PER_SUBCRQ);
crq.request_capability.number =
cpu_to_be64(adapter->req_rx_add_entries_per_subcrq);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
crq.request_capability.capability = cpu_to_be16(REQ_MTU);
crq.request_capability.number = cpu_to_be64(adapter->req_mtu);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
if (adapter->netdev->flags & IFF_PROMISC) {
@@ -3946,16 +3974,21 @@ static void send_request_cap(struct ibmvnic_adapter *adapter, int retry)
crq.request_capability.capability =
cpu_to_be16(PROMISC_REQUESTED);
crq.request_capability.number = cpu_to_be64(1);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
}
} else {
crq.request_capability.capability =
cpu_to_be16(PROMISC_REQUESTED);
crq.request_capability.number = cpu_to_be64(0);
- atomic_inc(&adapter->running_cap_crqs);
+ cap_reqs--;
ibmvnic_send_crq(adapter, &crq);
}
+
+ /* Keep at end to catch any discrepancy between expected and actual
+ * CRQs sent.
+ */
+ WARN_ON(cap_reqs != 0);
}
static int pending_scrq(struct ibmvnic_adapter *adapter,
@@ -4349,118 +4382,132 @@ static void send_query_map(struct ibmvnic_adapter *adapter)
static void send_query_cap(struct ibmvnic_adapter *adapter)
{
union ibmvnic_crq crq;
+ int cap_reqs;
+
+ /* We send out 25 QUERY_CAPABILITY CRQs below. Initialize this count
+ * upfront. When the tasklet receives a response to all of these, it
+ * can send out the next protocol messaage (REQUEST_CAPABILITY).
+ */
+ cap_reqs = 25;
+
+ atomic_set(&adapter->running_cap_crqs, cap_reqs);
- atomic_set(&adapter->running_cap_crqs, 0);
memset(&crq, 0, sizeof(crq));
crq.query_capability.first = IBMVNIC_CRQ_CMD;
crq.query_capability.cmd = QUERY_CAPABILITY;
crq.query_capability.capability = cpu_to_be16(MIN_TX_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MIN_RX_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MIN_RX_ADD_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_TX_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_RX_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_RX_ADD_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(MIN_TX_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(MIN_RX_ADD_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(MAX_TX_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(MAX_RX_ADD_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(TCP_IP_OFFLOAD);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(PROMISC_SUPPORTED);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MIN_MTU);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_MTU);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_MULTICAST_FILTERS);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(VLAN_HEADER_INSERTION);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(RX_VLAN_HEADER_INSERTION);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(MAX_TX_SG_ENTRIES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(RX_SG_SUPPORTED);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(OPT_TX_COMP_SUB_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(OPT_RX_COMP_QUEUES);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(OPT_RX_BUFADD_Q_PER_RX_COMP_Q);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(OPT_TX_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability =
cpu_to_be16(OPT_RXBA_ENTRIES_PER_SUBCRQ);
- atomic_inc(&adapter->running_cap_crqs);
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
crq.query_capability.capability = cpu_to_be16(TX_RX_DESC_REQ);
- atomic_inc(&adapter->running_cap_crqs);
+
ibmvnic_send_crq(adapter, &crq);
+ cap_reqs--;
+
+ /* Keep at end to catch any discrepancy between expected and actual
+ * CRQs sent.
+ */
+ WARN_ON(cap_reqs != 0);
}
static void send_query_ip_offload(struct ibmvnic_adapter *adapter)
@@ -4764,6 +4811,8 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq,
char *name;
atomic_dec(&adapter->running_cap_crqs);
+ netdev_dbg(adapter->netdev, "Outstanding request-caps: %d\n",
+ atomic_read(&adapter->running_cap_crqs));
switch (be16_to_cpu(crq->request_capability_rsp.capability)) {
case REQ_TX_QUEUES:
req_value = &adapter->req_tx_queues;
@@ -5442,12 +5491,6 @@ static void ibmvnic_tasklet(struct tasklet_struct *t)
ibmvnic_handle_crq(crq, adapter);
crq->generic.first = 0;
}
-
- /* remain in tasklet until all
- * capabilities responses are received
- */
- if (!adapter->wait_capability)
- done = true;
}
/* if capabilities CRQ's were sent in this tasklet, the following
* tasklet must wait until all responses are received
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 4d939af0a626..2e02cc68cd3f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -174,7 +174,6 @@ enum i40e_interrupt_policy {
struct i40e_lump_tracking {
u16 num_entries;
- u16 search_hint;
u16 list[0];
#define I40E_PILE_VALID_BIT 0x8000
#define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
@@ -848,12 +847,12 @@ struct i40e_vsi {
struct rtnl_link_stats64 net_stats_offsets;
struct i40e_eth_stats eth_stats;
struct i40e_eth_stats eth_stats_offsets;
- u32 tx_restart;
- u32 tx_busy;
+ u64 tx_restart;
+ u64 tx_busy;
u64 tx_linearize;
u64 tx_force_wb;
- u32 rx_buf_failed;
- u32 rx_page_failed;
+ u64 rx_buf_failed;
+ u64 rx_page_failed;
/* These are containers of ring pointers, allocated at run-time */
struct i40e_ring **rx_rings;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 2c1b1da1220e..1e57cc8c47d7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -240,7 +240,7 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
(unsigned long int)vsi->net_stats_offsets.rx_compressed,
(unsigned long int)vsi->net_stats_offsets.tx_compressed);
dev_info(&pf->pdev->dev,
- " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
+ " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
vsi->tx_restart, vsi->tx_busy,
vsi->rx_buf_failed, vsi->rx_page_failed);
rcu_read_lock();
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 61afc220fc6c..f605c0205e4e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -196,10 +196,6 @@ int i40e_free_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem)
* @id: an owner id to stick on the items assigned
*
* Returns the base item index of the lump, or negative for error
- *
- * The search_hint trick and lack of advanced fit-finding only work
- * because we're highly likely to have all the same size lump requests.
- * Linear search time and any fragmentation should be minimal.
**/
static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
u16 needed, u16 id)
@@ -214,8 +210,21 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
return -EINVAL;
}
- /* start the linear search with an imperfect hint */
- i = pile->search_hint;
+ /* Allocate last queue in the pile for FDIR VSI queue
+ * so it doesn't fragment the qp_pile
+ */
+ if (pile == pf->qp_pile && pf->vsi[id]->type == I40E_VSI_FDIR) {
+ if (pile->list[pile->num_entries - 1] & I40E_PILE_VALID_BIT) {
+ dev_err(&pf->pdev->dev,
+ "Cannot allocate queue %d for I40E_VSI_FDIR\n",
+ pile->num_entries - 1);
+ return -ENOMEM;
+ }
+ pile->list[pile->num_entries - 1] = id | I40E_PILE_VALID_BIT;
+ return pile->num_entries - 1;
+ }
+
+ i = 0;
while (i < pile->num_entries) {
/* skip already allocated entries */
if (pile->list[i] & I40E_PILE_VALID_BIT) {
@@ -234,7 +243,6 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
for (j = 0; j < needed; j++)
pile->list[i+j] = id | I40E_PILE_VALID_BIT;
ret = i;
- pile->search_hint = i + j;
break;
}
@@ -257,7 +265,7 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id)
{
int valid_id = (id | I40E_PILE_VALID_BIT);
int count = 0;
- int i;
+ u16 i;
if (!pile || index >= pile->num_entries)
return -EINVAL;
@@ -269,8 +277,6 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id)
count++;
}
- if (count && index < pile->search_hint)
- pile->search_hint = index;
return count;
}
@@ -772,9 +778,9 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi)
struct rtnl_link_stats64 *ns; /* netdev stats */
struct i40e_eth_stats *oes;
struct i40e_eth_stats *es; /* device's eth stats */
- u32 tx_restart, tx_busy;
+ u64 tx_restart, tx_busy;
struct i40e_ring *p;
- u32 rx_page, rx_buf;
+ u64 rx_page, rx_buf;
u64 bytes, packets;
unsigned int start;
u64 tx_linearize;
@@ -10574,15 +10580,9 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired)
}
i40e_get_oem_version(&pf->hw);
- if (test_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state) &&
- ((hw->aq.fw_maj_ver == 4 && hw->aq.fw_min_ver <= 33) ||
- hw->aq.fw_maj_ver < 4) && hw->mac.type == I40E_MAC_XL710) {
- /* The following delay is necessary for 4.33 firmware and older
- * to recover after EMP reset. 200 ms should suffice but we
- * put here 300 ms to be sure that FW is ready to operate
- * after reset.
- */
- mdelay(300);
+ if (test_and_clear_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state)) {
+ /* The following delay is necessary for firmware update. */
+ mdelay(1000);
}
/* re-verify the eeprom if we just had an EMP reset */
@@ -11792,7 +11792,6 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf)
return -ENOMEM;
pf->irq_pile->num_entries = vectors;
- pf->irq_pile->search_hint = 0;
/* track first vector for misc interrupts, ignore return */
(void)i40e_get_lump(pf, pf->irq_pile, 1, I40E_PILE_VALID_BIT - 1);
@@ -12595,7 +12594,6 @@ static int i40e_sw_init(struct i40e_pf *pf)
goto sw_init_done;
}
pf->qp_pile->num_entries = pf->hw.func_caps.num_tx_qp;
- pf->qp_pile->search_hint = 0;
pf->tx_timeout_recovery_level = 1;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_register.h b/drivers/net/ethernet/intel/i40e/i40e_register.h
index 8d0588a27a05..1908eed4fa5e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_register.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_register.h
@@ -413,6 +413,9 @@
#define I40E_VFINT_DYN_CTLN(_INTVF) (0x00024800 + ((_INTVF) * 4)) /* _i=0...511 */ /* Reset: VFR */
#define I40E_VFINT_DYN_CTLN_CLEARPBA_SHIFT 1
#define I40E_VFINT_DYN_CTLN_CLEARPBA_MASK I40E_MASK(0x1, I40E_VFINT_DYN_CTLN_CLEARPBA_SHIFT)
+#define I40E_VFINT_ICR0_ADMINQ_SHIFT 30
+#define I40E_VFINT_ICR0_ADMINQ_MASK I40E_MASK(0x1, I40E_VFINT_ICR0_ADMINQ_SHIFT)
+#define I40E_VFINT_ICR0_ENA(_VF) (0x0002C000 + ((_VF) * 4)) /* _i=0...127 */ /* Reset: CORER */
#define I40E_VPINT_AEQCTL(_VF) (0x0002B800 + ((_VF) * 4)) /* _i=0...127 */ /* Reset: CORER */
#define I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT 0
#define I40E_VPINT_AEQCTL_ITR_INDX_SHIFT 11
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 048f1678ab8a..c6f643e54c4f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1376,6 +1376,32 @@ static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf,
return aq_ret;
}
+/**
+ * i40e_sync_vfr_reset
+ * @hw: pointer to hw struct
+ * @vf_id: VF identifier
+ *
+ * Before trigger hardware reset, we need to know if no other process has
+ * reserved the hardware for any reset operations. This check is done by
+ * examining the status of the RSTAT1 register used to signal the reset.
+ **/
+static int i40e_sync_vfr_reset(struct i40e_hw *hw, int vf_id)
+{
+ u32 reg;
+ int i;
+
+ for (i = 0; i < I40E_VFR_WAIT_COUNT; i++) {
+ reg = rd32(hw, I40E_VFINT_ICR0_ENA(vf_id)) &
+ I40E_VFINT_ICR0_ADMINQ_MASK;
+ if (reg)
+ return 0;
+
+ usleep_range(100, 200);
+ }
+
+ return -EAGAIN;
+}
+
/**
* i40e_trigger_vf_reset
* @vf: pointer to the VF structure
@@ -1390,9 +1416,11 @@ static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
struct i40e_pf *pf = vf->pf;
struct i40e_hw *hw = &pf->hw;
u32 reg, reg_idx, bit_idx;
+ bool vf_active;
+ u32 radq;
/* warn the VF */
- clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
+ vf_active = test_and_clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states);
/* Disable VF's configuration API during reset. The flag is re-enabled
* in i40e_alloc_vf_res(), when it's safe again to access VF's VSI.
@@ -1406,7 +1434,19 @@ static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr)
* just need to clean up, so don't hit the VFRTRIG register.
*/
if (!flr) {
- /* reset VF using VPGEN_VFRTRIG reg */
+ /* Sync VFR reset before trigger next one */
+ radq = rd32(hw, I40E_VFINT_ICR0_ENA(vf->vf_id)) &
+ I40E_VFINT_ICR0_ADMINQ_MASK;
+ if (vf_active && !radq)
+ /* waiting for finish reset by virtual driver */
+ if (i40e_sync_vfr_reset(hw, vf->vf_id))
+ dev_info(&pf->pdev->dev,
+ "Reset VF %d never finished\n",
+ vf->vf_id);
+
+ /* Reset VF using VPGEN_VFRTRIG reg. It is also setting
+ * in progress state in rstat1 register.
+ */
reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
@@ -2617,6 +2657,59 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg)
aq_ret);
}
+/**
+ * i40e_check_enough_queue - find big enough queue number
+ * @vf: pointer to the VF info
+ * @needed: the number of items needed
+ *
+ * Returns the base item index of the queue, or negative for error
+ **/
+static int i40e_check_enough_queue(struct i40e_vf *vf, u16 needed)
+{
+ unsigned int i, cur_queues, more, pool_size;
+ struct i40e_lump_tracking *pile;
+ struct i40e_pf *pf = vf->pf;
+ struct i40e_vsi *vsi;
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+ cur_queues = vsi->alloc_queue_pairs;
+
+ /* if current allocated queues are enough for need */
+ if (cur_queues >= needed)
+ return vsi->base_queue;
+
+ pile = pf->qp_pile;
+ if (cur_queues > 0) {
+ /* if the allocated queues are not zero
+ * just check if there are enough queues for more
+ * behind the allocated queues.
+ */
+ more = needed - cur_queues;
+ for (i = vsi->base_queue + cur_queues;
+ i < pile->num_entries; i++) {
+ if (pile->list[i] & I40E_PILE_VALID_BIT)
+ break;
+
+ if (more-- == 1)
+ /* there is enough */
+ return vsi->base_queue;
+ }
+ }
+
+ pool_size = 0;
+ for (i = 0; i < pile->num_entries; i++) {
+ if (pile->list[i] & I40E_PILE_VALID_BIT) {
+ pool_size = 0;
+ continue;
+ }
+ if (needed <= ++pool_size)
+ /* there is enough */
+ return i;
+ }
+
+ return -ENOMEM;
+}
+
/**
* i40e_vc_request_queues_msg
* @vf: pointer to the VF info
@@ -2651,6 +2744,12 @@ static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg)
req_pairs - cur_pairs,
pf->queues_left);
vfres->num_queue_pairs = pf->queues_left + cur_pairs;
+ } else if (i40e_check_enough_queue(vf, req_pairs) < 0) {
+ dev_warn(&pf->pdev->dev,
+ "VF %d requested %d more queues, but there is not enough for it.\n",
+ vf->vf_id,
+ req_pairs - cur_pairs);
+ vfres->num_queue_pairs = cur_pairs;
} else {
/* successful request */
vf->num_req_queues = req_pairs;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
index 49575a640a84..03c42fd0fea1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
@@ -19,6 +19,7 @@
#define I40E_MAX_VF_PROMISC_FLAGS 3
#define I40E_VF_STATE_WAIT_COUNT 20
+#define I40E_VFR_WAIT_COUNT 100
/* Various queue ctrls */
enum i40e_queue_ctrl {
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 186d00a9ab35..3631d612aaca 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -1570,6 +1570,8 @@ static struct mac_ops cgx_mac_ops = {
.mac_enadis_pause_frm = cgx_lmac_enadis_pause_frm,
.mac_pause_frm_config = cgx_lmac_pause_frm_config,
.mac_enadis_ptp_config = cgx_lmac_ptp_config,
+ .mac_rx_tx_enable = cgx_lmac_rx_tx_enable,
+ .mac_tx_enable = cgx_lmac_tx_enable,
};
static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h b/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h
index fc6e7423cbd8..b33e7d1d0851 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/lmac_common.h
@@ -107,6 +107,9 @@ struct mac_ops {
void (*mac_enadis_ptp_config)(void *cgxd,
int lmac_id,
bool enable);
+
+ int (*mac_rx_tx_enable)(void *cgxd, int lmac_id, bool enable);
+ int (*mac_tx_enable)(void *cgxd, int lmac_id, bool enable);
};
struct cgx {
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index 4e79e918a161..58e2aeebc14f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -732,6 +732,7 @@ enum nix_af_status {
NIX_AF_ERR_BANDPROF_INVAL_REQ = -428,
NIX_AF_ERR_CQ_CTX_WRITE_ERR = -429,
NIX_AF_ERR_AQ_CTX_RETRY_WRITE = -430,
+ NIX_AF_ERR_LINK_CREDITS = -431,
};
/* For NIX RX vtag action */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
index 0fe7ad35e36f..4180376fa676 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc_profile.h
@@ -185,7 +185,6 @@ enum npc_kpu_parser_state {
NPC_S_KPU2_QINQ,
NPC_S_KPU2_ETAG,
NPC_S_KPU2_EXDSA,
- NPC_S_KPU2_NGIO,
NPC_S_KPU2_CPT_CTAG,
NPC_S_KPU2_CPT_QINQ,
NPC_S_KPU3_CTAG,
@@ -212,6 +211,7 @@ enum npc_kpu_parser_state {
NPC_S_KPU5_NSH,
NPC_S_KPU5_CPT_IP,
NPC_S_KPU5_CPT_IP6,
+ NPC_S_KPU5_NGIO,
NPC_S_KPU6_IP6_EXT,
NPC_S_KPU6_IP6_HOP_DEST,
NPC_S_KPU6_IP6_ROUT,
@@ -1120,15 +1120,6 @@ static struct npc_kpu_profile_cam kpu1_cam_entries[] = {
0x0000,
0x0000,
},
- {
- NPC_S_KPU1_ETHER, 0xff,
- NPC_ETYPE_CTAG,
- 0xffff,
- NPC_ETYPE_NGIO,
- 0xffff,
- 0x0000,
- 0x0000,
- },
{
NPC_S_KPU1_ETHER, 0xff,
NPC_ETYPE_CTAG,
@@ -1966,6 +1957,15 @@ static struct npc_kpu_profile_cam kpu2_cam_entries[] = {
0x0000,
0x0000,
},
+ {
+ NPC_S_KPU2_CTAG, 0xff,
+ NPC_ETYPE_NGIO,
+ 0xffff,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ },
{
NPC_S_KPU2_CTAG, 0xff,
NPC_ETYPE_PPPOE,
@@ -2749,15 +2749,6 @@ static struct npc_kpu_profile_cam kpu2_cam_entries[] = {
0x0000,
0x0000,
},
- {
- NPC_S_KPU2_NGIO, 0xff,
- 0x0000,
- 0x0000,
- 0x0000,
- 0x0000,
- 0x0000,
- 0x0000,
- },
{
NPC_S_KPU2_CPT_CTAG, 0xff,
NPC_ETYPE_IP,
@@ -5089,6 +5080,15 @@ static struct npc_kpu_profile_cam kpu5_cam_entries[] = {
0x0000,
0x0000,
},
+ {
+ NPC_S_KPU5_NGIO, 0xff,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ 0x0000,
+ },
{
NPC_S_NA, 0X00,
0x0000,
@@ -8422,14 +8422,6 @@ static struct npc_kpu_profile_action kpu1_action_entries[] = {
0,
0, 0, 0, 0,
},
- {
- NPC_ERRLEV_RE, NPC_EC_NOERR,
- 8, 12, 0, 0, 0,
- NPC_S_KPU2_NGIO, 12, 1,
- NPC_LID_LA, NPC_LT_LA_ETHER,
- 0,
- 0, 0, 0, 0,
- },
{
NPC_ERRLEV_RE, NPC_EC_NOERR,
8, 12, 0, 0, 0,
@@ -9194,6 +9186,14 @@ static struct npc_kpu_profile_action kpu2_action_entries[] = {
0,
0, 0, 0, 0,
},
+ {
+ NPC_ERRLEV_RE, NPC_EC_NOERR,
+ 0, 0, 0, 2, 0,
+ NPC_S_KPU5_NGIO, 6, 1,
+ NPC_LID_LB, NPC_LT_LB_CTAG,
+ 0,
+ 0, 0, 0, 0,
+ },
{
NPC_ERRLEV_RE, NPC_EC_NOERR,
8, 0, 6, 2, 0,
@@ -9890,14 +9890,6 @@ static struct npc_kpu_profile_action kpu2_action_entries[] = {
NPC_F_LB_U_UNK_ETYPE | NPC_F_LB_L_EXDSA,
0, 0, 0, 0,
},
- {
- NPC_ERRLEV_RE, NPC_EC_NOERR,
- 0, 0, 0, 0, 1,
- NPC_S_NA, 0, 1,
- NPC_LID_LC, NPC_LT_LC_NGIO,
- 0,
- 0, 0, 0, 0,
- },
{
NPC_ERRLEV_RE, NPC_EC_NOERR,
8, 0, 6, 2, 0,
@@ -11973,6 +11965,14 @@ static struct npc_kpu_profile_action kpu5_action_entries[] = {
0,
0, 0, 0, 0,
},
+ {
+ NPC_ERRLEV_RE, NPC_EC_NOERR,
+ 0, 0, 0, 0, 1,
+ NPC_S_NA, 0, 1,
+ NPC_LID_LC, NPC_LT_LC_NGIO,
+ 0,
+ 0, 0, 0, 0,
+ },
{
NPC_ERRLEV_LC, NPC_EC_UNK,
0, 0, 0, 0, 1,
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
index e695fa0e82a9..9ea2f6ac38ec 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
@@ -30,6 +30,8 @@ static struct mac_ops rpm_mac_ops = {
.mac_enadis_pause_frm = rpm_lmac_enadis_pause_frm,
.mac_pause_frm_config = rpm_lmac_pause_frm_config,
.mac_enadis_ptp_config = rpm_lmac_ptp_config,
+ .mac_rx_tx_enable = rpm_lmac_rx_tx_enable,
+ .mac_tx_enable = rpm_lmac_tx_enable,
};
struct mac_ops *rpm_get_mac_ops(void)
@@ -54,6 +56,43 @@ int rpm_get_nr_lmacs(void *rpmd)
return hweight8(rpm_read(rpm, 0, CGXX_CMRX_RX_LMACS) & 0xFULL);
}
+int rpm_lmac_tx_enable(void *rpmd, int lmac_id, bool enable)
+{
+ rpm_t *rpm = rpmd;
+ u64 cfg, last;
+
+ if (!is_lmac_valid(rpm, lmac_id))
+ return -ENODEV;
+
