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Message-ID: <2024102209-numerate-secluding-f8bc@gregkh>
Date: Tue, 22 Oct 2024 16:46:09 +0200
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 6.11.5
diff --git a/Makefile b/Makefile
index 50c615983e44..687ce7aee67a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 11
-SUBLEVEL = 4
+SUBLEVEL = 5
EXTRAVERSION =
NAME = Baby Opossum Posse
diff --git a/arch/arm64/boot/dts/marvell/cn9130-sr-som.dtsi b/arch/arm64/boot/dts/marvell/cn9130-sr-som.dtsi
index 4676e3488f54..cb8d54895a77 100644
--- a/arch/arm64/boot/dts/marvell/cn9130-sr-som.dtsi
+++ b/arch/arm64/boot/dts/marvell/cn9130-sr-som.dtsi
@@ -136,7 +136,7 @@ cp0_i2c0_pins: cp0-i2c0-pins {
};
cp0_mdio_pins: cp0-mdio-pins {
- marvell,pins = "mpp40", "mpp41";
+ marvell,pins = "mpp0", "mpp1";
marvell,function = "ge";
};
diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h
index 2b09495499c6..014b02897f8e 100644
--- a/arch/arm64/include/asm/uprobes.h
+++ b/arch/arm64/include/asm/uprobes.h
@@ -10,11 +10,9 @@
#include <asm/insn.h>
#include <asm/probes.h>
-#define MAX_UINSN_BYTES AARCH64_INSN_SIZE
-
#define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES)
#define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE
-#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES
+#define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE
typedef __le32 uprobe_opcode_t;
@@ -23,8 +21,8 @@ struct arch_uprobe_task {
struct arch_uprobe {
union {
- u8 insn[MAX_UINSN_BYTES];
- u8 ixol[MAX_UINSN_BYTES];
+ __le32 insn;
+ __le32 ixol;
};
struct arch_probe_insn api;
bool simulate;
diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c
index 968d5fffe233..3496d6169e59 100644
--- a/arch/arm64/kernel/probes/decode-insn.c
+++ b/arch/arm64/kernel/probes/decode-insn.c
@@ -99,10 +99,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api)
aarch64_insn_is_blr(insn) ||
aarch64_insn_is_ret(insn)) {
api->handler = simulate_br_blr_ret;
- } else if (aarch64_insn_is_ldr_lit(insn)) {
- api->handler = simulate_ldr_literal;
- } else if (aarch64_insn_is_ldrsw_lit(insn)) {
- api->handler = simulate_ldrsw_literal;
} else {
/*
* Instruction cannot be stepped out-of-line and we don't
@@ -140,6 +136,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
probe_opcode_t insn = le32_to_cpu(*addr);
probe_opcode_t *scan_end = NULL;
unsigned long size = 0, offset = 0;
+ struct arch_probe_insn *api = &asi->api;
+
+ if (aarch64_insn_is_ldr_lit(insn)) {
+ api->handler = simulate_ldr_literal;
+ decoded = INSN_GOOD_NO_SLOT;
+ } else if (aarch64_insn_is_ldrsw_lit(insn)) {
+ api->handler = simulate_ldrsw_literal;
+ decoded = INSN_GOOD_NO_SLOT;
+ } else {
+ decoded = arm_probe_decode_insn(insn, &asi->api);
+ }
/*
* If there's a symbol defined in front of and near enough to
@@ -157,7 +164,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
else
scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE;
}
- decoded = arm_probe_decode_insn(insn, &asi->api);
if (decoded != INSN_REJECTED && scan_end)
if (is_probed_address_atomic(addr - 1, scan_end))
diff --git a/arch/arm64/kernel/probes/simulate-insn.c b/arch/arm64/kernel/probes/simulate-insn.c
index 22d0b3252476..b65334ab79d2 100644
--- a/arch/arm64/kernel/probes/simulate-insn.c
+++ b/arch/arm64/kernel/probes/simulate-insn.c
@@ -171,17 +171,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs)
void __kprobes
simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs)
{
- u64 *load_addr;
+ unsigned long load_addr;
int xn = opcode & 0x1f;
- int disp;
- disp = ldr_displacement(opcode);
- load_addr = (u64 *) (addr + disp);
+ load_addr = addr + ldr_displacement(opcode);
if (opcode & (1 << 30)) /* x0-x30 */
- set_x_reg(regs, xn, *load_addr);
+ set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr));
else /* w0-w30 */