+ cfg = rpm_read(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG);
+ last = cfg;
+ if (enable)
+ cfg |= RPM_TX_EN;
+ else
+ cfg &= ~(RPM_TX_EN);
+
+ if (cfg != last)
+ rpm_write(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG, cfg);
+ return !!(last & RPM_TX_EN);
+}
+
+int rpm_lmac_rx_tx_enable(void *rpmd, int lmac_id, bool enable)
+{
+ rpm_t *rpm = rpmd;
+ u64 cfg;
+
+ if (!is_lmac_valid(rpm, lmac_id))
+ return -ENODEV;
+
+ cfg = rpm_read(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG);
+ if (enable)
+ cfg |= RPM_RX_EN | RPM_TX_EN;
+ else
+ cfg &= ~(RPM_RX_EN | RPM_TX_EN);
+ rpm_write(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG, cfg);
+ return 0;
+}
+
void rpm_lmac_enadis_rx_pause_fwding(void *rpmd, int lmac_id, bool enable)
{
rpm_t *rpm = rpmd;
@@ -252,23 +291,20 @@ int rpm_lmac_internal_loopback(void *rpmd, int lmac_id, bool enable)
if (!rpm || lmac_id >= rpm->lmac_count)
return -ENODEV;
lmac_type = rpm->mac_ops->get_lmac_type(rpm, lmac_id);
- if (lmac_type == LMAC_MODE_100G_R) {
- cfg = rpm_read(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1);
-
- if (enable)
- cfg |= RPMX_MTI_PCS_LBK;
- else
- cfg &= ~RPMX_MTI_PCS_LBK;
- rpm_write(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1, cfg);
- } else {
- cfg = rpm_read(rpm, lmac_id, RPMX_MTI_LPCSX_CONTROL1);
- if (enable)
- cfg |= RPMX_MTI_PCS_LBK;
- else
- cfg &= ~RPMX_MTI_PCS_LBK;
- rpm_write(rpm, lmac_id, RPMX_MTI_LPCSX_CONTROL1, cfg);
+
+ if (lmac_type == LMAC_MODE_QSGMII || lmac_type == LMAC_MODE_SGMII) {
+ dev_err(&rpm->pdev->dev, "loopback not supported for LPC mode\n");
+ return 0;
}
+ cfg = rpm_read(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1);
+
+ if (enable)
+ cfg |= RPMX_MTI_PCS_LBK;
+ else
+ cfg &= ~RPMX_MTI_PCS_LBK;
+ rpm_write(rpm, lmac_id, RPMX_MTI_PCS100X_CONTROL1, cfg);
+
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
index 57c8a687b488..ff580311edd0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.h
@@ -43,6 +43,8 @@
#define RPMX_MTI_STAT_DATA_HI_CDC 0x10038
#define RPM_LMAC_FWI 0xa
+#define RPM_TX_EN BIT_ULL(0)
+#define RPM_RX_EN BIT_ULL(1)
/* Function Declarations */
int rpm_get_nr_lmacs(void *rpmd);
@@ -57,4 +59,6 @@ int rpm_lmac_enadis_pause_frm(void *rpmd, int lmac_id, u8 tx_pause,
int rpm_get_tx_stats(void *rpmd, int lmac_id, int idx, u64 *tx_stat);
int rpm_get_rx_stats(void *rpmd, int lmac_id, int idx, u64 *rx_stat);
void rpm_lmac_ptp_config(void *rpmd, int lmac_id, bool enable);
+int rpm_lmac_rx_tx_enable(void *rpmd, int lmac_id, bool enable);
+int rpm_lmac_tx_enable(void *rpmd, int lmac_id, bool enable);
#endif /* RPM_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 3ca6b942ebe2..54e1b27a7dfe 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -520,8 +520,11 @@ static void rvu_block_reset(struct rvu *rvu, int blkaddr, u64 rst_reg)
rvu_write64(rvu, blkaddr, rst_reg, BIT_ULL(0));
err = rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true);
- if (err)
- dev_err(rvu->dev, "HW block:%d reset failed\n", blkaddr);
+ if (err) {
+ dev_err(rvu->dev, "HW block:%d reset timeout retrying again\n", blkaddr);
+ while (rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true) == -EBUSY)
+ ;
+ }
}
static void rvu_reset_all_blocks(struct rvu *rvu)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 66e45d733824..5ed94cfb47d2 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -806,6 +806,7 @@ bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature);
u32 rvu_cgx_get_fifolen(struct rvu *rvu);
void *rvu_first_cgx_pdata(struct rvu *rvu);
int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id);
+int rvu_cgx_config_tx(void *cgxd, int lmac_id, bool enable);
int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf,
int type);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 2ca182a4ce82..8a7ac5a8b821 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -441,16 +441,26 @@ void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable)
int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start)
{
int pf = rvu_get_pf(pcifunc);
+ struct mac_ops *mac_ops;
u8 cgx_id, lmac_id;
+ void *cgxd;
if (!is_cgx_config_permitted(rvu, pcifunc))
return LMAC_AF_ERR_PERM_DENIED;
rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
+ cgxd = rvu_cgx_pdata(cgx_id, rvu);
+ mac_ops = get_mac_ops(cgxd);
+
+ return mac_ops->mac_rx_tx_enable(cgxd, lmac_id, start);
+}
- cgx_lmac_rx_tx_enable(rvu_cgx_pdata(cgx_id, rvu), lmac_id, start);
+int rvu_cgx_config_tx(void *cgxd, int lmac_id, bool enable)
+{
+ struct mac_ops *mac_ops;
- return 0;
+ mac_ops = get_mac_ops(cgxd);
+ return mac_ops->mac_tx_enable(cgxd, lmac_id, enable);
}
void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index a09a507369ac..d1eddb769a41 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -1224,6 +1224,8 @@ static void print_nix_cn10k_sq_ctx(struct seq_file *m,
seq_printf(m, "W3: head_offset\t\t\t%d\nW3: smenq_next_sqb_vld\t\t%d\n\n",
sq_ctx->head_offset, sq_ctx->smenq_next_sqb_vld);
+ seq_printf(m, "W3: smq_next_sq_vld\t\t%d\nW3: smq_pend\t\t\t%d\n",
+ sq_ctx->smq_next_sq_vld, sq_ctx->smq_pend);
seq_printf(m, "W4: next_sqb \t\t\t%llx\n\n", sq_ctx->next_sqb);
seq_printf(m, "W5: tail_sqb \t\t\t%llx\n\n", sq_ctx->tail_sqb);
seq_printf(m, "W6: smenq_sqb \t\t\t%llx\n\n", sq_ctx->smenq_sqb);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index d8b1948aaa0a..97fb61915379 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -512,11 +512,11 @@ static int rvu_nix_get_bpid(struct rvu *rvu, struct nix_bp_cfg_req *req,
cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST);
lmac_chan_cnt = cfg & 0xFF;
- cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
- sdp_chan_cnt = cfg & 0xFFF;
-
cgx_bpid_cnt = hw->cgx_links * lmac_chan_cnt;
lbk_bpid_cnt = hw->lbk_links * ((cfg >> 16) & 0xFF);
+
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
+ sdp_chan_cnt = cfg & 0xFFF;
sdp_bpid_cnt = hw->sdp_links * sdp_chan_cnt;
pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
@@ -2068,8 +2068,8 @@ static int nix_smq_flush(struct rvu *rvu, int blkaddr,
/* enable cgx tx if disabled */
if (is_pf_cgxmapped(rvu, pf)) {
rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
- restore_tx_en = !cgx_lmac_tx_enable(rvu_cgx_pdata(cgx_id, rvu),
- lmac_id, true);
+ restore_tx_en = !rvu_cgx_config_tx(rvu_cgx_pdata(cgx_id, rvu),
+ lmac_id, true);
}
cfg = rvu_read64(rvu, blkaddr, NIX_AF_SMQX_CFG(smq));
@@ -2092,7 +2092,7 @@ static int nix_smq_flush(struct rvu *rvu, int blkaddr,
rvu_cgx_enadis_rx_bp(rvu, pf, true);
/* restore cgx tx state */
if (restore_tx_en)
- cgx_lmac_tx_enable(rvu_cgx_pdata(cgx_id, rvu), lmac_id, false);
+ rvu_cgx_config_tx(rvu_cgx_pdata(cgx_id, rvu), lmac_id, false);
return err;
}
@@ -3878,7 +3878,7 @@ nix_config_link_credits(struct rvu *rvu, int blkaddr, int link,
/* Enable cgx tx if disabled for credits to be back */
if (is_pf_cgxmapped(rvu, pf)) {
rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
- restore_tx_en = !cgx_lmac_tx_enable(rvu_cgx_pdata(cgx_id, rvu),
+ restore_tx_en = !rvu_cgx_config_tx(rvu_cgx_pdata(cgx_id, rvu),
lmac_id, true);
}
@@ -3891,8 +3891,8 @@ nix_config_link_credits(struct rvu *rvu, int blkaddr, int link,
NIX_AF_TL1X_SW_XOFF(schq), BIT_ULL(0));
}
- rc = -EBUSY;
- poll_tmo = jiffies + usecs_to_jiffies(10000);
+ rc = NIX_AF_ERR_LINK_CREDITS;
+ poll_tmo = jiffies + usecs_to_jiffies(200000);
/* Wait for credits to return */
do {
if (time_after(jiffies, poll_tmo))
@@ -3918,7 +3918,7 @@ nix_config_link_credits(struct rvu *rvu, int blkaddr, int link,
/* Restore state of cgx tx */
if (restore_tx_en)
- cgx_lmac_tx_enable(rvu_cgx_pdata(cgx_id, rvu), lmac_id, false);
+ rvu_cgx_config_tx(rvu_cgx_pdata(cgx_id, rvu), lmac_id, false);
mutex_unlock(&rvu->rsrc_lock);
return rc;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index c0005a1feee6..91f86d77cd41 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -402,6 +402,7 @@ static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, int index, struct mcam_entry *entry,
bool *enable)
{
+ struct rvu_npc_mcam_rule *rule;
u16 owner, target_func;
struct rvu_pfvf *pfvf;
u64 rx_action;
@@ -423,6 +424,12 @@ static void npc_fixup_vf_rule(struct rvu *rvu, struct npc_mcam *mcam,
test_bit(NIXLF_INITIALIZED, &pfvf->flags)))
*enable = false;
+ /* fix up not needed for the rules added by user(ntuple filters) */
+ list_for_each_entry(rule, &mcam->mcam_rules, list) {
+ if (rule->entry == index)
+ return;
+ }
+
/* copy VF default entry action to the VF mcam entry */
rx_action = npc_get_default_entry_action(rvu, mcam, blkaddr,
target_func);
@@ -489,8 +496,8 @@ static void npc_config_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
}
/* PF installing VF rule */
- if (intf == NIX_INTF_RX && actindex < mcam->bmap_entries)
- npc_fixup_vf_rule(rvu, mcam, blkaddr, index, entry, &enable);
+ if (is_npc_intf_rx(intf) && actindex < mcam->bmap_entries)
+ npc_fixup_vf_rule(rvu, mcam, blkaddr, actindex, entry, &enable);
/* Set 'action' */
rvu_write64(rvu, blkaddr,
@@ -916,7 +923,8 @@ static void npc_update_vf_flow_entry(struct rvu *rvu, struct npc_mcam *mcam,
int blkaddr, u16 pcifunc, u64 rx_action)
{
int actindex, index, bank, entry;
- bool enable;
+ struct rvu_npc_mcam_rule *rule;
+ bool enable, update;
if (!(pcifunc & RVU_PFVF_FUNC_MASK))
return;
@@ -924,6 +932,14 @@ static void npc_update_vf_flow_entry(struct rvu *rvu, struct npc_mcam *mcam,
mutex_lock(&mcam->lock);
for (index = 0; index < mcam->bmap_entries; index++) {
if (mcam->entry2target_pffunc[index] == pcifunc) {
+ update = true;
+ /* update not needed for the rules added via ntuple filters */
+ list_for_each_entry(rule, &mcam->mcam_rules, list) {
+ if (rule->entry == index)
+ update = false;
+ }
+ if (!update)
+ continue;
bank = npc_get_bank(mcam, index);
actindex = index;
entry = index & (mcam->banksize - 1);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index ff2b21999f36..19c53e591d0d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -1098,14 +1098,6 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target,
write_req.cntr = rule->cntr;
}
- err = rvu_mbox_handler_npc_mcam_write_entry(rvu, &write_req,
- &write_rsp);
- if (err) {
- rvu_mcam_remove_counter_from_rule(rvu, owner, rule);
- if (new)
- kfree(rule);
- return err;
- }
/* update rule */
memcpy(&rule->packet, &dummy.packet, sizeof(rule->packet));
memcpy(&rule->mask, &dummy.mask, sizeof(rule->mask));
@@ -1132,6 +1124,18 @@ static int npc_install_flow(struct rvu *rvu, int blkaddr, u16 target,
if (req->default_rule)
pfvf->def_ucast_rule = rule;
+ /* write to mcam entry registers */
+ err = rvu_mbox_handler_npc_mcam_write_entry(rvu, &write_req,
+ &write_rsp);
+ if (err) {
+ rvu_mcam_remove_counter_from_rule(rvu, owner, rule);
+ if (new) {
+ list_del(&rule->list);
+ kfree(rule);
+ }
+ return err;
+ }
+
/* VF's MAC address is being changed via PF */
if (pf_set_vfs_mac) {
ether_addr_copy(pfvf->default_mac, req->packet.dmac);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 61e52812983f..14509fc64cce 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -603,6 +603,7 @@ static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura,
size++;
tar_addr |= ((size - 1) & 0x7) << 4;
}
+ dma_wmb();
memcpy((u64 *)lmt_info->lmt_addr, ptrs, sizeof(u64) * num_ptrs);
/* Perform LMTST flush */
cn10k_lmt_flush(val, tar_addr);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 1e0d0c9c1dac..ba7f6b295ca5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -394,7 +394,12 @@ static int otx2_forward_vf_mbox_msgs(struct otx2_nic *pf,
dst_mdev->msg_size = mbox_hdr->msg_size;
dst_mdev->num_msgs = num_msgs;
err = otx2_sync_mbox_msg(dst_mbox);
- if (err) {
+ /* Error code -EIO indicate there is a communication failure
+ * to the AF. Rest of the error codes indicate that AF processed
+ * VF messages and set the error codes in response messages
+ * (if any) so simply forward responses to VF.
+ */
+ if (err == -EIO) {
dev_warn(pf->dev,
"AF not responding to VF%d messages\n", vf);
/* restore PF mbase and exit */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
index e2e0f977875d..dde5b772a5af 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
@@ -22,21 +22,21 @@
#define ETHER_CLK_SEL_RMII_CLK_EN BIT(2)
#define ETHER_CLK_SEL_RMII_CLK_RST BIT(3)
#define ETHER_CLK_SEL_DIV_SEL_2 BIT(4)
-#define ETHER_CLK_SEL_DIV_SEL_20 BIT(0)
+#define ETHER_CLK_SEL_DIV_SEL_20 0
#define ETHER_CLK_SEL_FREQ_SEL_125M (BIT(9) | BIT(8))
#define ETHER_CLK_SEL_FREQ_SEL_50M BIT(9)
#define ETHER_CLK_SEL_FREQ_SEL_25M BIT(8)
#define ETHER_CLK_SEL_FREQ_SEL_2P5M 0
-#define ETHER_CLK_SEL_TX_CLK_EXT_SEL_IN BIT(0)
+#define ETHER_CLK_SEL_TX_CLK_EXT_SEL_IN 0
#define ETHER_CLK_SEL_TX_CLK_EXT_SEL_TXC BIT(10)
#define ETHER_CLK_SEL_TX_CLK_EXT_SEL_DIV BIT(11)
-#define ETHER_CLK_SEL_RX_CLK_EXT_SEL_IN BIT(0)
+#define ETHER_CLK_SEL_RX_CLK_EXT_SEL_IN 0
#define ETHER_CLK_SEL_RX_CLK_EXT_SEL_RXC BIT(12)
#define ETHER_CLK_SEL_RX_CLK_EXT_SEL_DIV BIT(13)
-#define ETHER_CLK_SEL_TX_CLK_O_TX_I BIT(0)
+#define ETHER_CLK_SEL_TX_CLK_O_TX_I 0
#define ETHER_CLK_SEL_TX_CLK_O_RMII_I BIT(14)
#define ETHER_CLK_SEL_TX_O_E_N_IN BIT(15)
-#define ETHER_CLK_SEL_RMII_CLK_SEL_IN BIT(0)
+#define ETHER_CLK_SEL_RMII_CLK_SEL_IN 0
#define ETHER_CLK_SEL_RMII_CLK_SEL_RX_C BIT(16)
#define ETHER_CLK_SEL_RX_TX_CLK_EN (ETHER_CLK_SEL_RX_CLK_EN | ETHER_CLK_SEL_TX_CLK_EN)
@@ -96,31 +96,41 @@ static void visconti_eth_fix_mac_speed(void *priv, unsigned int speed)
val |= ETHER_CLK_SEL_TX_O_E_N_IN;
writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+ /* Set Clock-Mux, Start clock, Set TX_O direction */
switch (dwmac->phy_intf_sel) {
case ETHER_CONFIG_INTF_RGMII:
val = clk_sel_val | ETHER_CLK_SEL_RX_CLK_EXT_SEL_RXC;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+
+ val |= ETHER_CLK_SEL_RX_TX_CLK_EN;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+
+ val &= ~ETHER_CLK_SEL_TX_O_E_N_IN;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
break;
case ETHER_CONFIG_INTF_RMII:
val = clk_sel_val | ETHER_CLK_SEL_RX_CLK_EXT_SEL_DIV |
- ETHER_CLK_SEL_TX_CLK_EXT_SEL_TXC | ETHER_CLK_SEL_TX_O_E_N_IN |
+ ETHER_CLK_SEL_TX_CLK_EXT_SEL_DIV | ETHER_CLK_SEL_TX_O_E_N_IN |
ETHER_CLK_SEL_RMII_CLK_SEL_RX_C;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+
+ val |= ETHER_CLK_SEL_RMII_CLK_RST;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+
+ val |= ETHER_CLK_SEL_RMII_CLK_EN | ETHER_CLK_SEL_RX_TX_CLK_EN;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
break;
case ETHER_CONFIG_INTF_MII:
default:
val = clk_sel_val | ETHER_CLK_SEL_RX_CLK_EXT_SEL_RXC |
- ETHER_CLK_SEL_TX_CLK_EXT_SEL_DIV | ETHER_CLK_SEL_TX_O_E_N_IN |
- ETHER_CLK_SEL_RMII_CLK_EN;
+ ETHER_CLK_SEL_TX_CLK_EXT_SEL_TXC | ETHER_CLK_SEL_TX_O_E_N_IN;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
+
+ val |= ETHER_CLK_SEL_RX_TX_CLK_EN;
+ writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
break;
}
- /* Start clock */
- writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
- val |= ETHER_CLK_SEL_RX_TX_CLK_EN;
- writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
-
- val &= ~ETHER_CLK_SEL_TX_O_E_N_IN;
- writel(val, dwmac->reg + REG_ETHER_CLOCK_SEL);
-
spin_unlock_irqrestore(&dwmac->lock, flags);
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e81a79845d42..ac8e3b932bf1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -899,6 +899,9 @@ static int stmmac_init_ptp(struct stmmac_priv *priv)
bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac;
int ret;
+ if (priv->plat->ptp_clk_freq_config)
+ priv->plat->ptp_clk_freq_config(priv);
+
ret = stmmac_init_tstamp_counter(priv, STMMAC_HWTS_ACTIVE);
if (ret)
return ret;
@@ -921,8 +924,6 @@ static int stmmac_init_ptp(struct stmmac_priv *priv)
priv->hwts_tx_en = 0;
priv->hwts_rx_en = 0;
- stmmac_ptp_register(priv);
-
return 0;
}
@@ -3245,7 +3246,7 @@ static int stmmac_fpe_start_wq(struct stmmac_priv *priv)
/**
* stmmac_hw_setup - setup mac in a usable state.
* @dev : pointer to the device structure.
- * @init_ptp: initialize PTP if set
+ * @ptp_register: register PTP if set
* Description:
* this is the main function to setup the HW in a usable state because the
* dma engine is reset, the core registers are configured (e.g. AXI,
@@ -3255,7 +3256,7 @@ static int stmmac_fpe_start_wq(struct stmmac_priv *priv)
* 0 on success and an appropriate (-)ve integer as defined in errno.h
* file on failure.
*/
-static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
+static int stmmac_hw_setup(struct net_device *dev, bool ptp_register)
{
struct stmmac_priv *priv = netdev_priv(dev);
u32 rx_cnt = priv->plat->rx_queues_to_use;
@@ -3312,13 +3313,13 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
stmmac_mmc_setup(priv);
- if (init_ptp) {
- ret = stmmac_init_ptp(priv);
- if (ret == -EOPNOTSUPP)
- netdev_warn(priv->dev, "PTP not supported by HW\n");
- else if (ret)
- netdev_warn(priv->dev, "PTP init failed\n");
- }
+ ret = stmmac_init_ptp(priv);
+ if (ret == -EOPNOTSUPP)
+ netdev_warn(priv->dev, "PTP not supported by HW\n");
+ else if (ret)
+ netdev_warn(priv->dev, "PTP init failed\n");
+ else if (ptp_register)
+ stmmac_ptp_register(priv);
priv->eee_tw_timer = STMMAC_DEFAULT_TWT_LS;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index be9b58b2abf9..ac8bc1c8614d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -297,9 +297,6 @@ void stmmac_ptp_register(struct stmmac_priv *priv)
{
int i;
- if (priv->plat->ptp_clk_freq_config)
- priv->plat->ptp_clk_freq_config(priv);
-
for (i = 0; i < priv->dma_cap.pps_out_num; i++) {
if (i >= STMMAC_PPS_MAX)
break;
diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c
index 6bb5ac51d23c..f8e591d69d2c 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.c
+++ b/drivers/net/ethernet/ti/cpsw_priv.c
@@ -1144,7 +1144,7 @@ int cpsw_fill_rx_channels(struct cpsw_priv *priv)
static struct page_pool *cpsw_create_page_pool(struct cpsw_common *cpsw,
int size)
{
- struct page_pool_params pp_params;
+ struct page_pool_params pp_params = {};
struct page_pool *pool;
pp_params.order = 0;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 6376b8485976..980f2be32f05 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -950,9 +950,7 @@ static int yam_siocdevprivate(struct net_device *dev, struct ifreq *ifr, void __
ym = memdup_user(data, sizeof(struct yamdrv_ioctl_mcs));
if (IS_ERR(ym))
return PTR_ERR(ym);
- if (ym->cmd != SIOCYAMSMCS)
- return -EINVAL;
- if (ym->bitrate > YAM_MAXBITRATE) {
+ if (ym->cmd != SIOCYAMSMCS || ym->bitrate > YAM_MAXBITRATE) {
kfree(ym);
return -EINVAL;
}
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index bb5104ae4610..3c683e0e40e9 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -854,6 +854,7 @@ static struct phy_driver broadcom_drivers[] = {
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM54616S",
/* PHY_GBIT_FEATURES */
+ .soft_reset = genphy_soft_reset,
.config_init = bcm54xx_config_init,
.config_aneg = bcm54616s_config_aneg,
.config_intr = bcm_phy_config_intr,
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 74d8e1dc125f..ce0bb5951b81 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1746,6 +1746,9 @@ void phy_detach(struct phy_device *phydev)
phy_driver_is_genphy_10g(phydev))
device_release_driver(&phydev->mdio.dev);
+ /* Assert the reset signal */
+ phy_device_reset(phydev, 1);
+
/*
* The phydev might go away on the put_device() below, so avoid
* a use-after-free bug by reading the underlying bus first.
@@ -1757,9 +1760,6 @@ void phy_detach(struct phy_device *phydev)
ndev_owner = dev->dev.parent->driver->owner;
if (ndev_owner != bus->owner)
module_put(bus->owner);
-
- /* Assert the reset signal */
- phy_device_reset(phydev, 1);
}
EXPORT_SYMBOL(phy_detach);
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 0c6c0d1843bc..c1512c9925a6 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -651,6 +651,11 @@ struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode)
else if (ret < 0)
return ERR_PTR(ret);
+ if (!fwnode_device_is_available(ref.fwnode)) {
+ fwnode_handle_put(ref.fwnode);
+ return NULL;
+ }
+
bus = sfp_bus_get(ref.fwnode);
fwnode_handle_put(ref.fwnode);
if (!bus)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index fcbcfc9f5a04..58be537adb1f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -145,7 +145,7 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
mcu_txd->cid = mcu_cmd;
mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
- if (mcu_txd->ext_cid || (cmd & MCU_CE_PREFIX)) {
+ if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
if (cmd & __MCU_CMD_FIELD_QUERY)
mcu_txd->set_query = MCU_Q_QUERY;
else
@@ -193,7 +193,7 @@ int mt7615_mcu_parse_response(struct mt76_dev *mdev, int cmd,
skb_pull(skb, sizeof(*rxd));
event = (struct mt7615_mcu_uni_event *)skb->data;
ret = le32_to_cpu(event->status);
- } else if (cmd == MCU_CMD_REG_READ) {
+ } else if (cmd == MCU_CE_QUERY(REG_READ)) {
struct mt7615_mcu_reg_event *event;
skb_pull(skb, sizeof(*rxd));
@@ -2737,13 +2737,13 @@ int mt7615_mcu_set_bss_pm(struct mt7615_dev *dev, struct ieee80211_vif *vif,
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
- err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr,
- sizeof(req_hdr), false);
+ err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
+ &req_hdr, sizeof(req_hdr), false);
if (err < 0 || !enable)
return err;
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
+ &req, sizeof(req), false);
}
int mt7615_mcu_set_roc(struct mt7615_phy *phy, struct ieee80211_vif *vif,
@@ -2762,6 +2762,6 @@ int mt7615_mcu_set_roc(struct mt7615_phy *phy, struct ieee80211_vif *vif,
phy->roc_grant = false;
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_ROC, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_ROC),
+ &req, sizeof(req), false);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 7733c8fad241..1fb8432aa27c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -160,7 +160,8 @@ int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
memcpy(__skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
- return mt76_mcu_skb_send_msg(dev, skb, MCU_CMD_SET_CHAN_DOMAIN, false);
+ return mt76_mcu_skb_send_msg(dev, skb, MCU_CE_CMD(SET_CHAN_DOMAIN),
+ false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_channel_domain);
@@ -198,8 +199,8 @@ int mt76_connac_mcu_set_vif_ps(struct mt76_dev *dev, struct ieee80211_vif *vif)
if (vif->type != NL80211_IFTYPE_STATION)
return -EOPNOTSUPP;
- return mt76_mcu_send_msg(dev, MCU_CMD_SET_PS_PROFILE, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(dev, MCU_CE_CMD(SET_PS_PROFILE),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_vif_ps);
@@ -1523,7 +1524,8 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
req->scan_func |= SCAN_FUNC_RANDOM_MAC;
}
- err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CMD_START_HW_SCAN, false);
+ err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(START_HW_SCAN),
+ false);
if (err < 0)
clear_bit(MT76_HW_SCANNING, &phy->state);
@@ -1551,8 +1553,8 @@ int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
ieee80211_scan_completed(phy->hw, &info);
}
- return mt76_mcu_send_msg(phy->dev, MCU_CMD_CANCEL_HW_SCAN, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(CANCEL_HW_SCAN),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_cancel_hw_scan);
@@ -1638,7 +1640,8 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
}
- return mt76_mcu_skb_send_msg(mdev, skb, MCU_CMD_SCHED_SCAN_REQ, false);
+ return mt76_mcu_skb_send_msg(mdev, skb, MCU_CE_CMD(SCHED_SCAN_REQ),
+ false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_req);
@@ -1658,8 +1661,8 @@ int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
else
clear_bit(MT76_HW_SCHED_SCANNING, &phy->state);
- return mt76_mcu_send_msg(phy->dev, MCU_CMD_SCHED_SCAN_ENABLE, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SCHED_SCAN_ENABLE),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
@@ -1671,8 +1674,8 @@ int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
memcpy(req.data, "assert", 7);
- return mt76_mcu_send_msg(dev, MCU_CMD_CHIP_CONFIG, &req, sizeof(req),
- false);
+ return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_chip_config);
@@ -1684,8 +1687,8 @@ int mt76_connac_mcu_set_deep_sleep(struct mt76_dev *dev, bool enable)
snprintf(req.data, sizeof(req.data), "KeepFullPwr %d", !enable);
- return mt76_mcu_send_msg(dev, MCU_CMD_CHIP_CONFIG, &req, sizeof(req),
- false);
+ return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_deep_sleep);
@@ -1787,8 +1790,8 @@ int mt76_connac_mcu_get_nic_capability(struct mt76_phy *phy)
struct sk_buff *skb;
int ret, i;
- ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CMD_GET_NIC_CAPAB, NULL,
- 0, true, &skb);
+ ret = mt76_mcu_send_and_get_msg(phy->dev, MCU_CE_CMD(GET_NIC_CAPAB),
+ NULL, 0, true, &skb);
if (ret)
return ret;
@@ -2071,7 +2074,8 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
memcpy(skb->data, &tx_power_tlv, sizeof(tx_power_tlv));
err = mt76_mcu_skb_send_msg(dev, skb,
- MCU_CMD_SET_RATE_TX_POWER, false);
+ MCU_CE_CMD(SET_RATE_TX_POWER),
+ false);
if (err < 0)
return err;
}
@@ -2163,8 +2167,8 @@ int mt76_connac_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
.bss_idx = mvif->idx,
};
- return mt76_mcu_send_msg(phy->dev, MCU_CMD_SET_P2P_OPPPS, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(phy->dev, MCU_CE_CMD(SET_P2P_OPPPS),
+ &req, sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_p2p_oppps);
@@ -2490,8 +2494,8 @@ u32 mt76_connac_mcu_reg_rr(struct mt76_dev *dev, u32 offset)
.addr = cpu_to_le32(offset),
};
- return mt76_mcu_send_msg(dev, MCU_CMD_REG_READ, &req, sizeof(req),
- true);
+ return mt76_mcu_send_msg(dev, MCU_CE_QUERY(REG_READ), &req,
+ sizeof(req), true);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_rr);
@@ -2505,7 +2509,8 @@ void mt76_connac_mcu_reg_wr(struct mt76_dev *dev, u32 offset, u32 val)
.val = cpu_to_le32(val),
};
- mt76_mcu_send_msg(dev, MCU_CMD_REG_WRITE, &req, sizeof(req), false);
+ mt76_mcu_send_msg(dev, MCU_CE_CMD(REG_WRITE), &req,
+ sizeof(req), false);
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_reg_wr);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 5c5fab9154e5..acb9a286d354 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -496,13 +496,11 @@ enum {
#define MCU_CMD_UNI_EXT_ACK (MCU_CMD_ACK | MCU_CMD_UNI | \
MCU_CMD_QUERY)
-#define MCU_CE_PREFIX BIT(29)
-#define MCU_CMD_MASK ~(MCU_CE_PREFIX)
-
#define __MCU_CMD_FIELD_ID GENMASK(7, 0)
#define __MCU_CMD_FIELD_EXT_ID GENMASK(15, 8)
#define __MCU_CMD_FIELD_QUERY BIT(16)
#define __MCU_CMD_FIELD_UNI BIT(17)
+#define __MCU_CMD_FIELD_CE BIT(18)
#define MCU_CMD(_t) FIELD_PREP(__MCU_CMD_FIELD_ID, \
MCU_CMD_##_t)
@@ -513,6 +511,10 @@ enum {
#define MCU_UNI_CMD(_t) (__MCU_CMD_FIELD_UNI | \
FIELD_PREP(__MCU_CMD_FIELD_ID, \
MCU_UNI_CMD_##_t))
+#define MCU_CE_CMD(_t) (__MCU_CMD_FIELD_CE | \
+ FIELD_PREP(__MCU_CMD_FIELD_ID, \
+ MCU_CE_CMD_##_t))
+#define MCU_CE_QUERY(_t) (MCU_CE_CMD(_t) | __MCU_CMD_FIELD_QUERY)
enum {
MCU_EXT_CMD_EFUSE_ACCESS = 0x01,
@@ -589,26 +591,26 @@ enum {
/* offload mcu commands */
enum {
- MCU_CMD_TEST_CTRL = MCU_CE_PREFIX | 0x01,
- MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,
- MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05,
- MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f,
- MCU_CMD_SET_BSS_CONNECTED = MCU_CE_PREFIX | 0x16,
- MCU_CMD_SET_BSS_ABORT = MCU_CE_PREFIX | 0x17,
- MCU_CMD_CANCEL_HW_SCAN = MCU_CE_PREFIX | 0x1b,
- MCU_CMD_SET_ROC = MCU_CE_PREFIX | 0x1d,
- MCU_CMD_SET_P2P_OPPPS = MCU_CE_PREFIX | 0x33,
- MCU_CMD_SET_RATE_TX_POWER = MCU_CE_PREFIX | 0x5d,
- MCU_CMD_SCHED_SCAN_ENABLE = MCU_CE_PREFIX | 0x61,
- MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62,
- MCU_CMD_GET_NIC_CAPAB = MCU_CE_PREFIX | 0x8a,
- MCU_CMD_SET_MU_EDCA_PARMS = MCU_CE_PREFIX | 0xb0,
- MCU_CMD_REG_WRITE = MCU_CE_PREFIX | 0xc0,
- MCU_CMD_REG_READ = MCU_CE_PREFIX | __MCU_CMD_FIELD_QUERY | 0xc0,
- MCU_CMD_CHIP_CONFIG = MCU_CE_PREFIX | 0xca,
- MCU_CMD_FWLOG_2_HOST = MCU_CE_PREFIX | 0xc5,
- MCU_CMD_GET_WTBL = MCU_CE_PREFIX | 0xcd,
- MCU_CMD_GET_TXPWR = MCU_CE_PREFIX | 0xd0,
+ MCU_CE_CMD_TEST_CTRL = 0x01,
+ MCU_CE_CMD_START_HW_SCAN = 0x03,
+ MCU_CE_CMD_SET_PS_PROFILE = 0x05,
+ MCU_CE_CMD_SET_CHAN_DOMAIN = 0x0f,
+ MCU_CE_CMD_SET_BSS_CONNECTED = 0x16,
+ MCU_CE_CMD_SET_BSS_ABORT = 0x17,
+ MCU_CE_CMD_CANCEL_HW_SCAN = 0x1b,
+ MCU_CE_CMD_SET_ROC = 0x1d,
+ MCU_CE_CMD_SET_P2P_OPPPS = 0x33,
+ MCU_CE_CMD_SET_RATE_TX_POWER = 0x5d,
+ MCU_CE_CMD_SCHED_SCAN_ENABLE = 0x61,
+ MCU_CE_CMD_SCHED_SCAN_REQ = 0x62,
+ MCU_CE_CMD_GET_NIC_CAPAB = 0x8a,
+ MCU_CE_CMD_SET_MU_EDCA_PARMS = 0xb0,
+ MCU_CE_CMD_REG_WRITE = 0xc0,
+ MCU_CE_CMD_REG_READ = 0xc0,
+ MCU_CE_CMD_CHIP_CONFIG = 0xca,
+ MCU_CE_CMD_FWLOG_2_HOST = 0xc5,
+ MCU_CE_CMD_GET_WTBL = 0xcd,
+ MCU_CE_CMD_GET_TXPWR = 0xd0,
};
enum {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 484a8c57b862..4c6adbb96955 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -163,8 +163,8 @@ mt7921_mcu_parse_eeprom(struct mt76_dev *dev, struct sk_buff *skb)
int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
+ int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd);
struct mt7921_mcu_rxd *rxd;
- int mcu_cmd = cmd & MCU_CMD_MASK;
int ret = 0;
if (!skb) {
@@ -201,7 +201,7 @@ int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
/* skip invalid event */
if (mcu_cmd != event->cid)
ret = -EAGAIN;
- } else if (cmd == MCU_CMD_REG_READ) {
+ } else if (cmd == MCU_CE_QUERY(REG_READ)) {
struct mt7921_mcu_reg_event *event;
skb_pull(skb, sizeof(*rxd));
@@ -274,7 +274,7 @@ int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb,
mcu_txd->s2d_index = MCU_S2D_H2N;
mcu_txd->ext_cid = FIELD_GET(__MCU_CMD_FIELD_EXT_ID, cmd);
- if (mcu_txd->ext_cid || (cmd & MCU_CE_PREFIX)) {
+ if (mcu_txd->ext_cid || (cmd & __MCU_CMD_FIELD_CE)) {
if (cmd & __MCU_CMD_FIELD_QUERY)
mcu_txd->set_query = MCU_Q_QUERY;
else
@@ -883,8 +883,8 @@ int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl)
.ctrl_val = ctrl
};
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FWLOG_2_HOST, &data,
- sizeof(data), false);
+ return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST),
+ &data, sizeof(data), false);
}
int mt7921_run_firmware(struct mt7921_dev *dev)
@@ -1009,8 +1009,8 @@ int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif)
e->timer = q->mu_edca_timer;
}
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_MU_EDCA_PARMS, &req_mu,
- sizeof(req_mu), false);
+ return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS),
+ &req_mu, sizeof(req_mu), false);
}
int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd)
@@ -1214,13 +1214,13 @@ mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
- err = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT, &req_hdr,
- sizeof(req_hdr), false);
+ err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT),
+ &req_hdr, sizeof(req_hdr), false);
if (err < 0 || !enable)
return err;
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED, &req,
- sizeof(req), false);
+ return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED),
+ &req, sizeof(req), false);
}
int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
@@ -1330,7 +1330,7 @@ int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr)
struct sk_buff *skb;
int ret;
- ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_TXPWR,
+ ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR),
&req, sizeof(req), true, &skb);
if (ret)
return ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
index 8bd43879dd6f..bdec8684ce94 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/testmode.c
@@ -66,7 +66,7 @@ mt7921_tm_set(struct mt7921_dev *dev, struct mt7921_tm_cmd *req)
if (!mt76_testmode_enabled(phy))
goto out;
- ret = mt76_mcu_send_msg(&dev->mt76, MCU_CMD_TEST_CTRL, &cmd,
+ ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(TEST_CTRL), &cmd,
sizeof(cmd), false);
if (ret)
goto out;
@@ -95,7 +95,7 @@ mt7921_tm_query(struct mt7921_dev *dev, struct mt7921_tm_cmd *req,
struct sk_buff *skb;
int ret;
- ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_TEST_CTRL,
+ ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(TEST_CTRL),
&cmd, sizeof(cmd), true, &skb);
if (ret)
goto out;
diff --git a/drivers/pci/controller/pcie-mt7621.c b/drivers/pci/controller/pcie-mt7621.c
index 73b91315c165..6ec53aa81b92 100644
--- a/drivers/pci/controller/pcie-mt7621.c
+++ b/drivers/pci/controller/pcie-mt7621.c
@@ -109,15 +109,6 @@ static inline void pcie_write(struct mt7621_pcie *pcie, u32 val, u32 reg)
writel_relaxed(val, pcie->base + reg);
}
-static inline void pcie_rmw(struct mt7621_pcie *pcie, u32 reg, u32 clr, u32 set)
-{
- u32 val = readl_relaxed(pcie->base + reg);
-
- val &= ~clr;
- val |= set;
- writel_relaxed(val, pcie->base + reg);
-}
-
static inline u32 pcie_port_read(struct mt7621_pcie_port *port, u32 reg)
{
return readl_relaxed(port->base + reg);
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index f2e961f998ca..341156e2a29b 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -180,6 +180,7 @@ config QCOM_Q6V5_ADSP
depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
depends on QCOM_SYSMON || QCOM_SYSMON=n
depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n
+ depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n
select MFD_SYSCON
select QCOM_PIL_INFO
select QCOM_MDT_LOADER
@@ -199,6 +200,7 @@ config QCOM_Q6V5_MSS
depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
depends on QCOM_SYSMON || QCOM_SYSMON=n
depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n
+ depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n
select MFD_SYSCON
select QCOM_MDT_LOADER
select QCOM_PIL_INFO
@@ -218,6 +220,7 @@ config QCOM_Q6V5_PAS
depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
depends on QCOM_SYSMON || QCOM_SYSMON=n
depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n
+ depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n
select MFD_SYSCON
select QCOM_PIL_INFO
select QCOM_MDT_LOADER
@@ -239,6 +242,7 @@ config QCOM_Q6V5_WCSS
depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
depends on QCOM_SYSMON || QCOM_SYSMON=n
depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n
+ depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n
select MFD_SYSCON
select QCOM_MDT_LOADER
select QCOM_PIL_INFO
diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c
index eada7e34f3af..442a388f8102 100644
--- a/drivers/remoteproc/qcom_q6v5.c
+++ b/drivers/remoteproc/qcom_q6v5.c
@@ -10,6 +10,7 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/module.h>
+#include <linux/soc/qcom/qcom_aoss.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
#include <linux/remoteproc.h>
diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index b5907b80727c..3ec34ad0e893 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -90,7 +90,7 @@ static int rpmsg_eptdev_destroy(struct device *dev, void *data)
/* wake up any blocked readers */
wake_up_interruptible(&eptdev->readq);
- device_del(&eptdev->dev);
+ cdev_device_del(&eptdev->cdev, &eptdev->dev);
put_device(&eptdev->dev);
return 0;
@@ -333,7 +333,6 @@ static void rpmsg_eptdev_release_device(struct device *dev)
ida_simple_remove(&rpmsg_ept_ida, dev->id);
ida_simple_remove(&rpmsg_minor_ida, MINOR(eptdev->dev.devt));
- cdev_del(&eptdev->cdev);
kfree(eptdev);
}
@@ -378,19 +377,13 @@ static int rpmsg_eptdev_create(struct rpmsg_ctrldev *ctrldev,
dev->id = ret;
dev_set_name(dev, "rpmsg%d", ret);
- ret = cdev_add(&eptdev->cdev, dev->devt, 1);
+ ret = cdev_device_add(&eptdev->cdev, &eptdev->dev);
if (ret)
goto free_ept_ida;
/* We can now rely on the release function for cleanup */
dev->release = rpmsg_eptdev_release_device;
- ret = device_add(dev);
- if (ret) {
- dev_err(dev, "device_add failed: %d\n", ret);
- put_device(dev);
- }
-
return ret;
free_ept_ida:
@@ -459,7 +452,6 @@ static void rpmsg_ctrldev_release_device(struct device *dev)
ida_simple_remove(&rpmsg_ctrl_ida, dev->id);
ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt));
- cdev_del(&ctrldev->cdev);
kfree(ctrldev);
}
@@ -494,19 +486,13 @@ static int rpmsg_chrdev_probe(struct rpmsg_device *rpdev)
dev->id = ret;
dev_set_name(&ctrldev->dev, "rpmsg_ctrl%d", ret);
- ret = cdev_add(&ctrldev->cdev, dev->devt, 1);
+ ret = cdev_device_add(&ctrldev->cdev, &ctrldev->dev);
if (ret)
goto free_ctrl_ida;
/* We can now rely on the release function for cleanup */
dev->release = rpmsg_ctrldev_release_device;
- ret = device_add(dev);
- if (ret) {
- dev_err(&rpdev->dev, "device_add failed: %d\n", ret);
- put_device(dev);
- }
-
dev_set_drvdata(&rpdev->dev, ctrldev);
return ret;
@@ -532,7 +518,7 @@ static void rpmsg_chrdev_remove(struct rpmsg_device *rpdev)
if (ret)
dev_warn(&rpdev->dev, "failed to nuke endpoints: %d\n", ret);
- device_del(&ctrldev->dev);
+ cdev_device_del(&ctrldev->cdev, &ctrldev->dev);
put_device(&ctrldev->dev);
}
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index d24cafe02708..511bf8e0a436 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -521,6 +521,8 @@ static void zfcp_fc_adisc_handler(void *data)
goto out;
}
+ /* re-init to undo drop from zfcp_fc_adisc() */
+ port->d_id = ntoh24(adisc_resp->adisc_port_id);
/* port is good, unblock rport without going through erp */
zfcp_scsi_schedule_rport_register(port);
out:
@@ -534,6 +536,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
struct zfcp_fc_req *fc_req;
struct zfcp_adapter *adapter = port->adapter;
struct Scsi_Host *shost = adapter->scsi_host;
+ u32 d_id;
int ret;
fc_req = kmem_cache_zalloc(zfcp_fc_req_cache, GFP_ATOMIC);
@@ -558,7 +561,15 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
fc_req->u.adisc.req.adisc_cmd = ELS_ADISC;
hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost));
- ret = zfcp_fsf_send_els(adapter, port->d_id, &fc_req->ct_els,
+ d_id = port->d_id; /* remember as destination for send els below */
+ /*
+ * Force fresh GID_PN lookup on next port recovery.
+ * Must happen after request setup and before sending request,
+ * to prevent race with port->d_id re-init in zfcp_fc_adisc_handler().