- set_w_reg(regs, xn, *load_addr);
+ set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr));
instruction_pointer_set(regs, instruction_pointer(regs) + 4);
}
@@ -189,14 +187,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs)
void __kprobes
simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs)
{
- s32 *load_addr;
+ unsigned long load_addr;
int xn = opcode & 0x1f;
- int disp;
- disp = ldr_displacement(opcode);
- load_addr = (s32 *) (addr + disp);
+ load_addr = addr + ldr_displacement(opcode);
- set_x_reg(regs, xn, *load_addr);
+ set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr));
instruction_pointer_set(regs, instruction_pointer(regs) + 4);
}
diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c
index d49aef2657cd..a2f137a595fc 100644
--- a/arch/arm64/kernel/probes/uprobes.c
+++ b/arch/arm64/kernel/probes/uprobes.c
@@ -42,7 +42,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
else if (!IS_ALIGNED(addr, AARCH64_INSN_SIZE))
return -EINVAL;
- insn = *(probe_opcode_t *)(&auprobe->insn[0]);
+ insn = le32_to_cpu(auprobe->insn);
switch (arm_probe_decode_insn(insn, &auprobe->api)) {
case INSN_REJECTED:
@@ -108,7 +108,7 @@ bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs)
if (!auprobe->simulate)
return false;
- insn = *(probe_opcode_t *)(&auprobe->insn[0]);
+ insn = le32_to_cpu(auprobe->insn);
addr = instruction_pointer(regs);
if (auprobe->api.handler)
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 2a32438e09ce..74f73141f9b9 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu)
vcpu->stat.instruction_diagnose_258++;
if (vcpu->run->s.regs.gprs[rx] & 7)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
- rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm));
+ rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm));
if (rc)
return kvm_s390_inject_prog_cond(vcpu, rc);
if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258)
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index e65f597e3044..a688351f4ab5 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -828,6 +828,8 @@ static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa,
const gfn_t gfn = gpa_to_gfn(gpa);
int rc;
+ if (!gfn_to_memslot(kvm, gfn))
+ return PGM_ADDRESSING;
if (mode == GACC_STORE)
rc = kvm_write_guest_page(kvm, gfn, data, offset, len);
else
@@ -985,6 +987,8 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
gra += fragment_len;
data += fragment_len;
}
+ if (rc > 0)
+ vcpu->arch.pgm.code = rc;
return rc;
}
diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h
index b320d12aa049..3fde45a151f2 100644
--- a/arch/s390/kvm/gaccess.h
+++ b/arch/s390/kvm/gaccess.h
@@ -405,11 +405,12 @@ int read_guest_abs(struct kvm_vcpu *vcpu, unsigned long gpa, void *data,
* @len: number of bytes to copy
*
* Copy @len bytes from @data (kernel space) to @gra (guest real address).
- * It is up to the caller to ensure that the entire guest memory range is
- * valid memory before calling this function.
* Guest low address and key protection are not checked.
*
- * Returns zero on success or -EFAULT on error.
+ * Returns zero on success, -EFAULT when copying from @data failed, or
+ * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info
+ * is also stored to allow injecting into the guest (if applicable) using
+ * kvm_s390_inject_prog_cond().
*
* If an error occurs data may have been copied partially to guest memory.
*/
@@ -428,11 +429,12 @@ int write_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data,
* @len: number of bytes to copy
*
* Copy @len bytes from @gra (guest real address) to @data (kernel space).
- * It is up to the caller to ensure that the entire guest memory range is
- * valid memory before calling this function.
* Guest key protection is not checked.
*
- * Returns zero on success or -EFAULT on error.
+ * Returns zero on success, -EFAULT when copying to @data failed, or
+ * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info
+ * is also stored to allow injecting into the guest (if applicable) using
+ * kvm_s390_inject_prog_cond().
*
* If an error occurs data may have been copied partially to kernel space.
*/
diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S
index d9feadffa972..324686bca368 100644
--- a/arch/x86/entry/entry.S
+++ b/arch/x86/entry/entry.S
@@ -9,6 +9,8 @@
#include <asm/unwind_hints.h>
#include <asm/segment.h>
#include <asm/cache.h>
+#include <asm/cpufeatures.h>
+#include <asm/nospec-branch.h>
#include "calling.h"
@@ -19,6 +21,9 @@ SYM_FUNC_START(entry_ibpb)
movl $PRED_CMD_IBPB, %eax
xorl %edx, %edx
wrmsr
+
+ /* Make sure IBPB clears return stack preductions too. */
+ FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_BUG_IBPB_NO_RET
RET
SYM_FUNC_END(entry_ibpb)
/* For KVM */
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index d3a814efbff6..20be5758c2d2 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -871,6 +871,8 @@ SYM_FUNC_START(entry_SYSENTER_32)
/* Now ready to switch the cr3 */
SWITCH_TO_USER_CR3 scratch_reg=%eax
+ /* Clobbers ZF */
+ CLEAR_CPU_BUFFERS
/*
* Restore all flags except IF. (We restore IF separately because
@@ -881,7 +883,6 @@ SYM_FUNC_START(entry_SYSENTER_32)
BUG_IF_WRONG_CR3 no_user_check=1
popfl
popl %eax
- CLEAR_CPU_BUFFERS
/*
* Return back to the vDSO, which will pop ecx and edx.
@@ -1144,7 +1145,6 @@ SYM_CODE_START(asm_exc_nmi)
/* Not on SYSENTER stack. */
call exc_nmi
- CLEAR_CPU_BUFFERS
jmp .Lnmi_return
.Lnmi_from_sysenter_stack:
@@ -1165,6 +1165,7 @@ SYM_CODE_START(asm_exc_nmi)
CHECK_AND_APPLY_ESPFIX
RESTORE_ALL_NMI cr3_reg=%edi pop=4
+ CLEAR_CPU_BUFFERS
jmp .Lirq_return
#ifdef CONFIG_X86_ESPFIX32
@@ -1206,6 +1207,7 @@ SYM_CODE_START(asm_exc_nmi)
* 1 - orig_ax
*/
lss (1+5+6)*4(%esp), %esp # back to espfix stack
+ CLEAR_CPU_BUFFERS
jmp .Lirq_return
#endif
SYM_CODE_END(asm_exc_nmi)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index dd4682857c12..913fd3a7bac6 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -215,7 +215,7 @@
#define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* Disable Speculative Store Bypass. */
#define X86_FEATURE_LS_CFG_SSBD ( 7*32+24) /* AMD SSBD implementation via LS_CFG MSR */
#define X86_FEATURE_IBRS ( 7*32+25) /* "ibrs" Indirect Branch Restricted Speculation */
-#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier */
+#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */
#define X86_FEATURE_STIBP ( 7*32+27) /* "stibp" Single Thread Indirect Branch Predictors */
#define X86_FEATURE_ZEN ( 7*32+28) /* Generic flag for all Zen and newer */
#define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* L1TF workaround PTE inversion */
@@ -348,6 +348,7 @@
#define X86_FEATURE_CPPC (13*32+27) /* "cppc" Collaborative Processor Performance Control */
#define X86_FEATURE_AMD_PSFD (13*32+28) /* Predictive Store Forwarding Disable */
#define X86_FEATURE_BTC_NO (13*32+29) /* Not vulnerable to Branch Type Confusion */
+#define X86_FEATURE_AMD_IBPB_RET (13*32+30) /* IBPB clears return address predictor */
#define X86_FEATURE_BRS (13*32+31) /* "brs" Branch Sampling available */
/* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
@@ -523,4 +524,5 @@
#define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* "div0" AMD DIV0 speculation bug */
#define X86_BUG_RFDS X86_BUG(1*32 + 2) /* "rfds" CPU is vulnerable to Register File Data Sampling */
#define X86_BUG_BHI X86_BUG(1*32 + 3) /* "bhi" CPU is affected by Branch History Injection */
+#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index ff5f1ecc7d1e..96b410b1d4e8 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -323,7 +323,16 @@
* Note: Only the memory operand variant of VERW clears the CPU buffers.