+ */
+ port->d_id = 0;
+
+ ret = zfcp_fsf_send_els(adapter, d_id, &fc_req->ct_els,
ZFCP_FC_CTELS_TMO);
if (ret)
kmem_cache_free(zfcp_fc_req_cache, fc_req);
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 71fa62bd3083..9be273c320e2 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -82,7 +82,7 @@ static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba);
static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba);
static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
struct device *parent, int npiv);
-static void bnx2fc_destroy_work(struct work_struct *work);
+static void bnx2fc_port_destroy(struct fcoe_port *port);
static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
@@ -907,9 +907,6 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
__bnx2fc_destroy(interface);
}
mutex_unlock(&bnx2fc_dev_lock);
-
- /* Ensure ALL destroy work has been completed before return */
- flush_workqueue(bnx2fc_wq);
return;
default:
@@ -1215,8 +1212,8 @@ static int bnx2fc_vport_destroy(struct fc_vport *vport)
mutex_unlock(&n_port->lp_mutex);
bnx2fc_free_vport(interface->hba, port->lport);
bnx2fc_port_shutdown(port->lport);
+ bnx2fc_port_destroy(port);
bnx2fc_interface_put(interface);
- queue_work(bnx2fc_wq, &port->destroy_work);
return 0;
}
@@ -1525,7 +1522,6 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
port->lport = lport;
port->priv = interface;
port->get_netdev = bnx2fc_netdev;
- INIT_WORK(&port->destroy_work, bnx2fc_destroy_work);
/* Configure fcoe_port */
rc = bnx2fc_lport_config(lport);
@@ -1653,8 +1649,8 @@ static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
bnx2fc_interface_cleanup(interface);
bnx2fc_stop(interface);
list_del(&interface->list);
+ bnx2fc_port_destroy(port);
bnx2fc_interface_put(interface);
- queue_work(bnx2fc_wq, &port->destroy_work);
}
/**
@@ -1694,15 +1690,12 @@ static int bnx2fc_destroy(struct net_device *netdev)
return rc;
}
-static void bnx2fc_destroy_work(struct work_struct *work)
+static void bnx2fc_port_destroy(struct fcoe_port *port)
{
- struct fcoe_port *port;
struct fc_lport *lport;
- port = container_of(work, struct fcoe_port, destroy_work);
lport = port->lport;
-
- BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n");
+ BNX2FC_HBA_DBG(lport, "Entered %s, destroying lport %p\n", __func__, lport);
bnx2fc_if_destroy(lport);
}
@@ -2556,9 +2549,6 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev)
__bnx2fc_destroy(interface);
mutex_unlock(&bnx2fc_dev_lock);
- /* Ensure ALL destroy work has been completed before return */
- flush_workqueue(bnx2fc_wq);
-
bnx2fc_ulp_stop(hba);
/* unregister cnic device */
if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
diff --git a/drivers/scsi/elx/libefc/efc_els.c b/drivers/scsi/elx/libefc/efc_els.c
index 24db0accb256..5f690378fe9a 100644
--- a/drivers/scsi/elx/libefc/efc_els.c
+++ b/drivers/scsi/elx/libefc/efc_els.c
@@ -46,18 +46,14 @@ efc_els_io_alloc_size(struct efc_node *node, u32 reqlen, u32 rsplen)
efc = node->efc;
- spin_lock_irqsave(&node->els_ios_lock, flags);
-
if (!node->els_io_enabled) {
efc_log_err(efc, "els io alloc disabled\n");
- spin_unlock_irqrestore(&node->els_ios_lock, flags);
return NULL;
}
els = mempool_alloc(efc->els_io_pool, GFP_ATOMIC);
if (!els) {
atomic_add_return(1, &efc->els_io_alloc_failed_count);
- spin_unlock_irqrestore(&node->els_ios_lock, flags);
return NULL;
}
@@ -74,7 +70,6 @@ efc_els_io_alloc_size(struct efc_node *node, u32 reqlen, u32 rsplen)
&els->io.req.phys, GFP_DMA);
if (!els->io.req.virt) {
mempool_free(els, efc->els_io_pool);
- spin_unlock_irqrestore(&node->els_ios_lock, flags);
return NULL;
}
@@ -94,10 +89,11 @@ efc_els_io_alloc_size(struct efc_node *node, u32 reqlen, u32 rsplen)
/* add els structure to ELS IO list */
INIT_LIST_HEAD(&els->list_entry);
+ spin_lock_irqsave(&node->els_ios_lock, flags);
list_add_tail(&els->list_entry, &node->els_ios_list);
+ spin_unlock_irqrestore(&node->els_ios_lock, flags);
}
- spin_unlock_irqrestore(&node->els_ios_lock, flags);
return els;
}
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 0b96b14bbfe1..9c5211f2ea84 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -322,6 +322,7 @@ static int addr_cnt;
#define GSM1_ESCAPE_BITS 0x20
#define XON 0x11
#define XOFF 0x13
+#define ISO_IEC_646_MASK 0x7F
static const struct tty_port_operations gsm_port_ops;
@@ -531,7 +532,8 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len)
int olen = 0;
while (len--) {
if (*input == GSM1_SOF || *input == GSM1_ESCAPE
- || *input == XON || *input == XOFF) {
+ || (*input & ISO_IEC_646_MASK) == XON
+ || (*input & ISO_IEC_646_MASK) == XOFF) {
*output++ = GSM1_ESCAPE;
*output++ = *input++ ^ GSM1_ESCAPE_BITS;
olen++;
diff --git a/drivers/tty/rpmsg_tty.c b/drivers/tty/rpmsg_tty.c
index dae2a4e44f38..29db413bbc03 100644
--- a/drivers/tty/rpmsg_tty.c
+++ b/drivers/tty/rpmsg_tty.c
@@ -50,10 +50,17 @@ static int rpmsg_tty_cb(struct rpmsg_device *rpdev, void *data, int len, void *p
static int rpmsg_tty_install(struct tty_driver *driver, struct tty_struct *tty)
{
struct rpmsg_tty_port *cport = idr_find(&tty_idr, tty->index);
+ struct tty_port *port;
tty->driver_data = cport;
- return tty_port_install(&cport->port, driver, tty);
+ port = tty_port_get(&cport->port);
+ return tty_port_install(port, driver, tty);
+}
+
+static void rpmsg_tty_cleanup(struct tty_struct *tty)
+{
+ tty_port_put(tty->port);
}
static int rpmsg_tty_open(struct tty_struct *tty, struct file *filp)
@@ -106,12 +113,19 @@ static unsigned int rpmsg_tty_write_room(struct tty_struct *tty)
return size;
}
+static void rpmsg_tty_hangup(struct tty_struct *tty)
+{
+ tty_port_hangup(tty->port);
+}
+
static const struct tty_operations rpmsg_tty_ops = {
.install = rpmsg_tty_install,
.open = rpmsg_tty_open,
.close = rpmsg_tty_close,
.write = rpmsg_tty_write,
.write_room = rpmsg_tty_write_room,
+ .hangup = rpmsg_tty_hangup,
+ .cleanup = rpmsg_tty_cleanup,
};
static struct rpmsg_tty_port *rpmsg_tty_alloc_cport(void)
@@ -137,8 +151,10 @@ static struct rpmsg_tty_port *rpmsg_tty_alloc_cport(void)
return cport;
}
-static void rpmsg_tty_release_cport(struct rpmsg_tty_port *cport)
+static void rpmsg_tty_destruct_port(struct tty_port *port)
{
+ struct rpmsg_tty_port *cport = container_of(port, struct rpmsg_tty_port, port);
+
mutex_lock(&idr_lock);
idr_remove(&tty_idr, cport->id);
mutex_unlock(&idr_lock);
@@ -146,7 +162,10 @@ static void rpmsg_tty_release_cport(struct rpmsg_tty_port *cport)
kfree(cport);
}
-static const struct tty_port_operations rpmsg_tty_port_ops = { };
+static const struct tty_port_operations rpmsg_tty_port_ops = {
+ .destruct = rpmsg_tty_destruct_port,
+};
+
static int rpmsg_tty_probe(struct rpmsg_device *rpdev)
{
@@ -166,7 +185,8 @@ static int rpmsg_tty_probe(struct rpmsg_device *rpdev)
cport->id, dev);
if (IS_ERR(tty_dev)) {
ret = dev_err_probe(dev, PTR_ERR(tty_dev), "Failed to register tty port\n");
- goto err_destroy;
+ tty_port_put(&cport->port);
+ return ret;
}
cport->rpdev = rpdev;
@@ -177,12 +197,6 @@ static int rpmsg_tty_probe(struct rpmsg_device *rpdev)
rpdev->src, rpdev->dst, cport->id);
return 0;
-
-err_destroy:
- tty_port_destroy(&cport->port);
- rpmsg_tty_release_cport(cport);
-
- return ret;
}
static void rpmsg_tty_remove(struct rpmsg_device *rpdev)
@@ -192,13 +206,11 @@ static void rpmsg_tty_remove(struct rpmsg_device *rpdev)
dev_dbg(&rpdev->dev, "Removing rpmsg tty device %d\n", cport->id);
/* User hang up to release the tty */
- if (tty_port_initialized(&cport->port))
- tty_port_tty_hangup(&cport->port, false);
+ tty_port_tty_hangup(&cport->port, false);
tty_unregister_device(rpmsg_tty_driver, cport->id);
- tty_port_destroy(&cport->port);
- rpmsg_tty_release_cport(cport);
+ tty_port_put(&cport->port);
}
static struct rpmsg_device_id rpmsg_driver_tty_id_table[] = {
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index bce28729dd7b..be8626234627 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -83,8 +83,17 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
port->mapsize = resource_size(&resource);
/* Check for shifted address mapping */
- if (of_property_read_u32(np, "reg-offset", &prop) == 0)
+ if (of_property_read_u32(np, "reg-offset", &prop) == 0) {
+ if (prop >= port->mapsize) {
+ dev_warn(&ofdev->dev, "reg-offset %u exceeds region size %pa\n",
+ prop, &port->mapsize);
+ ret = -EINVAL;
+ goto err_unprepare;
+ }
+
port->mapbase += prop;
+ port->mapsize -= prop;
+ }
port->iotype = UPIO_MEM;
if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 60f8fffdfd77..8817f6c912cf 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -5174,8 +5174,30 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS400,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0dc0 */
pbn_b2_4_115200 },
+ /* Brainboxes Devices */
/*
- * BrainBoxes UC-260
+ * Brainboxes UC-101
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0BA1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-235/246
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0AA1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_1_115200 },
+ /*
+ * Brainboxes UC-257
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0861,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-260/271/701/756
*/
{ PCI_VENDOR_ID_INTASHIELD, 0x0D21,
PCI_ANY_ID, PCI_ANY_ID,
@@ -5183,7 +5205,81 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_b2_4_115200 },
{ PCI_VENDOR_ID_INTASHIELD, 0x0E34,
PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00,
+ PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00,
+ pbn_b2_4_115200 },
+ /*
+ * Brainboxes UC-268
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0841,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_4_115200 },
+ /*
+ * Brainboxes UC-275/279
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0881,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_8_115200 },
+ /*
+ * Brainboxes UC-302
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x08E1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-310
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x08C1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-313
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x08A3,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-320/324
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0A61,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_1_115200 },
+ /*
+ * Brainboxes UC-346
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0B02,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_4_115200 },
+ /*
+ * Brainboxes UC-357
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0A81,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0A83,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-368
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C41,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_4_115200 },
+ /*
+ * Brainboxes UC-420/431
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0921,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
pbn_b2_4_115200 },
/*
* Perle PCI-RAS cards
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 6ec34260d6b1..da54f827c5ef 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1615,8 +1615,12 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl)
container_of(port, struct uart_amba_port, port);
unsigned int cr;
- if (port->rs485.flags & SER_RS485_ENABLED)
- mctrl &= ~TIOCM_RTS;
+ if (port->rs485.flags & SER_RS485_ENABLED) {
+ if (port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+ mctrl &= ~TIOCM_RTS;
+ else
+ mctrl |= TIOCM_RTS;
+ }
cr = pl011_read(uap, REG_CR);
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 6cfc3bec6749..2d3fbcbfaf10 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -696,7 +696,7 @@ static void stm32_usart_start_tx(struct uart_port *port)
struct serial_rs485 *rs485conf = &port->rs485;
struct circ_buf *xmit = &port->state->xmit;
- if (uart_circ_empty(xmit))
+ if (uart_circ_empty(xmit) && !port->x_char)
return;
if (rs485conf->flags & SER_RS485_ENABLED) {
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 55c73b1d8704..d00ff98dffab 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -483,11 +483,11 @@ int cdns_drd_exit(struct cdns *cdns)
/* Indicate the cdns3 core was power lost before */
bool cdns_power_is_lost(struct cdns *cdns)
{
- if (cdns->version == CDNS3_CONTROLLER_V1) {
- if (!(readl(&cdns->otg_v1_regs->simulate) & BIT(0)))
+ if (cdns->version == CDNS3_CONTROLLER_V0) {
+ if (!(readl(&cdns->otg_v0_regs->simulate) & BIT(0)))
return true;
} else {
- if (!(readl(&cdns->otg_v0_regs->simulate) & BIT(0)))
+ if (!(readl(&cdns->otg_v1_regs->simulate) & BIT(0)))
return true;
}
return false;
diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index 4169cf40a03b..8f8405b0d608 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -39,8 +39,11 @@ static int ulpi_match(struct device *dev, struct device_driver *driver)
struct ulpi *ulpi = to_ulpi_dev(dev);
const struct ulpi_device_id *id;
- /* Some ULPI devices don't have a vendor id so rely on OF match */
- if (ulpi->id.vendor == 0)
+ /*
+ * Some ULPI devices don't have a vendor id
+ * or provide an id_table so rely on OF match.
+ */
+ if (ulpi->id.vendor == 0 || !drv->id_table)
return of_driver_match_device(dev, driver);
for (id = drv->id_table; id->vendor; id++)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 8948b3bf7622..95d13b9adc13 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1563,6 +1563,13 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
urb->hcpriv = NULL;
INIT_LIST_HEAD(&urb->urb_list);
atomic_dec(&urb->use_count);
+ /*
+ * Order the write of urb->use_count above before the read
+ * of urb->reject below. Pairs with the memory barriers in
+ * usb_kill_urb() and usb_poison_urb().
+ */
+ smp_mb__after_atomic();
+
atomic_dec(&urb->dev->urbnum);
if (atomic_read(&urb->reject))
wake_up(&usb_kill_urb_queue);
@@ -1665,6 +1672,13 @@ static void __usb_hcd_giveback_urb(struct urb *urb)
usb_anchor_resume_wakeups(anchor);
atomic_dec(&urb->use_count);
+ /*
+ * Order the write of urb->use_count above before the read
+ * of urb->reject below. Pairs with the memory barriers in
+ * usb_kill_urb() and usb_poison_urb().
+ */
+ smp_mb__after_atomic();
+
if (unlikely(atomic_read(&urb->reject)))
wake_up(&usb_kill_urb_queue);
usb_put_urb(urb);
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 30727729a44c..33d62d7e3929 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -715,6 +715,12 @@ void usb_kill_urb(struct urb *urb)
if (!(urb && urb->dev && urb->ep))
return;
atomic_inc(&urb->reject);
+ /*
+ * Order the write of urb->reject above before the read
+ * of urb->use_count below. Pairs with the barriers in
+ * __usb_hcd_giveback_urb() and usb_hcd_submit_urb().
+ */
+ smp_mb__after_atomic();
usb_hcd_unlink_urb(urb, -ENOENT);
wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
@@ -756,6 +762,12 @@ void usb_poison_urb(struct urb *urb)
if (!urb)
return;
atomic_inc(&urb->reject);
+ /*
+ * Order the write of urb->reject above before the read
+ * of urb->use_count below. Pairs with the barriers in
+ * __usb_hcd_giveback_urb() and usb_hcd_submit_urb().
+ */
+ smp_mb__after_atomic();
if (!urb->dev || !urb->ep)
return;
diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c
index 9cc3ad701a29..a6f3a9b38789 100644
--- a/drivers/usb/dwc3/dwc3-xilinx.c
+++ b/drivers/usb/dwc3/dwc3-xilinx.c
@@ -99,17 +99,29 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data)
struct device *dev = priv_data->dev;
struct reset_control *crst, *hibrst, *apbrst;
struct phy *usb3_phy;
- int ret;
+ int ret = 0;
u32 reg;
- usb3_phy = devm_phy_get(dev, "usb3-phy");
- if (PTR_ERR(usb3_phy) == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
+ usb3_phy = devm_phy_optional_get(dev, "usb3-phy");
+ if (IS_ERR(usb3_phy)) {
+ ret = PTR_ERR(usb3_phy);
+ dev_err_probe(dev, ret,
+ "failed to get USB3 PHY\n");
goto err;
- } else if (IS_ERR(usb3_phy)) {
- usb3_phy = NULL;
}
+ /*
+ * The following core resets are not required unless a USB3 PHY
+ * is used, and the subsequent register settings are not required
+ * unless a core reset is performed (they should be set properly
+ * by the first-stage boot loader, but may be reverted by a core
+ * reset). They may also break the configuration if USB3 is actually
+ * in use but the usb3-phy entry is missing from the device tree.
+ * Therefore, skip these operations in this case.
+ */
+ if (!usb3_phy)
+ goto skip_usb3_phy;
+
crst = devm_reset_control_get_exclusive(dev, "usb_crst");
if (IS_ERR(crst)) {
ret = PTR_ERR(crst);
@@ -188,6 +200,7 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data)
goto err;
}
+skip_usb3_phy:
/*
* This routes the USB DMA traffic to go through FPD path instead
* of reaching DDR directly. This traffic routing is needed to
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 1abf08e5164a..6803cd60cc6d 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -584,6 +584,7 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in,
if (is_iso) {
switch (speed) {
+ case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
size = ss->isoc_maxpacket *
(ss->isoc_mult + 1) *
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c1edcc9b13ce..dc570ce4e831 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -437,6 +437,9 @@ static int __maybe_unused xhci_plat_suspend(struct device *dev)
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
int ret;
+ if (pm_runtime_suspended(dev))
+ pm_runtime_resume(dev);
+
ret = xhci_priv_suspend_quirk(hcd);
if (ret)
return ret;
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 29191d33c0e3..1a05e3dcfec8 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2301,6 +2301,16 @@ UNUSUAL_DEV( 0x2027, 0xa001, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init,
US_FL_SCM_MULT_TARG ),
+/*
+ * Reported by DocMAX <mail@...harakis.de>
+ * and Thomas Weißschuh <linux@...ssschuh.net>
+ */
+UNUSUAL_DEV( 0x2109, 0x0715, 0x9999, 0x9999,
+ "VIA Labs, Inc.",
+ "VL817 SATA Bridge",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001,
"ST",
"2A",
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 35a1307349a2..e07d26a3cd8e 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -75,9 +75,25 @@ static int tcpci_write16(struct tcpci *tcpci, unsigned int reg, u16 val)
static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+ bool vconn_pres;
+ enum typec_cc_polarity polarity = TYPEC_POLARITY_CC1;
unsigned int reg;
int ret;
+ ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, ®);
+ if (ret < 0)
+ return ret;
+
+ vconn_pres = !!(reg & TCPC_POWER_STATUS_VCONN_PRES);
+ if (vconn_pres) {
+ ret = regmap_read(tcpci->regmap, TCPC_TCPC_CTRL, ®);
+ if (ret < 0)
+ return ret;
+
+ if (reg & TCPC_TCPC_CTRL_ORIENTATION)
+ polarity = TYPEC_POLARITY_CC2;
+ }
+
switch (cc) {
case TYPEC_CC_RA:
reg = (TCPC_ROLE_CTRL_CC_RA << TCPC_ROLE_CTRL_CC1_SHIFT) |
@@ -112,6 +128,16 @@ static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
break;
}
+ if (vconn_pres) {
+ if (polarity == TYPEC_POLARITY_CC2) {
+ reg &= ~(TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT);
+ reg |= (TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC1_SHIFT);
+ } else {
+ reg &= ~(TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT);
+ reg |= (TCPC_ROLE_CTRL_CC_OPEN << TCPC_ROLE_CTRL_CC2_SHIFT);
+ }
+ }
+
ret = regmap_write(tcpci->regmap, TCPC_ROLE_CTRL, reg);
if (ret < 0)
return ret;
diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h
index 2be7a77d400e..b2edd45f13c6 100644
--- a/drivers/usb/typec/tcpm/tcpci.h
+++ b/drivers/usb/typec/tcpm/tcpci.h
@@ -98,6 +98,7 @@
#define TCPC_POWER_STATUS_SOURCING_VBUS BIT(4)
#define TCPC_POWER_STATUS_VBUS_DET BIT(3)
#define TCPC_POWER_STATUS_VBUS_PRES BIT(2)
+#define TCPC_POWER_STATUS_VCONN_PRES BIT(1)
#define TCPC_POWER_STATUS_SINKING_VBUS BIT(0)
#define TCPC_FAULT_STATUS 0x1f
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 59d4fa2443f2..5fce795b69c7 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5156,7 +5156,8 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
case SNK_TRYWAIT_DEBOUNCE:
break;
case SNK_ATTACH_WAIT:
- tcpm_set_state(port, SNK_UNATTACHED, 0);
+ case SNK_DEBOUNCED:
+ /* Do nothing, as TCPM is still waiting for vbus to reaach VSAFE5V to connect */
break;
case SNK_NEGOTIATE_CAPABILITIES:
@@ -5263,6 +5264,10 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
case PR_SWAP_SNK_SRC_SOURCE_ON:
/* Do nothing, vsafe0v is expected during transition */
break;
+ case SNK_ATTACH_WAIT:
+ case SNK_DEBOUNCED:
+ /*Do nothing, still waiting for VSAFE5V for connect */
+ break;
default:
if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled)
tcpm_set_state(port, SNK_UNATTACHED, 0);
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index bff96d64dddf..6db7c8ddd51c 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -325,7 +325,7 @@ static int ucsi_ccg_init(struct ucsi_ccg *uc)
if (status < 0)
return status;
- if (!data)
+ if (!(data & DEV_INT))
return 0;
status = ccg_write(uc, CCGX_RAB_INTR_REG, &data, sizeof(data));
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index 23999df52739..c8e0ea27caf1 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -287,8 +287,6 @@ struct hvfb_par {
static uint screen_width = HVFB_WIDTH;
static uint screen_height = HVFB_HEIGHT;
-static uint screen_width_max = HVFB_WIDTH;
-static uint screen_height_max = HVFB_HEIGHT;
static uint screen_depth;
static uint screen_fb_size;
static uint dio_fb_size; /* FB size for deferred IO */
@@ -582,7 +580,6 @@ static int synthvid_get_supported_resolution(struct hv_device *hdev)
int ret = 0;
unsigned long t;
u8 index;
- int i;
memset(msg, 0, sizeof(struct synthvid_msg));
msg->vid_hdr.type = SYNTHVID_RESOLUTION_REQUEST;
@@ -613,13 +610,6 @@ static int synthvid_get_supported_resolution(struct hv_device *hdev)
goto out;
}
- for (i = 0; i < msg->resolution_resp.resolution_count; i++) {
- screen_width_max = max_t(unsigned int, screen_width_max,
- msg->resolution_resp.supported_resolution[i].width);
- screen_height_max = max_t(unsigned int, screen_height_max,
- msg->resolution_resp.supported_resolution[i].height);
- }
-
screen_width =
msg->resolution_resp.supported_resolution[index].width;
screen_height =
@@ -941,7 +931,7 @@ static void hvfb_get_option(struct fb_info *info)
if (x < HVFB_WIDTH_MIN || y < HVFB_HEIGHT_MIN ||
(synthvid_ver_ge(par->synthvid_version, SYNTHVID_VERSION_WIN10) &&
- (x > screen_width_max || y > screen_height_max)) ||
+ (x * y * screen_depth / 8 > screen_fb_size)) ||
(par->synthvid_version == SYNTHVID_VERSION_WIN8 &&
x * y * screen_depth / 8 > SYNTHVID_FB_SIZE_WIN8) ||
(par->synthvid_version == SYNTHVID_VERSION_WIN7 &&
@@ -1194,8 +1184,8 @@ static int hvfb_probe(struct hv_device *hdev,
}
hvfb_get_option(info);
- pr_info("Screen resolution: %dx%d, Color depth: %d\n",
- screen_width, screen_height, screen_depth);
+ pr_info("Screen resolution: %dx%d, Color depth: %d, Frame buffer size: %d\n",
+ screen_width, screen_height, screen_depth, screen_fb_size);
ret = hvfb_getmem(hdev, info);
if (ret) {
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index edfecfe62b4b..124b9e6815e5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1187,6 +1187,35 @@ static int defrag_collect_targets(struct btrfs_inode *inode,
if (em->generation < newer_than)
goto next;
+ /*
+ * Our start offset might be in the middle of an existing extent
+ * map, so take that into account.