*/
.macro CLEAR_CPU_BUFFERS
- ALTERNATIVE "", __stringify(verw _ASM_RIP(mds_verw_sel)), X86_FEATURE_CLEAR_CPU_BUF
+#ifdef CONFIG_X86_64
+ ALTERNATIVE "", "verw mds_verw_sel(%rip)", X86_FEATURE_CLEAR_CPU_BUF
+#else
+ /*
+ * In 32bit mode, the memory operand must be a %cs reference. The data
+ * segments may not be usable (vm86 mode), and the stack segment may not
+ * be flat (ESPFIX32).
+ */
+ ALTERNATIVE "", "verw %cs:mds_verw_sel", X86_FEATURE_CLEAR_CPU_BUF
+#endif
.endm
#ifdef CONFIG_X86_64
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 373638691cd4..3244ab43fff9 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -440,7 +440,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt)
v = apic_read(APIC_LVTT);
v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
apic_write(APIC_LVTT, v);
- apic_write(APIC_TMICT, 0);
+
+ /*
+ * Setting APIC_LVT_MASKED (above) should be enough to tell
+ * the hardware that this timer will never fire. But AMD
+ * erratum 411 and some Intel CPU behavior circa 2024 say
+ * otherwise. Time for belt and suspenders programming: mask
+ * the timer _and_ zero the counter registers:
+ */
+ if (v & APIC_LVT_TIMER_TSCDEADLINE)
+ wrmsrl(MSR_IA32_TSC_DEADLINE, 0);
+ else
+ apic_write(APIC_TMICT, 0);
+
return 0;
}
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 1e0fe5f8ab84..f01b72052f79 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1218,5 +1218,6 @@ void amd_check_microcode(void)
if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
return;
- on_each_cpu(zenbleed_check_cpu, NULL, 1);
+ if (cpu_feature_enabled(X86_FEATURE_ZEN2))
+ on_each_cpu(zenbleed_check_cpu, NULL, 1);
}
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 468449f73a95..2ef649ec32ce 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1113,8 +1113,25 @@ static void __init retbleed_select_mitigation(void)
case RETBLEED_MITIGATION_IBPB:
setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB);
+
+ /*
+ * IBPB on entry already obviates the need for
+ * software-based untraining so clear those in case some
+ * other mitigation like SRSO has selected them.
+ */
+ setup_clear_cpu_cap(X86_FEATURE_UNRET);
+ setup_clear_cpu_cap(X86_FEATURE_RETHUNK);
+
setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT);
mitigate_smt = true;
+
+ /*
+ * There is no need for RSB filling: entry_ibpb() ensures
+ * all predictions, including the RSB, are invalidated,
+ * regardless of IBPB implementation.
+ */
+ setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT);
+
break;
case RETBLEED_MITIGATION_STUFF:
@@ -2621,6 +2638,14 @@ static void __init srso_select_mitigation(void)
if (has_microcode) {
setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB);
srso_mitigation = SRSO_MITIGATION_IBPB;
+
+ /*
+ * IBPB on entry already obviates the need for
+ * software-based untraining so clear those in case some
+ * other mitigation like Retbleed has selected them.
+ */
+ setup_clear_cpu_cap(X86_FEATURE_UNRET);
+ setup_clear_cpu_cap(X86_FEATURE_RETHUNK);
}
} else {
pr_err("WARNING: kernel not compiled with MITIGATION_IBPB_ENTRY.\n");
@@ -2632,6 +2657,13 @@ static void __init srso_select_mitigation(void)
if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) {
setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT);
srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT;
+
+ /*
+ * There is no need for RSB filling: entry_ibpb() ensures
+ * all predictions, including the RSB, are invalidated,
+ * regardless of IBPB implementation.
+ */
+ setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT);
}
} else {
pr_err("WARNING: kernel not compiled with MITIGATION_SRSO.\n");
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index be307c9ef263..ab0e2da7c9ef 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1443,6 +1443,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
boot_cpu_has(X86_FEATURE_HYPERVISOR)))
setup_force_cpu_bug(X86_BUG_BHI);
+ if (cpu_has(c, X86_FEATURE_AMD_IBPB) && !cpu_has(c, X86_FEATURE_AMD_IBPB_RET))
+ setup_force_cpu_bug(X86_BUG_IBPB_NO_RET);
+
if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
return;
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 8591d53c144b..b681c2e07dbf 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -207,7 +207,7 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r)
return false;
}
-static bool __get_mem_config_intel(struct rdt_resource *r)
+static __init bool __get_mem_config_intel(struct rdt_resource *r)
{
struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r);
union cpuid_0x10_3_eax eax;
@@ -241,7 +241,7 @@ static bool __get_mem_config_intel(struct rdt_resource *r)
return true;
}
-static bool __rdt_get_mem_config_amd(struct rdt_resource *r)
+static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r)
{
struct rdt_hw_resource *hw_res = resctrl_to_arch_res(r);
u32 eax, ebx, ecx, edx, subleaf;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index e3c3c0c21b55..b56a1c0dd138 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4307,6 +4307,12 @@ int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
/* mark the queue as mq asap */
q->mq_ops = set->ops;
+ /*
+ * ->tag_set has to be setup before initialize hctx, which cpuphp
+ * handler needs it for checking queue mapping
+ */
+ q->tag_set = set;
+
if (blk_mq_alloc_ctxs(q))
goto err_exit;
@@ -4325,8 +4331,6 @@ int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
INIT_WORK(&q->timeout_work, blk_mq_timeout_work);
blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ);
- q->tag_set = set;
-
q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
INIT_DELAYED_WORK(&q->requeue_work, blk_mq_requeue_work);
diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index dd7310c94713..dc510f493ba5 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -219,8 +219,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr,
data->got_token = true;
smp_wmb();
- list_del_init(&curr->entry);
wake_up_process(data->task);
+ list_del_init_careful(&curr->entry);
return 1;
}
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index bca06bfb4bc3..2633f7356fac 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2381,10 +2381,19 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd)
* TODO: provide forward progress for RECOVERY handler, so that
* unprivileged device can benefit from it
*/
- if (info.flags & UBLK_F_UNPRIVILEGED_DEV)
+ if (info.flags & UBLK_F_UNPRIVILEGED_DEV) {
info.flags &= ~(UBLK_F_USER_RECOVERY_REISSUE |
UBLK_F_USER_RECOVERY);
+ /*
+ * For USER_COPY, we depends on userspace to fill request
+ * buffer by pwrite() to ublk char device, which can't be
+ * used for unprivileged device
+ */
+ if (info.flags & UBLK_F_USER_COPY)
+ return -EINVAL;
+ }
+
/* the created device is always owned by current user */
ublk_store_owner_uid_gid(&info.owner_uid, &info.owner_gid);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a1e9b052bc84..2408e50743ca 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1399,10 +1399,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (!urb)
return -ENOMEM;
- /* Use maximum HCI Event size so the USB stack handles
- * ZPL/short-transfer automatically.
- */
- size = HCI_MAX_EVENT_SIZE;
+ if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 &&
+ le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001)
+ /* Fake CSR devices don't seem to support sort-transter */
+ size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+ else
+ /* Use maximum HCI Event size so the USB stack handles
+ * ZPL/short-transfer automatically.