+ */
+ range_len = em->len - (cur - em->start);
+ /*
+ * If this range of the extent map is already flagged for delalloc,
+ * skip it, because:
+ *
+ * 1) We could deadlock later, when trying to reserve space for
+ * delalloc, because in case we can't immediately reserve space
+ * the flusher can start delalloc and wait for the respective
+ * ordered extents to complete. The deadlock would happen
+ * because we do the space reservation while holding the range
+ * locked, and starting writeback, or finishing an ordered
+ * extent, requires locking the range;
+ *
+ * 2) If there's delalloc there, it means there's dirty pages for
+ * which writeback has not started yet (we clean the delalloc
+ * flag when starting writeback and after creating an ordered
+ * extent). If we mark pages in an adjacent range for defrag,
+ * then we will have a larger contiguous range for delalloc,
+ * very likely resulting in a larger extent after writeback is
+ * triggered (except in a case of free space fragmentation).
+ */
+ if (test_range_bit(&inode->io_tree, cur, cur + range_len - 1,
+ EXTENT_DELALLOC, 0, NULL))
+ goto next;
+
/*
* For do_compress case, we want to compress all valid file
* extents, thus no @extent_thresh or mergeable check.
@@ -1195,7 +1224,7 @@ static int defrag_collect_targets(struct btrfs_inode *inode,
goto add;
/* Skip too large extent */
- if (em->len >= extent_thresh)
+ if (range_len >= extent_thresh)
goto next;
next_mergeable = defrag_check_next_extent(&inode->vfs_inode, em,
@@ -1416,9 +1445,11 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
list_for_each_entry(entry, &target_list, list) {
u32 range_len = entry->len;
- /* Reached the limit */
- if (max_sectors && max_sectors == *sectors_defragged)
+ /* Reached or beyond the limit */
+ if (max_sectors && *sectors_defragged >= max_sectors) {
+ ret = 1;
break;
+ }
if (max_sectors)
range_len = min_t(u32, range_len,
@@ -1439,7 +1470,8 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
extent_thresh, newer_than, do_compress);
if (ret < 0)
break;
- *sectors_defragged += range_len;
+ *sectors_defragged += range_len >>
+ inode->root->fs_info->sectorsize_bits;
}
out:
list_for_each_entry_safe(entry, tmp, &target_list, list) {
@@ -1458,6 +1490,12 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
* @newer_than: minimum transid to defrag
* @max_to_defrag: max number of sectors to be defragged, if 0, the whole inode
* will be defragged.
+ *
+ * Return <0 for error.
+ * Return >=0 for the number of sectors defragged, and range->start will be updated
+ * to indicate the file offset where next defrag should be started at.
+ * (Mostly for autodefrag, which sets @max_to_defrag thus we may exit early without
+ * defragging all the range).
*/
int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
struct btrfs_ioctl_defrag_range_args *range,
@@ -1473,6 +1511,7 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
int compress_type = BTRFS_COMPRESS_ZLIB;
int ret = 0;
u32 extent_thresh = range->extent_thresh;
+ pgoff_t start_index;
if (isize == 0)
return 0;
@@ -1492,12 +1531,16 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
if (range->start + range->len > range->start) {
/* Got a specific range */
- last_byte = min(isize, range->start + range->len) - 1;
+ last_byte = min(isize, range->start + range->len);
} else {
/* Defrag until file end */
- last_byte = isize - 1;
+ last_byte = isize;
}
+ /* Align the range */
+ cur = round_down(range->start, fs_info->sectorsize);
+ last_byte = round_up(last_byte, fs_info->sectorsize) - 1;
+
/*
* If we were not given a ra, allocate a readahead context. As
* readahead is just an optimization, defrag will work without it so
@@ -1510,16 +1553,26 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
file_ra_state_init(ra, inode->i_mapping);
}
- /* Align the range */
- cur = round_down(range->start, fs_info->sectorsize);
- last_byte = round_up(last_byte, fs_info->sectorsize) - 1;
+ /*
+ * Make writeback start from the beginning of the range, so that the
+ * defrag range can be written sequentially.
+ */
+ start_index = cur >> PAGE_SHIFT;
+ if (start_index < inode->i_mapping->writeback_index)
+ inode->i_mapping->writeback_index = start_index;
while (cur < last_byte) {
+ const unsigned long prev_sectors_defragged = sectors_defragged;
u64 cluster_end;
/* The cluster size 256K should always be page aligned */
BUILD_BUG_ON(!IS_ALIGNED(CLUSTER_SIZE, PAGE_SIZE));
+ if (btrfs_defrag_cancelled(fs_info)) {
+ ret = -EAGAIN;
+ break;
+ }
+
/* We want the cluster end at page boundary when possible */
cluster_end = (((cur >> PAGE_SHIFT) +
(SZ_256K >> PAGE_SHIFT)) << PAGE_SHIFT) - 1;
@@ -1541,14 +1594,27 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
cluster_end + 1 - cur, extent_thresh,
newer_than, do_compress,
§ors_defragged, max_to_defrag);
+
+ if (sectors_defragged > prev_sectors_defragged)
+ balance_dirty_pages_ratelimited(inode->i_mapping);
+
btrfs_inode_unlock(inode, 0);
if (ret < 0)
break;
cur = cluster_end + 1;
+ if (ret > 0) {
+ ret = 0;
+ break;
+ }
}
if (ra_allocated)
kfree(ra);
+ /*
+ * Update range.start for autodefrag, this will indicate where to start
+ * in next run.
+ */
+ range->start = cur;
if (sectors_defragged) {
/*
* We have defragged some sectors, for compression case they
@@ -3060,10 +3126,8 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
btrfs_inode_lock(inode, 0);
err = btrfs_delete_subvolume(dir, dentry);
btrfs_inode_unlock(inode, 0);
- if (!err) {
- fsnotify_rmdir(dir, dentry);
- d_delete(dentry);
- }
+ if (!err)
+ d_delete_notify(dir, dentry);
out_dput:
dput(dentry);
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index c447fa2e2d1f..2f8696f3b925 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2218,6 +2218,7 @@ static int unsafe_request_wait(struct inode *inode)
struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_mds_request *req1 = NULL, *req2 = NULL;
+ unsigned int max_sessions;
int ret, err = 0;
spin_lock(&ci->i_unsafe_lock);
@@ -2235,37 +2236,45 @@ static int unsafe_request_wait(struct inode *inode)
}
spin_unlock(&ci->i_unsafe_lock);
+ /*
+ * The mdsc->max_sessions is unlikely to be changed
+ * mostly, here we will retry it by reallocating the
+ * sessions array memory to get rid of the mdsc->mutex
+ * lock.
+ */
+retry:
+ max_sessions = mdsc->max_sessions;
+
/*
* Trigger to flush the journal logs in all the relevant MDSes
* manually, or in the worst case we must wait at most 5 seconds
* to wait the journal logs to be flushed by the MDSes periodically.
*/
- if (req1 || req2) {
+ if ((req1 || req2) && likely(max_sessions)) {
struct ceph_mds_session **sessions = NULL;
struct ceph_mds_session *s;
struct ceph_mds_request *req;
- unsigned int max;
int i;
- /*
- * The mdsc->max_sessions is unlikely to be changed
- * mostly, here we will retry it by reallocating the
- * sessions arrary memory to get rid of the mdsc->mutex
- * lock.
- */
-retry:
- max = mdsc->max_sessions;
- sessions = krealloc(sessions, max * sizeof(s), __GFP_ZERO);
- if (!sessions)
- return -ENOMEM;
+ sessions = kzalloc(max_sessions * sizeof(s), GFP_KERNEL);
+ if (!sessions) {
+ err = -ENOMEM;
+ goto out;
+ }
spin_lock(&ci->i_unsafe_lock);
if (req1) {
list_for_each_entry(req, &ci->i_unsafe_dirops,
r_unsafe_dir_item) {
s = req->r_session;
- if (unlikely(s->s_mds >= max)) {
+ if (unlikely(s->s_mds >= max_sessions)) {
spin_unlock(&ci->i_unsafe_lock);
+ for (i = 0; i < max_sessions; i++) {
+ s = sessions[i];
+ if (s)
+ ceph_put_mds_session(s);
+ }
+ kfree(sessions);
goto retry;
}
if (!sessions[s->s_mds]) {
@@ -2278,8 +2287,14 @@ static int unsafe_request_wait(struct inode *inode)
list_for_each_entry(req, &ci->i_unsafe_iops,
r_unsafe_target_item) {
s = req->r_session;
- if (unlikely(s->s_mds >= max)) {
+ if (unlikely(s->s_mds >= max_sessions)) {
spin_unlock(&ci->i_unsafe_lock);
+ for (i = 0; i < max_sessions; i++) {
+ s = sessions[i];
+ if (s)
+ ceph_put_mds_session(s);
+ }
+ kfree(sessions);
goto retry;
}
if (!sessions[s->s_mds]) {
@@ -2300,7 +2315,7 @@ static int unsafe_request_wait(struct inode *inode)
spin_unlock(&ci->i_ceph_lock);
/* send flush mdlog request to MDSes */
- for (i = 0; i < max; i++) {
+ for (i = 0; i < max_sessions; i++) {
s = sessions[i];
if (s) {
send_flush_mdlog(s);
@@ -2317,15 +2332,19 @@ static int unsafe_request_wait(struct inode *inode)
ceph_timeout_jiffies(req1->r_timeout));
if (ret)
err = -EIO;
- ceph_mdsc_put_request(req1);
}
if (req2) {
ret = !wait_for_completion_timeout(&req2->r_safe_completion,
ceph_timeout_jiffies(req2->r_timeout));
if (ret)
err = -EIO;
- ceph_mdsc_put_request(req2);
}
+
+out:
+ if (req1)
+ ceph_mdsc_put_request(req1);
+ if (req2)
+ ceph_mdsc_put_request(req2);
return err;
}
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index c138e8126286..7f3291e027b0 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -579,6 +579,7 @@ static int ceph_finish_async_create(struct inode *dir, struct dentry *dentry,
struct ceph_inode_info *ci = ceph_inode(dir);
struct inode *inode;
struct timespec64 now;
+ struct ceph_string *pool_ns;
struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(dir->i_sb);
struct ceph_vino vino = { .ino = req->r_deleg_ino,
.snap = CEPH_NOSNAP };
@@ -628,6 +629,12 @@ static int ceph_finish_async_create(struct inode *dir, struct dentry *dentry,
in.max_size = cpu_to_le64(lo->stripe_unit);
ceph_file_layout_to_legacy(lo, &in.layout);
+ /* lo is private, so pool_ns can't change */
+ pool_ns = rcu_dereference_raw(lo->pool_ns);
+ if (pool_ns) {
+ iinfo.pool_ns_len = pool_ns->len;
+ iinfo.pool_ns_data = pool_ns->str;
+ }
down_read(&mdsc->snap_rwsem);
ret = ceph_fill_inode(inode, NULL, &iinfo, NULL, req->r_session,
@@ -746,8 +753,10 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
restore_deleg_ino(dir, req->r_deleg_ino);
ceph_mdsc_put_request(req);
try_async = false;
+ ceph_put_string(rcu_dereference_raw(lo.pool_ns));
goto retry;
}
+ ceph_put_string(rcu_dereference_raw(lo.pool_ns));
goto out_req;
}
}
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 1466b5d01cbb..d3cd2a94d1e8 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1780,8 +1780,8 @@ void configfs_unregister_group(struct config_group *group)
configfs_detach_group(&group->cg_item);
d_inode(dentry)->i_flags |= S_DEAD;
dont_mount(dentry);
+ d_drop(dentry);
fsnotify_rmdir(d_inode(parent), dentry);
- d_delete(dentry);
inode_unlock(d_inode(parent));
dput(dentry);
@@ -1922,10 +1922,10 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
configfs_detach_group(&group->cg_item);
d_inode(dentry)->i_flags |= S_DEAD;
dont_mount(dentry);
- fsnotify_rmdir(d_inode(root), dentry);
inode_unlock(d_inode(dentry));
- d_delete(dentry);
+ d_drop(dentry);
+ fsnotify_rmdir(d_inode(root), dentry);
inode_unlock(d_inode(root));
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 42e5a766d33c..4f25015aa534 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -621,8 +621,8 @@ void devpts_pty_kill(struct dentry *dentry)
dentry->d_fsdata = NULL;
drop_nlink(dentry->d_inode);
- fsnotify_unlink(d_inode(dentry->d_parent), dentry);
d_drop(dentry);
+ fsnotify_unlink(d_inode(dentry->d_parent), dentry);
dput(dentry); /* d_alloc_name() in devpts_pty_new() */
}
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 15f303180d70..698db7fb62e0 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -7761,10 +7761,15 @@ static __cold void io_rsrc_node_ref_zero(struct percpu_ref *ref)
struct io_ring_ctx *ctx = node->rsrc_data->ctx;
unsigned long flags;
bool first_add = false;
+ unsigned long delay = HZ;
spin_lock_irqsave(&ctx->rsrc_ref_lock, flags);
node->done = true;
+ /* if we are mid-quiesce then do not delay */
+ if (node->rsrc_data->quiesce)
+ delay = 0;
+
while (!list_empty(&ctx->rsrc_ref_list)) {
node = list_first_entry(&ctx->rsrc_ref_list,
struct io_rsrc_node, node);
@@ -7777,7 +7782,7 @@ static __cold void io_rsrc_node_ref_zero(struct percpu_ref *ref)
spin_unlock_irqrestore(&ctx->rsrc_ref_lock, flags);
if (first_add)
- mod_delayed_work(system_wq, &ctx->rsrc_put_work, HZ);
+ mod_delayed_work(system_wq, &ctx->rsrc_put_work, delay);
}
static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx)
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 35302bc192eb..bd9ac9891604 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2970,6 +2970,7 @@ struct journal_head *jbd2_journal_grab_journal_head(struct buffer_head *bh)
jbd_unlock_bh_journal_head(bh);
return jh;
}
+EXPORT_SYMBOL(jbd2_journal_grab_journal_head);
static void __journal_remove_journal_head(struct buffer_head *bh)
{
@@ -3022,6 +3023,7 @@ void jbd2_journal_put_journal_head(struct journal_head *jh)
jbd_unlock_bh_journal_head(bh);
}
}
+EXPORT_SYMBOL(jbd2_journal_put_journal_head);
/*
* Initialize jbd inode head
diff --git a/fs/namei.c b/fs/namei.c
index 1f9d2187c765..3c0568d3155b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3973,13 +3973,12 @@ int vfs_rmdir(struct user_namespace *mnt_userns, struct inode *dir,
dentry->d_inode->i_flags |= S_DEAD;
dont_mount(dentry);
detach_mounts(dentry);
- fsnotify_rmdir(dir, dentry);
out:
inode_unlock(dentry->d_inode);
dput(dentry);
if (!error)
- d_delete(dentry);
+ d_delete_notify(dir, dentry);
return error;
}
EXPORT_SYMBOL(vfs_rmdir);
@@ -4101,7 +4100,6 @@ int vfs_unlink(struct user_namespace *mnt_userns, struct inode *dir,
if (!error) {
dont_mount(dentry);
detach_mounts(dentry);
- fsnotify_unlink(dir, dentry);
}
}
}
@@ -4109,9 +4107,11 @@ int vfs_unlink(struct user_namespace *mnt_userns, struct inode *dir,
inode_unlock(target);
/* We don't d_delete() NFS sillyrenamed files--they still exist. */
- if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) {
+ if (!error && dentry->d_flags & DCACHE_NFSFS_RENAMED) {
+ fsnotify_unlink(dir, dentry);
+ } else if (!error) {
fsnotify_link_count(target);
- d_delete(dentry);
+ d_delete_notify(dir, dentry);
}
return error;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 731d31015b6a..24ce5652d9be 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1967,6 +1967,24 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
no_open:
res = nfs_lookup(dir, dentry, lookup_flags);
+ if (!res) {
+ inode = d_inode(dentry);
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
+ !S_ISDIR(inode->i_mode))
+ res = ERR_PTR(-ENOTDIR);
+ else if (inode && S_ISREG(inode->i_mode))
+ res = ERR_PTR(-EOPENSTALE);
+ } else if (!IS_ERR(res)) {
+ inode = d_inode(res);
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
+ !S_ISDIR(inode->i_mode)) {
+ dput(res);
+ res = ERR_PTR(-ENOTDIR);
+ } else if (inode && S_ISREG(inode->i_mode)) {
+ dput(res);
+ res = ERR_PTR(-EOPENSTALE);
+ }
+ }
if (switched) {
d_lookup_done(dentry);
if (!res)
@@ -2379,6 +2397,8 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
trace_nfs_link_enter(inode, dir, dentry);
d_drop(dentry);
+ if (S_ISREG(inode->i_mode))
+ nfs_sync_inode(inode);
error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
if (error == 0) {
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
@@ -2468,6 +2488,8 @@ int nfs_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
}
}
+ if (S_ISREG(old_inode->i_mode))
+ nfs_sync_inode(old_inode);
task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL);
if (IS_ERR(task)) {
error = PTR_ERR(task);
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 51a49e0cfe37..d0761ca8cb54 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1249,7 +1249,8 @@ static void nfsdfs_remove_file(struct inode *dir, struct dentry *dentry)
clear_ncl(d_inode(dentry));
dget(dentry);
ret = simple_unlink(dir, dentry);
- d_delete(dentry);
+ d_drop(dentry);
+ fsnotify_unlink(dir, dentry);
dput(dentry);
WARN_ON_ONCE(ret);
}
@@ -1340,8 +1341,8 @@ void nfsd_client_rmdir(struct dentry *dentry)
dget(dentry);
ret = simple_rmdir(dir, dentry);
WARN_ON_ONCE(ret);
+ d_drop(dentry);
fsnotify_rmdir(dir, dentry);
- d_delete(dentry);
dput(dentry);
inode_unlock(dir);
}
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 481017e1dac5..166c8918c825 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1251,26 +1251,23 @@ static int ocfs2_test_bg_bit_allocatable(struct buffer_head *bg_bh,
{
struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;
struct journal_head *jh;
- int ret = 1;
+ int ret;
if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))
return 0;
- if (!buffer_jbd(bg_bh))
+ jh = jbd2_journal_grab_journal_head(bg_bh);
+ if (!jh)
return 1;
- jbd_lock_bh_journal_head(bg_bh);
- if (buffer_jbd(bg_bh)) {
- jh = bh2jh(bg_bh);
- spin_lock(&jh->b_state_lock);
- bg = (struct ocfs2_group_desc *) jh->b_committed_data;
- if (bg)
- ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);
- else
- ret = 1;
- spin_unlock(&jh->b_state_lock);
- }
- jbd_unlock_bh_journal_head(bg_bh);
+ spin_lock(&jh->b_state_lock);
+ bg = (struct ocfs2_group_desc *) jh->b_committed_data;
+ if (bg)
+ ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);
+ else
+ ret = 1;
+ spin_unlock(&jh->b_state_lock);
+ jbd2_journal_put_journal_head(jh);
return ret;
}
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 1d6b7a50736b..ea8f6cd01f50 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -258,10 +258,6 @@ int udf_expand_file_adinicb(struct inode *inode)
char *kaddr;
struct udf_inode_info *iinfo = UDF_I(inode);
int err;
- struct writeback_control udf_wbc = {
- .sync_mode = WB_SYNC_NONE,
- .nr_to_write = 1,
- };
WARN_ON_ONCE(!inode_is_locked(inode));
if (!iinfo->i_lenAlloc) {
@@ -305,8 +301,10 @@ int udf_expand_file_adinicb(struct inode *inode)
iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
+ set_page_dirty(page);
+ unlock_page(page);
up_write(&iinfo->i_data_sem);
- err = inode->i_data.a_ops->writepage(page, &udf_wbc);
+ err = filemap_fdatawrite(inode->i_mapping);
if (err) {
/* Restore everything back so that we don't lose data... */
lock_page(page);
@@ -317,6 +315,7 @@ int udf_expand_file_adinicb(struct inode *inode)
unlock_page(page);
iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
inode->i_data.a_ops = &udf_adinicb_aops;
+ iinfo->i_lenAlloc = inode->i_size;
up_write(&iinfo->i_data_sem);
}
put_page(page);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index bd4370baccca..d73887c805e0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1254,6 +1254,7 @@ unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
void disk_end_io_acct(struct gendisk *disk, unsigned int op,
unsigned long start_time);
+void bio_start_io_acct_time(struct bio *bio, unsigned long start_time);
unsigned long bio_start_io_acct(struct bio *bio);
void bio_end_io_acct_remapped(struct bio *bio, unsigned long start_time,
struct block_device *orig_bdev);
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 845a0ffc16ee..d8f07baf272a 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -95,7 +95,7 @@ struct ethtool_link_ext_state_info {
enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity;
enum ethtool_link_ext_substate_cable_issue cable_issue;
enum ethtool_link_ext_substate_module module;
- u8 __link_ext_substate;
+ u32 __link_ext_substate;
};
};
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 787545e87eeb..bec1e23ecf78 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -221,6 +221,43 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode,
dir, &new_dentry->d_name, 0);
}
+/*
+ * fsnotify_delete - @dentry was unlinked and unhashed
+ *
+ * Caller must make sure that dentry->d_name is stable.
+ *
+ * Note: unlike fsnotify_unlink(), we have to pass also the unlinked inode
+ * as this may be called after d_delete() and old_dentry may be negative.
+ */
+static inline void fsnotify_delete(struct inode *dir, struct inode *inode,
+ struct dentry *dentry)
+{
+ __u32 mask = FS_DELETE;
+
+ if (S_ISDIR(inode->i_mode))
+ mask |= FS_ISDIR;
+
+ fsnotify_name(mask, inode, FSNOTIFY_EVENT_INODE, dir, &dentry->d_name,
+ 0);
+}
+
+/**
+ * d_delete_notify - delete a dentry and call fsnotify_delete()
+ * @dentry: The dentry to delete
+ *
+ * This helper is used to guaranty that the unlinked inode cannot be found
+ * by lookup of this name after fsnotify_delete() event has been delivered.
+ */
+static inline void d_delete_notify(struct inode *dir, struct dentry *dentry)
+{
+ struct inode *inode = d_inode(dentry);
+
+ ihold(inode);
+ d_delete(dentry);
+ fsnotify_delete(dir, inode, dentry);
+ iput(inode);
+}
+
/*
* fsnotify_unlink - 'name' was unlinked
*
@@ -228,10 +265,10 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode,
*/
static inline void fsnotify_unlink(struct inode *dir, struct dentry *dentry)
{
- /* Expected to be called before d_delete() */
- WARN_ON_ONCE(d_is_negative(dentry));
+ if (WARN_ON_ONCE(d_is_negative(dentry)))
+ return;
- fsnotify_dirent(dir, dentry, FS_DELETE);
+ fsnotify_delete(dir, d_inode(dentry), dentry);
}
/*
@@ -255,10 +292,10 @@ static inline void fsnotify_mkdir(struct inode *dir, struct dentry *dentry)
*/
static inline void fsnotify_rmdir(struct inode *dir, struct dentry *dentry)
{
- /* Expected to be called before d_delete() */
- WARN_ON_ONCE(d_is_negative(dentry));
+ if (WARN_ON_ONCE(d_is_negative(dentry)))
+ return;
- fsnotify_dirent(dir, dentry, FS_DELETE | FS_ISDIR);
+ fsnotify_delete(dir, d_inode(dentry), dentry);
}
/*
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index df8de62f4710..f0c7b352340a 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -82,7 +82,7 @@ LSM_HOOK(int, 0, sb_add_mnt_opt, const char *option, const char *val,
int len, void **mnt_opts)
LSM_HOOK(int, 0, move_mount, const struct path *from_path,
const struct path *to_path)
-LSM_HOOK(int, 0, dentry_init_security, struct dentry *dentry,
+LSM_HOOK(int, -EOPNOTSUPP, dentry_init_security, struct dentry *dentry,
int mode, const struct qstr *name, const char **xattr_name,
void **ctx, u32 *ctxlen)
LSM_HOOK(int, 0, dentry_create_files_as, struct dentry *dentry, int mode,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a7e4a9e7d807..73210623bda7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1524,11 +1524,18 @@ static inline u8 page_kasan_tag(const struct page *page)
static inline void page_kasan_tag_set(struct page *page, u8 tag)
{
- if (kasan_enabled()) {
- tag ^= 0xff;
- page->flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
- page->flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
- }
+ unsigned long old_flags, flags;
+
+ if (!kasan_enabled())
+ return;
+
+ tag ^= 0xff;
+ old_flags = READ_ONCE(page->flags);
+ do {
+ flags = old_flags;
+ flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
+ flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
+ } while (unlikely(!try_cmpxchg(&page->flags, &old_flags, flags)));
}
static inline void page_kasan_tag_reset(struct page *page)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6aadcc0ecb5b..6cbefb660fa3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2636,6 +2636,7 @@ struct packet_type {
struct net_device *);
bool (*id_match)(struct packet_type *ptype,
struct sock *sk);
+ struct net *af_packet_net;
void *af_packet_priv;
struct list_head list;
};
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 318c489b735b..d7f927f8c335 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -681,18 +681,6 @@ struct perf_event {
u64 total_time_running;
u64 tstamp;
- /*
- * timestamp shadows the actual context timing but it can
- * be safely used in NMI interrupt context. It reflects the
- * context time as it was when the event was last scheduled in,
- * or when ctx_sched_in failed to schedule the event because we
- * run out of PMC.
- *
- * ctx_time already accounts for ctx->timestamp. Therefore to
- * compute ctx_time for a sample, simply add perf_clock().
- */
- u64 shadow_ctx_time;
-
struct perf_event_attr attr;
u16 header_size;
u16 id_header_size;
@@ -839,6 +827,7 @@ struct perf_event_context {
*/
u64 time;
u64 timestamp;
+ u64 timeoffset;
/*
* These fields let us detect when two contexts have both
@@ -921,6 +910,8 @@ struct bpf_perf_event_data_kern {
struct perf_cgroup_info {
u64 time;
u64 timestamp;
+ u64 timeoffset;
+ int active;
};
struct perf_cgroup {
diff --git a/include/linux/psi.h b/include/linux/psi.h
index 65eb1476ac70..57823b30c2d3 100644
--- a/include/linux/psi.h
+++ b/include/linux/psi.h
@@ -24,18 +24,17 @@ void psi_memstall_enter(unsigned long *flags);
void psi_memstall_leave(unsigned long *flags);
int psi_show(struct seq_file *s, struct psi_group *group, enum psi_res res);
-
-#ifdef CONFIG_CGROUPS
-int psi_cgroup_alloc(struct cgroup *cgrp);
-void psi_cgroup_free(struct cgroup *cgrp);
-void cgroup_move_task(struct task_struct *p, struct css_set *to);
-
struct psi_trigger *psi_trigger_create(struct psi_group *group,
char *buf, size_t nbytes, enum psi_res res);
-void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *t);
+void psi_trigger_destroy(struct psi_trigger *t);
__poll_t psi_trigger_poll(void **trigger_ptr, struct file *file,
poll_table *wait);
+
+#ifdef CONFIG_CGROUPS
+int psi_cgroup_alloc(struct cgroup *cgrp);
+void psi_cgroup_free(struct cgroup *cgrp);
+void cgroup_move_task(struct task_struct *p, struct css_set *to);
#endif
#else /* CONFIG_PSI */
diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h
index 0819c82dba92..6f190002a202 100644
--- a/include/linux/psi_types.h
+++ b/include/linux/psi_types.h
@@ -140,9 +140,6 @@ struct psi_trigger {
* events to one per window
*/
u64 last_event_time;
-
- /* Refcounting to prevent premature destruction */
- struct kref refcount;
};
struct psi_group {
diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h
index 031f148ab373..b5deafd91f67 100644
--- a/include/linux/usb/role.h
+++ b/include/linux/usb/role.h
@@ -91,6 +91,12 @@ fwnode_usb_role_switch_get(struct fwnode_handle *node)
static inline void usb_role_switch_put(struct usb_role_switch *sw) { }
+static inline struct usb_role_switch *
+usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode)
+{
+ return NULL;
+}
+
static inline struct usb_role_switch *
usb_role_switch_register(struct device *parent,
const struct usb_role_switch_desc *desc)
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 78ea3e332688..e7ce719838b5 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -6,6 +6,8 @@
#define RTR_SOLICITATION_INTERVAL (4*HZ)
#define RTR_SOLICITATION_MAX_INTERVAL (3600*HZ) /* 1 hour */
+#define MIN_VALID_LIFETIME (2*3600) /* 2 hours */
+
#define TEMP_VALID_LIFETIME (7*86400)
#define TEMP_PREFERRED_LIFETIME (86400)
#define REGEN_MAX_RETRY (3)
diff --git a/include/net/ip.h b/include/net/ip.h
index b71e88507c4a..ff68af118020 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -525,19 +525,18 @@ static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb,
{
struct iphdr *iph = ip_hdr(skb);
+ /* We had many attacks based on IPID, use the private
+ * generator as much as we can.
+ */
+ if (sk && inet_sk(sk)->inet_daddr) {
+ iph->id = htons(inet_sk(sk)->inet_id);
+ inet_sk(sk)->inet_id += segs;
+ return;
+ }
if ((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) {
- /* This is only to work around buggy Windows95/2000
- * VJ compression implementations. If the ID field
- * does not change, they drop every other packet in
- * a TCP stream using header compression.
- */
- if (sk && inet_sk(sk)->inet_daddr) {
- iph->id = htons(inet_sk(sk)->inet_id);
- inet_sk(sk)->inet_id += segs;
- } else {
- iph->id = 0;
- }
+ iph->id = 0;
} else {
+ /* Unfortunately we need the big hammer to get a suitable IPID */
__ip_select_ident(net, iph, segs);
}
}
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 83b8070d1cc9..c85b040728d7 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -281,7 +281,7 @@ static inline bool fib6_get_cookie_safe(const struct fib6_info *f6i,
fn = rcu_dereference(f6i->fib6_node);
if (fn) {
- *cookie = fn->fn_sernum;
+ *cookie = READ_ONCE(fn->fn_sernum);
/* pairs with smp_wmb() in __fib6_update_sernum_upto_root() */
smp_rmb();
status = true;
diff --git a/include/net/route.h b/include/net/route.h
index 2e6c0e153e3a..2551f3f03b37 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -369,7 +369,7 @@ static inline struct neighbour *ip_neigh_gw4(struct net_device *dev,
{
struct neighbour *neigh;
- neigh = __ipv4_neigh_lookup_noref(dev, daddr);
+ neigh = __ipv4_neigh_lookup_noref(dev, (__force u32)daddr);
if (unlikely(!neigh))
neigh = __neigh_create(&arp_tbl, &daddr, dev, false);
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 7b5dcff84cf2..54eb1654d9ec 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -953,7 +953,8 @@ TRACE_EVENT(rpc_socket_nospace,
{ BIT(XPRT_REMOVE), "REMOVE" }, \
{ BIT(XPRT_CONGESTED), "CONGESTED" }, \
{ BIT(XPRT_CWND_WAIT), "CWND_WAIT" }, \
- { BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" })
+ { BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" }, \
+ { BIT(XPRT_SND_IS_COOKIE), "SND_IS_COOKIE" })
DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
TP_PROTO(
@@ -1150,8 +1151,11 @@ DECLARE_EVENT_CLASS(xprt_writelock_event,
__entry->task_id = -1;
__entry->client_id = -1;
}
- __entry->snd_task_id = xprt->snd_task ?
- xprt->snd_task->tk_pid : -1;
+ if (xprt->snd_task &&
+ !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+ __entry->snd_task_id = xprt->snd_task->tk_pid;
+ else
+ __entry->snd_task_id = -1;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
@@ -1196,8 +1200,12 @@ DECLARE_EVENT_CLASS(xprt_cong_event,
__entry->task_id = -1;
__entry->client_id = -1;
}
- __entry->snd_task_id = xprt->snd_task ?
- xprt->snd_task->tk_pid : -1;
+ if (xprt->snd_task &&
+ !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
+ __entry->snd_task_id = xprt->snd_task->tk_pid;
+ else
+ __entry->snd_task_id = -1;
+
__entry->cong = xprt->cong;
__entry->cwnd = xprt->cwnd;
__entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);
diff --git a/include/uapi/linux/cyclades.h b/include/uapi/linux/cyclades.h
new file mode 100644
index 000000000000..6225c5aebe06
--- /dev/null
+++ b/include/uapi/linux/cyclades.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _UAPI_LINUX_CYCLADES_H
+#define _UAPI_LINUX_CYCLADES_H
+
+#warning "Support for features provided by this header has been removed"
+#warning "Please consider updating your code"
+
+struct cyclades_monitor {
+ unsigned long int_count;
+ unsigned long char_count;
+ unsigned long char_max;
+ unsigned long char_last;
+};
+
+#define CYGETMON 0x435901
+#define CYGETTHRESH 0x435902
+#define CYSETTHRESH 0x435903
+#define CYGETDEFTHRESH 0x435904
+#define CYSETDEFTHRESH 0x435905
+#define CYGETTIMEOUT 0x435906
+#define CYSETTIMEOUT 0x435907
+#define CYGETDEFTIMEOUT 0x435908
+#define CYSETDEFTIMEOUT 0x435909
+#define CYSETRFLOW 0x43590a
+#define CYGETRFLOW 0x43590b
+#define CYSETRTSDTR_INV 0x43590c
+#define CYGETRTSDTR_INV 0x43590d
+#define CYZSETPOLLCYCLE 0x43590e
+#define CYZGETPOLLCYCLE 0x43590f
+#define CYGETCD1400VER 0x435910
+#define CYSETWAIT 0x435912
+#define CYGETWAIT 0x435913
+
+#endif /* _UAPI_LINUX_CYCLADES_H */
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 6e75bbee39f0..0dcaed4d3f4c 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -525,13 +525,14 @@ BPF_CALL_4(bpf_get_task_stack, struct task_struct *, task, void *, buf,
u32, size, u64, flags)
{
struct pt_regs *regs;
- long res;
+ long res = -EINVAL;
if (!try_get_task_stack(task))
return -EFAULT;
regs = task_pt_regs(task);
- res = __bpf_get_stack(regs, task, NULL, buf, size, flags);
+ if (regs)
+ res = __bpf_get_stack(regs, task, NULL, buf, size, flags);
put_task_stack(task);
return res;
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index cafb8c114a21..d18c2ef3180e 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3642,6 +3642,12 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf,
cgroup_get(cgrp);
cgroup_kn_unlock(of->kn);
+ /* Allow only one trigger per file descriptor */
+ if (ctx->psi.trigger) {
+ cgroup_put(cgrp);
+ return -EBUSY;
+ }
+
psi = cgroup_ino(cgrp) == 1 ? &psi_system : &cgrp->psi;
new = psi_trigger_create(psi, buf, nbytes, res);
if (IS_ERR(new)) {
@@ -3649,8 +3655,7 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf,
return PTR_ERR(new);
}
- psi_trigger_replace(&ctx->psi.trigger, new);
-
+ smp_store_release(&ctx->psi.trigger, new);
cgroup_put(cgrp);
return nbytes;
@@ -3689,7 +3694,7 @@ static void cgroup_pressure_release(struct kernfs_open_file *of)
{
struct cgroup_file_ctx *ctx = of->priv;
- psi_trigger_replace(&ctx->psi.trigger, NULL);
+ psi_trigger_destroy(ctx->psi.trigger);
}
bool cgroup_psi_enabled(void)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 63f041466643..6ed890480c4a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -674,6 +674,23 @@ perf_event_set_state(struct perf_event *event, enum perf_event_state state)
WRITE_ONCE(event->state, state);
}
+/*
+ * UP store-release, load-acquire
+ */
+
+#define __store_release(ptr, val) \
+do { \
+ barrier(); \
+ WRITE_ONCE(*(ptr), (val)); \
+} while (0)
+
+#define __load_acquire(ptr) \
+({ \
+ __unqual_scalar_typeof(*(ptr)) ___p = READ_ONCE(*(ptr)); \
+ barrier(); \
+ ___p; \
+})
+
#ifdef CONFIG_CGROUP_PERF
static inline bool
@@ -719,34 +736,51 @@ static inline u64 perf_cgroup_event_time(struct perf_event *event)
return t->time;
}
-static inline void __update_cgrp_time(struct perf_cgroup *cgrp)
+static inline u64 perf_cgroup_event_time_now(struct perf_event *event, u64 now)
{
- struct perf_cgroup_info *info;
- u64 now;
-
- now = perf_clock();
+ struct perf_cgroup_info *t;
- info = this_cpu_ptr(cgrp->info);
+ t = per_cpu_ptr(event->cgrp->info, event->cpu);
+ if (!__load_acquire(&t->active))
+ return t->time;
+ now += READ_ONCE(t->timeoffset);
+ return now;
+}
- info->time += now - info->timestamp;
+static inline void __update_cgrp_time(struct perf_cgroup_info *info, u64 now, bool adv)
+{
+ if (adv)
+ info->time += now - info->timestamp;
info->timestamp = now;
+ /*
+ * see update_context_time()
+ */
+ WRITE_ONCE(info->timeoffset, info->time - info->timestamp);
}
-static inline void update_cgrp_time_from_cpuctx(struct perf_cpu_context *cpuctx)
+static inline void update_cgrp_time_from_cpuctx(struct perf_cpu_context *cpuctx, bool final)
{
struct perf_cgroup *cgrp = cpuctx->cgrp;
struct cgroup_subsys_state *css;
+ struct perf_cgroup_info *info;
if (cgrp) {
+ u64 now = perf_clock();
+
for (css = &cgrp->css; css; css = css->parent) {
cgrp = container_of(css, struct perf_cgroup, css);
- __update_cgrp_time(cgrp);
+ info = this_cpu_ptr(cgrp->info);
+
+ __update_cgrp_time(info, now, true);
+ if (final)
+ __store_release(&info->active, 0);
}
}
}
static inline void update_cgrp_time_from_event(struct perf_event *event)
{
+ struct perf_cgroup_info *info;
struct perf_cgroup *cgrp;
/*
@@ -760,8 +794,10 @@ static inline void update_cgrp_time_from_event(struct perf_event *event)
/*
* Do not update time when cgroup is not active
*/
- if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup))
- __update_cgrp_time(event->cgrp);
+ if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup)) {
+ info = this_cpu_ptr(event->cgrp->info);
+ __update_cgrp_time(info, perf_clock(), true);
+ }
}
static inline void
@@ -785,7 +821,8 @@ perf_cgroup_set_timestamp(struct task_struct *task,
for (css = &cgrp->css; css; css = css->parent) {
cgrp = container_of(css, struct perf_cgroup, css);
info = this_cpu_ptr(cgrp->info);
- info->timestamp = ctx->timestamp;
+ __update_cgrp_time(info, ctx->timestamp, false);
+ __store_release(&info->active, 1);
}
}
@@ -981,14 +1018,6 @@ static inline int perf_cgroup_connect(int fd, struct perf_event *event,
return ret;
}
-static inline void
-perf_cgroup_set_shadow_time(struct perf_event *event, u64 now)
-{
- struct perf_cgroup_info *t;
- t = per_cpu_ptr(event->cgrp->info, event->cpu);
- event->shadow_ctx_time = now - t->timestamp;
-}
-
static inline void
perf_cgroup_event_enable(struct perf_event *event, struct perf_event_context *ctx)
{
@@ -1066,7 +1095,8 @@ static inline void update_cgrp_time_from_event(struct perf_event *event)
{
}
-static inline void update_cgrp_time_from_cpuctx(struct perf_cpu_context *cpuctx)
+static inline void update_cgrp_time_from_cpuctx(struct perf_cpu_context *cpuctx,
+ bool final)
{
}
@@ -1098,12 +1128,12 @@ perf_cgroup_switch(struct task_struct *task, struct task_struct *next)
{
}
-static inline void
-perf_cgroup_set_shadow_time(struct perf_event *event, u64 now)
+static inline u64 perf_cgroup_event_time(struct perf_event *event)
{
+ return 0;
}
-static inline u64 perf_cgroup_event_time(struct perf_event *event)
+static inline u64 perf_cgroup_event_time_now(struct perf_event *event, u64 now)
{
return 0;
}
@@ -1525,22 +1555,59 @@ static void perf_unpin_context(struct perf_event_context *ctx)
/*
* Update the record of the current time in a context.
*/
-static void update_context_time(struct perf_event_context *ctx)
+static void __update_context_time(struct perf_event_context *ctx, bool adv)
{
u64 now = perf_clock();
- ctx->time += now - ctx->timestamp;
+ if (adv)
+ ctx->time += now - ctx->timestamp;
ctx->timestamp = now;
+
+ /*
+ * The above: time' = time + (now - timestamp), can be re-arranged
+ * into: time` = now + (time - timestamp), which gives a single value
+ * offset to compute future time without locks on.
+ *
+ * See perf_event_time_now(), which can be used from NMI context where
+ * it's (obviously) not possible to acquire ctx->lock in order to read
+ * both the above values in a consistent manner.
+ */
+ WRITE_ONCE(ctx->timeoffset, ctx->time - ctx->timestamp);
+}
+
+static void update_context_time(struct perf_event_context *ctx)
+{
+ __update_context_time(ctx, true);
}
static u64 perf_event_time(struct perf_event *event)
{
struct perf_event_context *ctx = event->ctx;
+ if (unlikely(!ctx))
+ return 0;
+
if (is_cgroup_event(event))
return perf_cgroup_event_time(event);
- return ctx ? ctx->time : 0;
+ return ctx->time;
+}
+
+static u64 perf_event_time_now(struct perf_event *event, u64 now)
+{
+ struct perf_event_context *ctx = event->ctx;
+
+ if (unlikely(!ctx))
+ return 0;
+
+ if (is_cgroup_event(event))
+ return perf_cgroup_event_time_now(event, now);
+
+ if (!(__load_acquire(&ctx->is_active) & EVENT_TIME))
+ return ctx->time;
+
+ now += READ_ONCE(ctx->timeoffset);
+ return now;
}
static enum event_type_t get_event_type(struct perf_event *event)
@@ -2346,7 +2413,7 @@ __perf_remove_from_context(struct perf_event *event,
if (ctx->is_active & EVENT_TIME) {
update_context_time(ctx);
- update_cgrp_time_from_cpuctx(cpuctx);
+ update_cgrp_time_from_cpuctx(cpuctx, false);
}
event_sched_out(event, cpuctx, ctx);
@@ -2357,6 +2424,9 @@ __perf_remove_from_context(struct perf_event *event,
list_del_event(event, ctx);
if (!ctx->nr_events && ctx->is_active) {
+ if (ctx == &cpuctx->ctx)
+ update_cgrp_time_from_cpuctx(cpuctx, true);
+
ctx->is_active = 0;
ctx->rotate_necessary = 0;
if (ctx->task) {
@@ -2388,7 +2458,11 @@ static void perf_remove_from_context(struct perf_event *event, unsigned long fla
* event_function_call() user.
*/
raw_spin_lock_irq(&ctx->lock);
- if (!ctx->is_active) {
+ /*
+ * Cgroup events are per-cpu events, and must IPI because of
+ * cgrp_cpuctx_list.
+ */
+ if (!ctx->is_active && !is_cgroup_event(event)) {
__perf_remove_from_context(event, __get_cpu_context(ctx),
ctx, (void *)flags);
raw_spin_unlock_irq(&ctx->lock);
@@ -2478,40 +2552,6 @@ void perf_event_disable_inatomic(struct perf_event *event)
irq_work_queue(&event->pending);
}
-static void perf_set_shadow_time(struct perf_event *event,
- struct perf_event_context *ctx)
-{
- /*
- * use the correct time source for the time snapshot
- *
- * We could get by without this by leveraging the
- * fact that to get to this function, the caller
- * has most likely already called update_context_time()
- * and update_cgrp_time_xx() and thus both timestamp
- * are identical (or very close). Given that tstamp is,
- * already adjusted for cgroup, we could say that:
- * tstamp - ctx->timestamp
- * is equivalent to
- * tstamp - cgrp->timestamp.
- *
- * Then, in perf_output_read(), the calculation would
- * work with no changes because:
- * - event is guaranteed scheduled in
- * - no scheduled out in between
- * - thus the timestamp would be the same
- *
- * But this is a bit hairy.
- *
- * So instead, we have an explicit cgroup call to remain
- * within the time source all along. We believe it
- * is cleaner and simpler to understand.
- */
- if (is_cgroup_event(event))
- perf_cgroup_set_shadow_time(event, event->tstamp);
- else
- event->shadow_ctx_time = event->tstamp - ctx->timestamp;
-}
-
#define MAX_INTERRUPTS (~0ULL)
static void perf_log_throttle(struct perf_event *event, int enable);
@@ -2552,8 +2592,6 @@ event_sched_in(struct perf_event *event,
perf_pmu_disable(event->pmu);
- perf_set_shadow_time(event, ctx);
-
perf_log_itrace_start(event);
if (event->pmu->add(event, PERF_EF_START)) {
@@ -2857,11 +2895,14 @@ perf_install_in_context(struct perf_event_context *ctx,
* perf_event_attr::disabled events will not run and can be initialized
* without IPI. Except when this is the first event for the context, in
* that case we need the magic of the IPI to set ctx->is_active.
+ * Similarly, cgroup events for the context also needs the IPI to
+ * manipulate the cgrp_cpuctx_list.
*
* The IOC_ENABLE that is sure to follow the creation of a disabled
* event will issue the IPI and reprogram the hardware.