+ */
+ size = HCI_MAX_EVENT_SIZE;
buf = kmalloc(size, mem_flags);
if (!buf) {
@@ -4092,7 +4097,6 @@ static void btusb_disconnect(struct usb_interface *intf)
static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct btusb_data *data = usb_get_intfdata(intf);
- int err;
BT_DBG("intf %p", intf);
@@ -4105,16 +4109,6 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
if (data->suspend_count++)
return 0;
- /* Notify Host stack to suspend; this has to be done before stopping
- * the traffic since the hci_suspend_dev itself may generate some
- * traffic.
- */
- err = hci_suspend_dev(data->hdev);
- if (err) {
- data->suspend_count--;
- return err;
- }
-
spin_lock_irq(&data->txlock);
if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
set_bit(BTUSB_SUSPENDING, &data->flags);
@@ -4122,7 +4116,6 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
} else {
spin_unlock_irq(&data->txlock);
data->suspend_count--;
- hci_resume_dev(data->hdev);
return -EBUSY;
}
@@ -4243,8 +4236,6 @@ static int btusb_resume(struct usb_interface *intf)
spin_unlock_irq(&data->txlock);
schedule_work(&data->work);
- hci_resume_dev(data->hdev);
-
return 0;
failed:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 78b3c067fea7..a95811da242b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -265,7 +265,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
/* Only a single BO list is allowed to simplify handling. */
if (p->bo_list)
- ret = -EINVAL;
+ goto free_partial_kdata;
ret = amdgpu_cs_p1_bo_handles(p, p->chunks[i].kdata);
if (ret)
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
index 48b3c4e4b1ca..62d792ed0323 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
@@ -595,7 +595,7 @@ static int mes_v12_0_set_hw_resources(struct amdgpu_mes *mes, int pipe)
if (amdgpu_mes_log_enable) {
mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
- mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
+ mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr + pipe * AMDGPU_MES_LOG_BUFFER_SIZE;
}
return mes_v12_0_submit_pkt_and_poll_completion(mes, pipe,
@@ -1270,7 +1270,7 @@ static int mes_v12_0_sw_init(void *handle)
adev->mes.kiq_hw_fini = &mes_v12_0_kiq_hw_fini;
adev->mes.enable_legacy_queue_map = true;
- adev->mes.event_log_size = AMDGPU_MES_LOG_BUFFER_SIZE;
+ adev->mes.event_log_size = adev->enable_uni_mes ? (AMDGPU_MAX_MES_PIPES * AMDGPU_MES_LOG_BUFFER_SIZE) : AMDGPU_MES_LOG_BUFFER_SIZE;
r = amdgpu_mes_init(adev);
if (r)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 2cf951184561..87672ca714de 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2226,7 +2226,7 @@ static int smu_bump_power_profile_mode(struct smu_context *smu,
static int smu_adjust_power_state_dynamic(struct smu_context *smu,
enum amd_dpm_forced_level level,
bool skip_display_settings,
- bool force_update)
+ bool init)
{
int ret = 0;
int index = 0;
@@ -2255,7 +2255,7 @@ static int smu_adjust_power_state_dynamic(struct smu_context *smu,
}
}
- if (force_update || smu_dpm_ctx->dpm_level != level) {
+ if (smu_dpm_ctx->dpm_level != level) {
ret = smu_asic_set_performance_level(smu, level);
if (ret) {
dev_err(smu->adev->dev, "Failed to set performance level!");
@@ -2272,7 +2272,7 @@ static int smu_adjust_power_state_dynamic(struct smu_context *smu,
index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
workload[0] = smu->workload_setting[index];
- if (force_update || smu->power_profile_mode != workload[0])
+ if (init || smu->power_profile_mode != workload[0])
smu_bump_power_profile_mode(smu, workload, 0);
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 1d024b122b0c..cb923e33fd6f 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -2555,18 +2555,16 @@ static int smu_v13_0_0_set_power_profile_mode(struct smu_context *smu,