*/
- if (__perf_effective_state(event) == PERF_EVENT_STATE_OFF && ctx->nr_events) {
+ if (__perf_effective_state(event) == PERF_EVENT_STATE_OFF &&
+ ctx->nr_events && !is_cgroup_event(event)) {
raw_spin_lock_irq(&ctx->lock);
if (ctx->task == TASK_TOMBSTONE) {
raw_spin_unlock_irq(&ctx->lock);
@@ -3247,16 +3288,6 @@ static void ctx_sched_out(struct perf_event_context *ctx,
return;
}
- ctx->is_active &= ~event_type;
- if (!(ctx->is_active & EVENT_ALL))
- ctx->is_active = 0;
-
- if (ctx->task) {
- WARN_ON_ONCE(cpuctx->task_ctx != ctx);
- if (!ctx->is_active)
- cpuctx->task_ctx = NULL;
- }
-
/*
* Always update time if it was set; not only when it changes.
* Otherwise we can 'forget' to update time for any but the last
@@ -3270,7 +3301,22 @@ static void ctx_sched_out(struct perf_event_context *ctx,
if (is_active & EVENT_TIME) {
/* update (and stop) ctx time */
update_context_time(ctx);
- update_cgrp_time_from_cpuctx(cpuctx);
+ update_cgrp_time_from_cpuctx(cpuctx, ctx == &cpuctx->ctx);
+ /*
+ * CPU-release for the below ->is_active store,
+ * see __load_acquire() in perf_event_time_now()
+ */
+ barrier();
+ }
+
+ ctx->is_active &= ~event_type;
+ if (!(ctx->is_active & EVENT_ALL))
+ ctx->is_active = 0;
+
+ if (ctx->task) {
+ WARN_ON_ONCE(cpuctx->task_ctx != ctx);
+ if (!ctx->is_active)
+ cpuctx->task_ctx = NULL;
}
is_active ^= ctx->is_active; /* changed bits */
@@ -3707,13 +3753,19 @@ static noinline int visit_groups_merge(struct perf_cpu_context *cpuctx,
return 0;
}
+/*
+ * Because the userpage is strictly per-event (there is no concept of context,
+ * so there cannot be a context indirection), every userpage must be updated
+ * when context time starts :-(
+ *
+ * IOW, we must not miss EVENT_TIME edges.
+ */
static inline bool event_update_userpage(struct perf_event *event)
{
if (likely(!atomic_read(&event->mmap_count)))
return false;
perf_event_update_time(event);
- perf_set_shadow_time(event, event->ctx);
perf_event_update_userpage(event);
return true;
@@ -3797,13 +3849,23 @@ ctx_sched_in(struct perf_event_context *ctx,
struct task_struct *task)
{
int is_active = ctx->is_active;
- u64 now;
lockdep_assert_held(&ctx->lock);
if (likely(!ctx->nr_events))
return;
+ if (is_active ^ EVENT_TIME) {
+ /* start ctx time */
+ __update_context_time(ctx, false);
+ perf_cgroup_set_timestamp(task, ctx);
+ /*
+ * CPU-release for the below ->is_active store,
+ * see __load_acquire() in perf_event_time_now()
+ */
+ barrier();
+ }
+
ctx->is_active |= (event_type | EVENT_TIME);
if (ctx->task) {
if (!is_active)
@@ -3814,13 +3876,6 @@ ctx_sched_in(struct perf_event_context *ctx,
is_active ^= ctx->is_active; /* changed bits */
- if (is_active & EVENT_TIME) {
- /* start ctx time */
- now = perf_clock();
- ctx->timestamp = now;
- perf_cgroup_set_timestamp(task, ctx);
- }
-
/*
* First go through the list and put on any pinned groups
* in order to give them the best chance of going on.
@@ -4414,6 +4469,18 @@ static inline u64 perf_event_count(struct perf_event *event)
return local64_read(&event->count) + atomic64_read(&event->child_count);
}
+static void calc_timer_values(struct perf_event *event,
+ u64 *now,
+ u64 *enabled,
+ u64 *running)
+{
+ u64 ctx_time;
+
+ *now = perf_clock();
+ ctx_time = perf_event_time_now(event, *now);
+ __perf_update_times(event, ctx_time, enabled, running);
+}
+
/*
* NMI-safe method to read a local event, that is an event that
* is:
@@ -4473,10 +4540,9 @@ int perf_event_read_local(struct perf_event *event, u64 *value,
*value = local64_read(&event->count);
if (enabled || running) {
- u64 now = event->shadow_ctx_time + perf_clock();
- u64 __enabled, __running;
+ u64 __enabled, __running, __now;;
- __perf_update_times(event, now, &__enabled, &__running);
+ calc_timer_values(event, &__now, &__enabled, &__running);
if (enabled)
*enabled = __enabled;
if (running)
@@ -5798,18 +5864,6 @@ static int perf_event_index(struct perf_event *event)
return event->pmu->event_idx(event);
}
-static void calc_timer_values(struct perf_event *event,
- u64 *now,
- u64 *enabled,
- u64 *running)
-{
- u64 ctx_time;
-
- *now = perf_clock();
- ctx_time = event->shadow_ctx_time + *now;
- __perf_update_times(event, ctx_time, enabled, running);
-}
-
static void perf_event_init_userpage(struct perf_event *event)
{
struct perf_event_mmap_page *userpg;
@@ -6349,7 +6403,6 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
ring_buffer_attach(event, rb);
perf_event_update_time(event);
- perf_set_shadow_time(event, event->ctx);
perf_event_init_userpage(event);
perf_event_update_userpage(event);
} else {
diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c
index 105df4dfc783..52571dcad768 100644
--- a/kernel/power/wakelock.c
+++ b/kernel/power/wakelock.c
@@ -39,23 +39,20 @@ ssize_t pm_show_wakelocks(char *buf, bool show_active)
{
struct rb_node *node;
struct wakelock *wl;
- char *str = buf;
- char *end = buf + PAGE_SIZE;
+ int len = 0;
mutex_lock(&wakelocks_lock);
for (node = rb_first(&wakelocks_tree); node; node = rb_next(node)) {
wl = rb_entry(node, struct wakelock, node);
if (wl->ws->active == show_active)
- str += scnprintf(str, end - str, "%s ", wl->name);
+ len += sysfs_emit_at(buf, len, "%s ", wl->name);
}
- if (str > buf)
- str--;
- str += scnprintf(str, end - str, "\n");
+ len += sysfs_emit_at(buf, len, "\n");
mutex_unlock(&wakelocks_lock);
- return (str - buf);
+ return len;
}
#if CONFIG_PM_WAKELOCKS_LIMIT > 0
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index f2cf047b25e5..069e01772d92 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3382,7 +3382,6 @@ void set_task_rq_fair(struct sched_entity *se,
se->avg.last_update_time = n_last_update_time;
}
-
/*
* When on migration a sched_entity joins/leaves the PELT hierarchy, we need to
* propagate its contribution. The key to this propagation is the invariant
@@ -3450,7 +3449,6 @@ void set_task_rq_fair(struct sched_entity *se,
* XXX: only do this for the part of runnable > running ?
*
*/
-
static inline void
update_tg_cfs_util(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq)
{
@@ -3682,7 +3680,19 @@ update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
r = removed_util;
sub_positive(&sa->util_avg, r);
- sa->util_sum = sa->util_avg * divider;
+ sub_positive(&sa->util_sum, r * divider);
+ /*
+ * Because of rounding, se->util_sum might ends up being +1 more than
+ * cfs->util_sum. Although this is not a problem by itself, detaching
+ * a lot of tasks with the rounding problem between 2 updates of
+ * util_avg (~1ms) can make cfs->util_sum becoming null whereas
+ * cfs_util_avg is not.
+ * Check that util_sum is still above its lower bound for the new
+ * util_avg. Given that period_contrib might have moved since the last
+ * sync, we are only sure that util_sum must be above or equal to
+ * util_avg * minimum possible divider
+ */
+ sa->util_sum = max_t(u32, sa->util_sum, sa->util_avg * PELT_MIN_DIVIDER);
r = removed_runnable;
sub_positive(&sa->runnable_avg, r);
diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c
index b5add64d9698..3d2825408e3a 100644
--- a/kernel/sched/membarrier.c
+++ b/kernel/sched/membarrier.c
@@ -147,11 +147,11 @@
#endif
#ifdef CONFIG_RSEQ
-#define MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ_BITMASK \
+#define MEMBARRIER_PRIVATE_EXPEDITED_RSEQ_BITMASK \
(MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ \
- | MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ_BITMASK)
+ | MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ)
#else
-#define MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ_BITMASK 0
+#define MEMBARRIER_PRIVATE_EXPEDITED_RSEQ_BITMASK 0
#endif
#define MEMBARRIER_CMD_BITMASK \
@@ -159,7 +159,8 @@
| MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED \
| MEMBARRIER_CMD_PRIVATE_EXPEDITED \
| MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED \
- | MEMBARRIER_PRIVATE_EXPEDITED_SYNC_CORE_BITMASK)
+ | MEMBARRIER_PRIVATE_EXPEDITED_SYNC_CORE_BITMASK \
+ | MEMBARRIER_PRIVATE_EXPEDITED_RSEQ_BITMASK)
static void ipi_mb(void *info)
{
diff --git a/kernel/sched/pelt.h b/kernel/sched/pelt.h
index e06071bf3472..c336f5f481bc 100644
--- a/kernel/sched/pelt.h
+++ b/kernel/sched/pelt.h
@@ -37,9 +37,11 @@ update_irq_load_avg(struct rq *rq, u64 running)
}
#endif
+#define PELT_MIN_DIVIDER (LOAD_AVG_MAX - 1024)
+
static inline u32 get_pelt_divider(struct sched_avg *avg)
{
- return LOAD_AVG_MAX - 1024 + avg->period_contrib;
+ return PELT_MIN_DIVIDER + avg->period_contrib;
}
static inline void cfs_se_util_change(struct sched_avg *avg)
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 69b19d3af690..422f3b0445cf 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -1082,44 +1082,6 @@ int psi_show(struct seq_file *m, struct psi_group *group, enum psi_res res)
return 0;
}
-static int psi_io_show(struct seq_file *m, void *v)
-{
- return psi_show(m, &psi_system, PSI_IO);
-}
-
-static int psi_memory_show(struct seq_file *m, void *v)
-{
- return psi_show(m, &psi_system, PSI_MEM);
-}
-
-static int psi_cpu_show(struct seq_file *m, void *v)
-{
- return psi_show(m, &psi_system, PSI_CPU);
-}
-
-static int psi_open(struct file *file, int (*psi_show)(struct seq_file *, void *))
-{
- if (file->f_mode & FMODE_WRITE && !capable(CAP_SYS_RESOURCE))
- return -EPERM;
-
- return single_open(file, psi_show, NULL);
-}
-
-static int psi_io_open(struct inode *inode, struct file *file)
-{
- return psi_open(file, psi_io_show);
-}
-
-static int psi_memory_open(struct inode *inode, struct file *file)
-{
- return psi_open(file, psi_memory_show);
-}
-
-static int psi_cpu_open(struct inode *inode, struct file *file)
-{
- return psi_open(file, psi_cpu_show);
-}
-
struct psi_trigger *psi_trigger_create(struct psi_group *group,
char *buf, size_t nbytes, enum psi_res res)
{
@@ -1162,7 +1124,6 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group,
t->event = 0;
t->last_event_time = 0;
init_waitqueue_head(&t->event_wait);
- kref_init(&t->refcount);
mutex_lock(&group->trigger_lock);
@@ -1191,15 +1152,19 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group,
return t;
}
-static void psi_trigger_destroy(struct kref *ref)
+void psi_trigger_destroy(struct psi_trigger *t)
{
- struct psi_trigger *t = container_of(ref, struct psi_trigger, refcount);
- struct psi_group *group = t->group;
+ struct psi_group *group;
struct task_struct *task_to_destroy = NULL;
- if (static_branch_likely(&psi_disabled))
+ /*
+ * We do not check psi_disabled since it might have been disabled after
+ * the trigger got created.
+ */
+ if (!t)
return;
+ group = t->group;
/*
* Wakeup waiters to stop polling. Can happen if cgroup is deleted
* from under a polling process.
@@ -1235,9 +1200,9 @@ static void psi_trigger_destroy(struct kref *ref)
mutex_unlock(&group->trigger_lock);
/*
- * Wait for both *trigger_ptr from psi_trigger_replace and
- * poll_task RCUs to complete their read-side critical sections
- * before destroying the trigger and optionally the poll_task
+ * Wait for psi_schedule_poll_work RCU to complete its read-side
+ * critical section before destroying the trigger and optionally the
+ * poll_task.
*/
synchronize_rcu();
/*
@@ -1254,18 +1219,6 @@ static void psi_trigger_destroy(struct kref *ref)
kfree(t);
}
-void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *new)
-{
- struct psi_trigger *old = *trigger_ptr;
-
- if (static_branch_likely(&psi_disabled))
- return;
-
- rcu_assign_pointer(*trigger_ptr, new);
- if (old)
- kref_put(&old->refcount, psi_trigger_destroy);
-}
-
__poll_t psi_trigger_poll(void **trigger_ptr,
struct file *file, poll_table *wait)
{
@@ -1275,27 +1228,57 @@ __poll_t psi_trigger_poll(void **trigger_ptr,
if (static_branch_likely(&psi_disabled))
return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI;
- rcu_read_lock();
-
- t = rcu_dereference(*(void __rcu __force **)trigger_ptr);
- if (!t) {
- rcu_read_unlock();
+ t = smp_load_acquire(trigger_ptr);
+ if (!t)
return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI;
- }
- kref_get(&t->refcount);
-
- rcu_read_unlock();
poll_wait(file, &t->event_wait, wait);
if (cmpxchg(&t->event, 1, 0) == 1)
ret |= EPOLLPRI;
- kref_put(&t->refcount, psi_trigger_destroy);
-
return ret;
}
+#ifdef CONFIG_PROC_FS
+static int psi_io_show(struct seq_file *m, void *v)
+{
+ return psi_show(m, &psi_system, PSI_IO);
+}
+
+static int psi_memory_show(struct seq_file *m, void *v)
+{
+ return psi_show(m, &psi_system, PSI_MEM);
+}
+
+static int psi_cpu_show(struct seq_file *m, void *v)
+{
+ return psi_show(m, &psi_system, PSI_CPU);
+}
+
+static int psi_open(struct file *file, int (*psi_show)(struct seq_file *, void *))
+{
+ if (file->f_mode & FMODE_WRITE && !capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
+ return single_open(file, psi_show, NULL);
+}
+
+static int psi_io_open(struct inode *inode, struct file *file)
+{
+ return psi_open(file, psi_io_show);
+}
+
+static int psi_memory_open(struct inode *inode, struct file *file)
+{
+ return psi_open(file, psi_memory_show);
+}
+
+static int psi_cpu_open(struct inode *inode, struct file *file)
+{
+ return psi_open(file, psi_cpu_show);
+}
+
static ssize_t psi_write(struct file *file, const char __user *user_buf,
size_t nbytes, enum psi_res res)
{
@@ -1316,14 +1299,24 @@ static ssize_t psi_write(struct file *file, const char __user *user_buf,
buf[buf_size - 1] = '\0';
- new = psi_trigger_create(&psi_system, buf, nbytes, res);
- if (IS_ERR(new))
- return PTR_ERR(new);
-
seq = file->private_data;
+
/* Take seq->lock to protect seq->private from concurrent writes */
mutex_lock(&seq->lock);
- psi_trigger_replace(&seq->private, new);
+
+ /* Allow only one trigger per file descriptor */
+ if (seq->private) {
+ mutex_unlock(&seq->lock);
+ return -EBUSY;
+ }
+
+ new = psi_trigger_create(&psi_system, buf, nbytes, res);
+ if (IS_ERR(new)) {
+ mutex_unlock(&seq->lock);
+ return PTR_ERR(new);
+ }
+
+ smp_store_release(&seq->private, new);
mutex_unlock(&seq->lock);
return nbytes;
@@ -1358,7 +1351,7 @@ static int psi_fop_release(struct inode *inode, struct file *file)
{
struct seq_file *seq = file->private_data;
- psi_trigger_replace(&seq->private, NULL);
+ psi_trigger_destroy(seq->private);
return single_release(inode, file);
}
@@ -1400,3 +1393,5 @@ static int __init psi_proc_init(void)
return 0;
}
module_init(psi_proc_init);
+
+#endif /* CONFIG_PROC_FS */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 78ea542ce3bc..ae9f9e4af931 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7734,7 +7734,8 @@ static struct tracing_log_err *get_tracing_log_err(struct trace_array *tr)
err = kzalloc(sizeof(*err), GFP_KERNEL);
if (!err)
err = ERR_PTR(-ENOMEM);
- tr->n_err_log_entries++;
+ else
+ tr->n_err_log_entries++;
return err;
}
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 319f9c8ca7e7..e697bfedac2f 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -2487,6 +2487,8 @@ static struct hist_field *parse_unary(struct hist_trigger_data *hist_data,
(HIST_FIELD_FL_TIMESTAMP | HIST_FIELD_FL_TIMESTAMP_USECS);
expr->fn = hist_field_unary_minus;
expr->operands[0] = operand1;
+ expr->size = operand1->size;
+ expr->is_signed = operand1->is_signed;
expr->operator = FIELD_OP_UNARY_MINUS;
expr->name = expr_str(expr, 0);
expr->type = kstrdup_const(operand1->type, GFP_KERNEL);
@@ -2703,6 +2705,7 @@ static struct hist_field *parse_expr(struct hist_trigger_data *hist_data,
/* The operand sizes should be the same, so just pick one */
expr->size = operand1->size;
+ expr->is_signed = operand1->is_signed;
expr->operator = field_op;
expr->type = kstrdup_const(operand1->type, GFP_KERNEL);
@@ -3919,6 +3922,7 @@ static int trace_action_create(struct hist_trigger_data *hist_data,
var_ref_idx = find_var_ref_idx(hist_data, var_ref);
if (WARN_ON(var_ref_idx < 0)) {
+ kfree(p);
ret = var_ref_idx;
goto err;
}
diff --git a/kernel/ucount.c b/kernel/ucount.c
index 7b32c356ebc5..65b597431c86 100644
--- a/kernel/ucount.c
+++ b/kernel/ucount.c
@@ -190,6 +190,7 @@ struct ucounts *alloc_ucounts(struct user_namespace *ns, kuid_t uid)
kfree(new);
} else {
hlist_add_head(&new->node, hashent);
+ get_user_ns(new->ns);
spin_unlock_irq(&ucounts_lock);
return new;
}
@@ -210,6 +211,7 @@ void put_ucounts(struct ucounts *ucounts)
if (atomic_dec_and_lock_irqsave(&ucounts->count, &ucounts_lock, flags)) {
hlist_del_init(&ucounts->node);
spin_unlock_irqrestore(&ucounts_lock, flags);
+ put_user_ns(ucounts->ns);
kfree(ucounts);
}
}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 8882c6dfb48f..816a0f6823a3 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -5822,6 +5822,11 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
struct hci_ev_le_advertising_info *ev = ptr;
s8 rssi;
+ if (ptr > (void *)skb_tail_pointer(skb) - sizeof(*ev)) {
+ bt_dev_err(hdev, "Malicious advertising data.");
+ break;
+ }
+
if (ev->length <= HCI_MAX_AD_LENGTH &&
ev->data + ev->length <= skb_tail_pointer(skb)) {
rssi = ev->data[ev->length];
@@ -5833,11 +5838,6 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
}
ptr += sizeof(*ev) + ev->length + 1;
-
- if (ptr > (void *) skb_tail_pointer(skb) - sizeof(*ev)) {
- bt_dev_err(hdev, "Malicious advertising data. Stopping processing");
- break;
- }
}
hci_dev_unlock(hdev);
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 49e105e0a447..f02351b4acac 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -560,10 +560,10 @@ static bool __allowed_ingress(const struct net_bridge *br,
!br_opt_get(br, BROPT_VLAN_STATS_ENABLED)) {
if (*state == BR_STATE_FORWARDING) {
*state = br_vlan_get_pvid_state(vg);
- return br_vlan_state_allowed(*state, true);
- } else {
- return true;
+ if (!br_vlan_state_allowed(*state, true))
+ goto drop;
}
+ return true;
}
}
v = br_vlan_find(vg, *vid);
@@ -2020,7 +2020,8 @@ static int br_vlan_rtm_dump(struct sk_buff *skb, struct netlink_callback *cb)
goto out_err;
}
err = br_vlan_dump_dev(dev, skb, cb, dump_flags);
- if (err && err != -EMSGSIZE)
+ /* if the dump completed without an error we return 0 here */
+ if (err != -EMSGSIZE)
goto out_err;
} else {
for_each_netdev_rcu(net, dev) {
diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
index d8b9dbabd4a4..88cc0ad7d386 100644
--- a/net/core/net-procfs.c
+++ b/net/core/net-procfs.c
@@ -190,12 +190,23 @@ static const struct seq_operations softnet_seq_ops = {
.show = softnet_seq_show,
};
-static void *ptype_get_idx(loff_t pos)
+static void *ptype_get_idx(struct seq_file *seq, loff_t pos)
{
+ struct list_head *ptype_list = NULL;
struct packet_type *pt = NULL;
+ struct net_device *dev;
loff_t i = 0;
int t;
+ for_each_netdev_rcu(seq_file_net(seq), dev) {
+ ptype_list = &dev->ptype_all;
+ list_for_each_entry_rcu(pt, ptype_list, list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+ }
+
list_for_each_entry_rcu(pt, &ptype_all, list) {
if (i == pos)
return pt;
@@ -216,22 +227,40 @@ static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(RCU)
{
rcu_read_lock();
- return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
+ return *pos ? ptype_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
}
static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
+ struct net_device *dev;
struct packet_type *pt;
struct list_head *nxt;
int hash;
++*pos;
if (v == SEQ_START_TOKEN)
- return ptype_get_idx(0);
+ return ptype_get_idx(seq, 0);
pt = v;
nxt = pt->list.next;
+ if (pt->dev) {
+ if (nxt != &pt->dev->ptype_all)
+ goto found;
+
+ dev = pt->dev;
+ for_each_netdev_continue_rcu(seq_file_net(seq), dev) {
+ if (!list_empty(&dev->ptype_all)) {
+ nxt = dev->ptype_all.next;
+ goto found;
+ }
+ }
+
+ nxt = ptype_all.next;
+ goto ptype_all;
+ }
+
if (pt->type == htons(ETH_P_ALL)) {
+ptype_all:
if (nxt != &ptype_all)
goto found;
hash = 0;
@@ -260,7 +289,8 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN)
seq_puts(seq, "Type Device Function\n");
- else if (pt->dev == NULL || dev_net(pt->dev) == seq_file_net(seq)) {
+ else if ((!pt->af_packet_net || net_eq(pt->af_packet_net, seq_file_net(seq))) &&
+ (!pt->dev || net_eq(dev_net(pt->dev), seq_file_net(seq)))) {
if (pt->type == htons(ETH_P_ALL))
seq_puts(seq, "ALL ");
else
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9bca57ef8b83..a4d2eb691cbc 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -162,12 +162,19 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk,
iph->daddr = (opt && opt->opt.srr ? opt->opt.faddr : daddr);
iph->saddr = saddr;
iph->protocol = sk->sk_protocol;
- if (ip_dont_fragment(sk, &rt->dst)) {
+ /* Do not bother generating IPID for small packets (eg SYNACK) */
+ if (skb->len <= IPV4_MIN_MTU || ip_dont_fragment(sk, &rt->dst)) {
iph->frag_off = htons(IP_DF);
iph->id = 0;
} else {
iph->frag_off = 0;
- __ip_select_ident(net, iph, 1);
+ /* TCP packets here are SYNACK with fat IPv4/TCP options.
+ * Avoid using the hashed IP ident generator.
+ */
+ if (sk->sk_protocol == IPPROTO_TCP)
+ iph->id = (__force __be16)prandom_u32();
+ else
+ __ip_select_ident(net, iph, 1);
}
if (opt && opt->opt.optlen) {
@@ -826,15 +833,24 @@ int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
/* Everything is OK. Generate! */
ip_fraglist_init(skb, iph, hlen, &iter);
- if (iter.frag)
- ip_options_fragment(iter.frag);
-
for (;;) {
/* Prepare header of the next frame,
* before previous one went down. */
if (iter.frag) {
+ bool first_frag = (iter.offset == 0);
+
IPCB(iter.frag)->flags = IPCB(skb)->flags;
ip_fraglist_prepare(skb, &iter);
+ if (first_frag && IPCB(skb)->opt.optlen) {
+ /* ipcb->opt is not populated for frags
+ * coming from __ip_make_skb(),
+ * ip_options_fragment() needs optlen
+ */
+ IPCB(iter.frag)->opt.optlen =
+ IPCB(skb)->opt.optlen;
+ ip_options_fragment(iter.frag);
+ ip_send_check(iter.iph);
+ }
}
skb->tstamp = tstamp;
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 1e44a43acfe2..086822cb1cc9 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -220,7 +220,8 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
continue;
}
- if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)
+ if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif &&
+ sk->sk_bound_dev_if != inet_sdif(skb))
continue;
sock_hold(sk);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index bb446e60cf58..b8689052079c 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -721,6 +721,7 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
int ret = -EINVAL;
int chk_addr_ret;
+ lock_sock(sk);
if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
goto out;
@@ -740,7 +741,9 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
inet->inet_saddr = 0; /* Use device */
sk_dst_reset(sk);
ret = 0;
-out: return ret;
+out:
+ release_sock(sk);
+ return ret;
}
/*
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3445f8017430..87961f1d9959 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2589,7 +2589,7 @@ int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
__u32 valid_lft, u32 prefered_lft)
{
struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1);
- int create = 0;
+ int create = 0, update_lft = 0;
if (!ifp && valid_lft) {
int max_addresses = in6_dev->cnf.max_addresses;
@@ -2633,19 +2633,32 @@ int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
unsigned long now;
u32 stored_lft;
- /* Update lifetime (RFC4862 5.5.3 e)
- * We deviate from RFC4862 by honoring all Valid Lifetimes to
- * improve the reaction of SLAAC to renumbering events
- * (draft-gont-6man-slaac-renum-06, Section 4.2)
- */
+ /* update lifetime (RFC2462 5.5.3 e) */
spin_lock_bh(&ifp->lock);
now = jiffies;
if (ifp->valid_lft > (now - ifp->tstamp) / HZ)
stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ;
else
stored_lft = 0;
-
if (!create && stored_lft) {
+ const u32 minimum_lft = min_t(u32,
+ stored_lft, MIN_VALID_LIFETIME);
+ valid_lft = max(valid_lft, minimum_lft);
+
+ /* RFC4862 Section 5.5.3e:
+ * "Note that the preferred lifetime of the
+ * corresponding address is always reset to
+ * the Preferred Lifetime in the received
+ * Prefix Information option, regardless of
+ * whether the valid lifetime is also reset or
+ * ignored."
+ *
+ * So we should always update prefered_lft here.
+ */
+ update_lft = 1;
+ }
+
+ if (update_lft) {
ifp->valid_lft = valid_lft;
ifp->prefered_lft = prefered_lft;
ifp->tstamp = now;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 0371d2c14145..a506e57c4032 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -111,7 +111,7 @@ void fib6_update_sernum(struct net *net, struct fib6_info *f6i)
fn = rcu_dereference_protected(f6i->fib6_node,
lockdep_is_held(&f6i->fib6_table->tb6_lock));
if (fn)
- fn->fn_sernum = fib6_new_sernum(net);
+ WRITE_ONCE(fn->fn_sernum, fib6_new_sernum(net));
}
/*
@@ -589,12 +589,13 @@ static int fib6_dump_table(struct fib6_table *table, struct sk_buff *skb,
spin_unlock_bh(&table->tb6_lock);
if (res > 0) {
cb->args[4] = 1;
- cb->args[5] = w->root->fn_sernum;
+ cb->args[5] = READ_ONCE(w->root->fn_sernum);
}
} else {
- if (cb->args[5] != w->root->fn_sernum) {
+ int sernum = READ_ONCE(w->root->fn_sernum);
+ if (cb->args[5] != sernum) {
/* Begin at the root if the tree changed */
- cb->args[5] = w->root->fn_sernum;
+ cb->args[5] = sernum;
w->state = FWS_INIT;
w->node = w->root;
w->skip = w->count;
@@ -1344,7 +1345,7 @@ static void __fib6_update_sernum_upto_root(struct fib6_info *rt,
/* paired with smp_rmb() in fib6_get_cookie_safe() */
smp_wmb();
while (fn) {
- fn->fn_sernum = sernum;
+ WRITE_ONCE(fn->fn_sernum, sernum);
fn = rcu_dereference_protected(fn->parent,
lockdep_is_held(&rt->fib6_table->tb6_lock));
}
@@ -2173,8 +2174,8 @@ static int fib6_clean_node(struct fib6_walker *w)
};
if (c->sernum != FIB6_NO_SERNUM_CHANGE &&
- w->node->fn_sernum != c->sernum)
- w->node->fn_sernum = c->sernum;
+ READ_ONCE(w->node->fn_sernum) != c->sernum)
+ WRITE_ONCE(w->node->fn_sernum, c->sernum);
if (!c->func) {
WARN_ON_ONCE(c->sernum == FIB6_NO_SERNUM_CHANGE);
@@ -2542,7 +2543,7 @@ static void ipv6_route_seq_setup_walk(struct ipv6_route_iter *iter,
iter->w.state = FWS_INIT;
iter->w.node = iter->w.root;
iter->w.args = iter;
- iter->sernum = iter->w.root->fn_sernum;
+ iter->sernum = READ_ONCE(iter->w.root->fn_sernum);
INIT_LIST_HEAD(&iter->w.lh);
fib6_walker_link(net, &iter->w);
}
@@ -2570,8 +2571,10 @@ static struct fib6_table *ipv6_route_seq_next_table(struct fib6_table *tbl,
static void ipv6_route_check_sernum(struct ipv6_route_iter *iter)
{
- if (iter->sernum != iter->w.root->fn_sernum) {
- iter->sernum = iter->w.root->fn_sernum;
+ int sernum = READ_ONCE(iter->w.root->fn_sernum);
+
+ if (iter->sernum != sernum) {
+ iter->sernum = sernum;
iter->w.state = FWS_INIT;
iter->w.node = iter->w.root;
WARN_ON(iter->w.skip);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 484aca492cc0..7c6a0bdb0e1b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1036,14 +1036,14 @@ int ip6_tnl_xmit_ctl(struct ip6_tnl *t,
if (unlikely(!ipv6_chk_addr_and_flags(net, laddr, ldev, false,
0, IFA_F_TENTATIVE)))
- pr_warn("%s xmit: Local address not yet configured!\n",
- p->name);
+ pr_warn_ratelimited("%s xmit: Local address not yet configured!\n",
+ p->name);
else if (!(p->flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE) &&
!ipv6_addr_is_multicast(raddr) &&
unlikely(ipv6_chk_addr_and_flags(net, raddr, ldev,
true, 0, IFA_F_TENTATIVE)))
- pr_warn("%s xmit: Routing loop! Remote address found on this node!\n",
- p->name);
+ pr_warn_ratelimited("%s xmit: Routing loop! Remote address found on this node!\n",
+ p->name);
else
ret = 1;
rcu_read_unlock();
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1deb6297aab6..49fee1f1951c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2802,7 +2802,7 @@ static void ip6_link_failure(struct sk_buff *skb)
if (from) {
fn = rcu_dereference(from->fib6_node);
if (fn && (rt->rt6i_flags & RTF_DEFAULT))
- fn->fn_sernum = -1;
+ WRITE_ONCE(fn->fn_sernum, -1);
}
}
rcu_read_unlock();
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 4712a90a1820..7f7997460764 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1922,15 +1922,17 @@ nf_conntrack_in(struct sk_buff *skb, const struct nf_hook_state *state)
pr_debug("nf_conntrack_in: Can't track with proto module\n");
nf_conntrack_put(&ct->ct_general);
skb->_nfct = 0;
- NF_CT_STAT_INC_ATOMIC(state->net, invalid);
- if (ret == -NF_DROP)
- NF_CT_STAT_INC_ATOMIC(state->net, drop);
/* Special case: TCP tracker reports an attempt to reopen a
* closed/aborted connection. We have to go back and create a
* fresh conntrack.
*/
if (ret == -NF_REPEAT)
goto repeat;
+
+ NF_CT_STAT_INC_ATOMIC(state->net, invalid);
+ if (ret == -NF_DROP)
+ NF_CT_STAT_INC_ATOMIC(state->net, drop);
+
ret = -ret;
goto out;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 76c2dca7f0a5..43eef5c712c1 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1773,6 +1773,7 @@ static int fanout_add(struct sock *sk, struct fanout_args *args)
match->prot_hook.dev = po->prot_hook.dev;
match->prot_hook.func = packet_rcv_fanout;
match->prot_hook.af_packet_priv = match;
+ match->prot_hook.af_packet_net = read_pnet(&match->net);
match->prot_hook.id_match = match_fanout_group;
match->max_num_members = args->max_num_members;
list_add(&match->list, &fanout_list);
@@ -3358,6 +3359,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
po->prot_hook.func = packet_rcv_spkt;
po->prot_hook.af_packet_priv = sk;
+ po->prot_hook.af_packet_net = sock_net(sk);
if (proto) {
po->prot_hook.type = proto;
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 6be2672a65ea..df864e692267 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -157,7 +157,7 @@ static void rxrpc_congestion_timeout(struct rxrpc_call *call)
static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
{
struct sk_buff *skb;
- unsigned long resend_at, rto_j;
+ unsigned long resend_at;
rxrpc_seq_t cursor, seq, top;
ktime_t now, max_age, oldest, ack_ts;
int ix;
@@ -165,10 +165,8 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
_enter("{%d,%d}", call->tx_hard_ack, call->tx_top);
- rto_j = call->peer->rto_j;
-
now = ktime_get_real();
- max_age = ktime_sub(now, jiffies_to_usecs(rto_j));
+ max_age = ktime_sub(now, jiffies_to_usecs(call->peer->rto_j));
spin_lock_bh(&call->lock);
@@ -213,7 +211,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
}
resend_at = nsecs_to_jiffies(ktime_to_ns(ktime_sub(now, oldest)));
- resend_at += jiffies + rto_j;
+ resend_at += jiffies + rxrpc_get_rto_backoff(call->peer, retrans);
WRITE_ONCE(call->resend_at, resend_at);
if (unacked)
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 10f2bf2e9068..a45c83f22236 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -468,7 +468,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
if (call->peer->rtt_count > 1) {
unsigned long nowj = jiffies, ack_lost_at;
- ack_lost_at = rxrpc_get_rto_backoff(call->peer, retrans);
+ ack_lost_at = rxrpc_get_rto_backoff(call->peer, false);
ack_lost_at += nowj;
WRITE_ONCE(call->ack_lost_at, ack_lost_at);
rxrpc_reduce_call_timer(call, ack_lost_at, nowj,
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 9267922ea9c3..23a9d6242429 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1810,6 +1810,26 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
if (!hopt->rate.rate || !hopt->ceil.rate)
goto failure;
+ if (q->offload) {
+ /* Options not supported by the offload. */
+ if (hopt->rate.overhead || hopt->ceil.overhead) {
+ NL_SET_ERR_MSG(extack, "HTB offload doesn't support the overhead parameter");
+ goto failure;
+ }
+ if (hopt->rate.mpu || hopt->ceil.mpu) {
+ NL_SET_ERR_MSG(extack, "HTB offload doesn't support the mpu parameter");
+ goto failure;
+ }
+ if (hopt->quantum) {
+ NL_SET_ERR_MSG(extack, "HTB offload doesn't support the quantum parameter");
+ goto failure;
+ }
+ if (hopt->prio) {
+ NL_SET_ERR_MSG(extack, "HTB offload doesn't support the prio parameter");
+ goto failure;
+ }
+ }
+
/* Keeping backward compatible with rate_table based iproute2 tc */
if (hopt->rate.linklayer == TC_LINKLAYER_UNAWARE)
qdisc_put_rtab(qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB],
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 211cd91b6c40..85e077a69c67 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -566,12 +566,17 @@ static void smc_stat_fallback(struct smc_sock *smc)
mutex_unlock(&net->smc.mutex_fback_rsn);
}
-static void smc_switch_to_fallback(struct smc_sock *smc, int reason_code)
+static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code)
{
wait_queue_head_t *smc_wait = sk_sleep(&smc->sk);
- wait_queue_head_t *clc_wait = sk_sleep(smc->clcsock->sk);
+ wait_queue_head_t *clc_wait;
unsigned long flags;
+ mutex_lock(&smc->clcsock_release_lock);
+ if (!smc->clcsock) {
+ mutex_unlock(&smc->clcsock_release_lock);
+ return -EBADF;
+ }
smc->use_fallback = true;
smc->fallback_rsn = reason_code;
smc_stat_fallback(smc);
@@ -586,18 +591,30 @@ static void smc_switch_to_fallback(struct smc_sock *smc, int reason_code)
* smc socket->wq, which should be removed
* to clcsocket->wq during the fallback.
*/
+ clc_wait = sk_sleep(smc->clcsock->sk);
spin_lock_irqsave(&smc_wait->lock, flags);
spin_lock_nested(&clc_wait->lock, SINGLE_DEPTH_NESTING);
list_splice_init(&smc_wait->head, &clc_wait->head);
spin_unlock(&clc_wait->lock);
spin_unlock_irqrestore(&smc_wait->lock, flags);
}
+ mutex_unlock(&smc->clcsock_release_lock);
+ return 0;
}
/* fall back during connect */
static int smc_connect_fallback(struct smc_sock *smc, int reason_code)
{
- smc_switch_to_fallback(smc, reason_code);
+ struct net *net = sock_net(&smc->sk);
+ int rc = 0;
+
+ rc = smc_switch_to_fallback(smc, reason_code);
+ if (rc) { /* fallback fails */
+ this_cpu_inc(net->smc.smc_stats->clnt_hshake_err_cnt);
+ if (smc->sk.sk_state == SMC_INIT)
+ sock_put(&smc->sk); /* passive closing */
+ return rc;
+ }
smc_copy_sock_settings_to_clc(smc);
smc->connect_nonblock = 0;
if (smc->sk.sk_state == SMC_INIT)
@@ -1514,11 +1531,12 @@ static void smc_listen_decline(struct smc_sock *new_smc, int reason_code,
{
/* RDMA setup failed, switch back to TCP */
smc_conn_abort(new_smc, local_first);
- if (reason_code < 0) { /* error, no fallback possible */
+ if (reason_code < 0 ||
+ smc_switch_to_fallback(new_smc, reason_code)) {
+ /* error, no fallback possible */
smc_listen_out_err(new_smc);
return;
}
- smc_switch_to_fallback(new_smc, reason_code);
if (reason_code && reason_code != SMC_CLC_DECL_PEERDECL) {
if (smc_clc_send_decline(new_smc, reason_code, version) < 0) {
smc_listen_out_err(new_smc);
@@ -1960,8 +1978,11 @@ static void smc_listen_work(struct work_struct *work)
/* check if peer is smc capable */
if (!tcp_sk(newclcsock->sk)->syn_smc) {
- smc_switch_to_fallback(new_smc, SMC_CLC_DECL_PEERNOSMC);
- smc_listen_out_connected(new_smc);
+ rc = smc_switch_to_fallback(new_smc, SMC_CLC_DECL_PEERNOSMC);
+ if (rc)
+ smc_listen_out_err(new_smc);
+ else
+ smc_listen_out_connected(new_smc);
return;
}
@@ -2250,7 +2271,9 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
if (msg->msg_flags & MSG_FASTOPEN) {
if (sk->sk_state == SMC_INIT && !smc->connect_nonblock) {
- smc_switch_to_fallback(smc, SMC_CLC_DECL_OPTUNSUPP);
+ rc = smc_switch_to_fallback(smc, SMC_CLC_DECL_OPTUNSUPP);
+ if (rc)
+ goto out;
} else {
rc = -EINVAL;
goto out;
@@ -2443,6 +2466,11 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
/* generic setsockopts reaching us here always apply to the
* CLC socket
*/
+ mutex_lock(&smc->clcsock_release_lock);
+ if (!smc->clcsock) {
+ mutex_unlock(&smc->clcsock_release_lock);
+ return -EBADF;
+ }
if (unlikely(!smc->clcsock->ops->setsockopt))
rc = -EOPNOTSUPP;
else
@@ -2452,6 +2480,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
sk->sk_err = smc->clcsock->sk->sk_err;
sk_error_report(sk);
}
+ mutex_unlock(&smc->clcsock_release_lock);
if (optlen < sizeof(int))
return -EINVAL;
@@ -2468,7 +2497,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
case TCP_FASTOPEN_NO_COOKIE:
/* option not supported by SMC */
if (sk->sk_state == SMC_INIT && !smc->connect_nonblock) {
- smc_switch_to_fallback(smc, SMC_CLC_DECL_OPTUNSUPP);
+ rc = smc_switch_to_fallback(smc, SMC_CLC_DECL_OPTUNSUPP);
} else {
rc = -EINVAL;
}
@@ -2511,13 +2540,23 @@ static int smc_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen)
{
struct smc_sock *smc;
+ int rc;
smc = smc_sk(sock->sk);
+ mutex_lock(&smc->clcsock_release_lock);
+ if (!smc->clcsock) {
+ mutex_unlock(&smc->clcsock_release_lock);
+ return -EBADF;
+ }
/* socket options apply to the CLC socket */
- if (unlikely(!smc->clcsock->ops->getsockopt))
+ if (unlikely(!smc->clcsock->ops->getsockopt)) {
+ mutex_unlock(&smc->clcsock_release_lock);
return -EOPNOTSUPP;
- return smc->clcsock->ops->getsockopt(smc->clcsock, level, optname,
- optval, optlen);
+ }
+ rc = smc->clcsock->ops->getsockopt(smc->clcsock, level, optname,
+ optval, optlen);
+ mutex_unlock(&smc->clcsock_release_lock);
+ return rc;
}
static int smc_ioctl(struct socket *sock, unsigned int cmd,
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index ee5336d73fdd..35588f0afa86 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -600,9 +600,9 @@ static int __rpc_rmdir(struct inode *dir, struct dentry *dentry)
dget(dentry);
ret = simple_rmdir(dir, dentry);
+ d_drop(dentry);
if (!ret)
fsnotify_rmdir(dir, dentry);
- d_delete(dentry);
dput(dentry);
return ret;
}
@@ -613,9 +613,9 @@ static int __rpc_unlink(struct inode *dir, struct dentry *dentry)
dget(dentry);
ret = simple_unlink(dir, dentry);
+ d_drop(dentry);
if (!ret)
fsnotify_unlink(dir, dentry);
- d_delete(dentry);
dput(dentry);
return ret;
}
diff --git a/security/security.c b/security/security.c
index c88167a414b4..64abdfb20bc2 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1056,8 +1056,19 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
const char **xattr_name, void **ctx,
u32 *ctxlen)
{
- return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
- name, xattr_name, ctx, ctxlen);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * Only one module will provide a security context.
+ */
+ hlist_for_each_entry(hp, &security_hook_heads.dentry_init_security, list) {
+ rc = hp->hook.dentry_init_security(dentry, mode, name,
+ xattr_name, ctx, ctxlen);
+ if (rc != LSM_RET_DEFAULT(dentry_init_security))
+ return rc;
+ }
+ return LSM_RET_DEFAULT(dentry_init_security);
}
EXPORT_SYMBOL(security_dentry_init_security);
diff --git a/tools/testing/scatterlist/linux/mm.h b/tools/testing/scatterlist/linux/mm.h
index 16ec895bbe5f..5bd9e6e80625 100644
--- a/tools/testing/scatterlist/linux/mm.h
+++ b/tools/testing/scatterlist/linux/mm.h
@@ -74,7 +74,7 @@ static inline unsigned long page_to_phys(struct page *page)
__UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \
x, y)
-#define preemptible() (1)
+#define pagefault_disabled() (0)
static inline void *kmap(struct page *page)
{
@@ -127,6 +127,7 @@ kmalloc_array(unsigned int n, unsigned int size, unsigned int flags)
#define kmemleak_free(a)
#define PageSlab(p) (0)
+#define flush_dcache_page(p)
#define MAX_ERRNO 4095
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 290b1b0552d6..4fdfb42aeddb 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -77,6 +77,7 @@ TEST_GEN_PROGS_x86_64 += x86_64/xen_shinfo_test
TEST_GEN_PROGS_x86_64 += x86_64/xen_vmcall_test
TEST_GEN_PROGS_x86_64 += x86_64/vmx_pi_mmio_test
TEST_GEN_PROGS_x86_64 += x86_64/sev_migrate_tests
+TEST_GEN_PROGS_x86_64 += access_tracking_perf_test
TEST_GEN_PROGS_x86_64 += demand_paging_test
TEST_GEN_PROGS_x86_64 += dirty_log_test
TEST_GEN_PROGS_x86_64 += dirty_log_perf_test
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
index d0fe2fdce58c..db2a17559c3d 100644
--- a/tools/testing/selftests/kvm/x86_64/smm_test.c
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -105,7 +105,6 @@ static void guest_code(void *arg)
if (cpu_has_svm()) {
run_guest(svm->vmcb, svm->vmcb_gpa);
- svm->vmcb->save.rip += 3;
run_guest(svm->vmcb, svm->vmcb_gpa);
} else {
vmlaunch();
diff --git a/usr/include/Makefile b/usr/include/Makefile
index 1c2ae1368079..adc6cb258736 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -28,13 +28,13 @@ no-header-test += linux/am437x-vpfe.h
no-header-test += linux/android/binder.h
no-header-test += linux/android/binderfs.h
no-header-test += linux/coda.h
+no-header-test += linux/cyclades.h
no-header-test += linux/errqueue.h
no-header-test += linux/fsmap.h
no-header-test += linux/hdlc/ioctl.h
no-header-test += linux/ivtv.h
no-header-test += linux/kexec.h
no-header-test += linux/matroxfb.h
-no-header-test += linux/nfc.h
no-header-test += linux/omap3isp.h
no-header-test += linux/omapfb.h
no-header-test += linux/patchkey.h
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5bd62342c482..71ddc7a8bc30 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2112,7 +2112,6 @@ struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn
return NULL;
}
-EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_memslot);
bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
{
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