workload_mask = 1 << workload_type;
/* Add optimizations for SMU13.0.0/10. Reuse the power saving profile */
- if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_COMPUTE) {
- if ((amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 0) &&
- ((smu->adev->pm.fw_version == 0x004e6601) ||
- (smu->adev->pm.fw_version >= 0x004e7300))) ||
- (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 10) &&
- smu->adev->pm.fw_version >= 0x00504500)) {
- workload_type = smu_cmn_to_asic_specific_index(smu,
- CMN2ASIC_MAPPING_WORKLOAD,
- PP_SMC_POWER_PROFILE_POWERSAVING);
- if (workload_type >= 0)
- workload_mask |= 1 << workload_type;
- }
+ if ((amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 0) &&
+ ((smu->adev->pm.fw_version == 0x004e6601) ||
+ (smu->adev->pm.fw_version >= 0x004e7300))) ||
+ (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 10) &&
+ smu->adev->pm.fw_version >= 0x00504500)) {
+ workload_type = smu_cmn_to_asic_specific_index(smu,
+ CMN2ASIC_MAPPING_WORKLOAD,
+ PP_SMC_POWER_PROFILE_POWERSAVING);
+ if (workload_type >= 0)
+ workload_mask |= 1 << workload_type;
}
ret = smu_cmn_send_smc_msg_with_param(smu,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 17978a1f9ab0..baaa331fbcfa 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -88,25 +88,19 @@ static int intel_dp_mst_max_dpt_bpp(const struct intel_crtc_state *crtc_state,
static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state,
const struct intel_connector *connector,
- bool ssc, bool dsc, int bpp_x16)
+ bool ssc, int dsc_slice_count, int bpp_x16)
{
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
unsigned long flags = DRM_DP_BW_OVERHEAD_MST;
- int dsc_slice_count = 0;
int overhead;
flags |= intel_dp_is_uhbr(crtc_state) ? DRM_DP_BW_OVERHEAD_UHBR : 0;
flags |= ssc ? DRM_DP_BW_OVERHEAD_SSC_REF_CLK : 0;
flags |= crtc_state->fec_enable ? DRM_DP_BW_OVERHEAD_FEC : 0;
- if (dsc) {
+ if (dsc_slice_count)
flags |= DRM_DP_BW_OVERHEAD_DSC;
- dsc_slice_count = intel_dp_dsc_get_slice_count(connector,
- adjusted_mode->clock,
- adjusted_mode->hdisplay,
- crtc_state->joiner_pipes);
- }
overhead = drm_dp_bw_overhead(crtc_state->lane_count,
adjusted_mode->hdisplay,
@@ -152,6 +146,19 @@ static int intel_dp_mst_calc_pbn(int pixel_clock, int bpp_x16, int bw_overhead)
return DIV_ROUND_UP(effective_data_rate * 64, 54 * 1000);
}
+static int intel_dp_mst_dsc_get_slice_count(const struct intel_connector *connector,
+ const struct intel_crtc_state *crtc_state)
+{
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+ int num_joined_pipes = crtc_state->joiner_pipes;
+
+ return intel_dp_dsc_get_slice_count(connector,
+ adjusted_mode->clock,
+ adjusted_mode->hdisplay,
+ num_joined_pipes);
+}
+
static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state,
int max_bpp,
@@ -171,6 +178,7 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
int bpp, slots = -EINVAL;
+ int dsc_slice_count = 0;
int max_dpt_bpp;
int ret = 0;
@@ -202,6 +210,15 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
drm_dbg_kms(&i915->drm, "Looking for slots in range min bpp %d max bpp %d\n",
min_bpp, max_bpp);
+ if (dsc) {
+ dsc_slice_count = intel_dp_mst_dsc_get_slice_count(connector, crtc_state);
+ if (!dsc_slice_count) {
+ drm_dbg_kms(&i915->drm, "Can't get valid DSC slice count\n");
+
+ return -ENOSPC;
+ }
+ }
+
for (bpp = max_bpp; bpp >= min_bpp; bpp -= step) {
int local_bw_overhead;
int remote_bw_overhead;
@@ -215,9 +232,9 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
intel_dp_output_bpp(crtc_state->output_format, bpp));
local_bw_overhead = intel_dp_mst_bw_overhead(crtc_state, connector,
- false, dsc, link_bpp_x16);
+ false, dsc_slice_count, link_bpp_x16);
remote_bw_overhead = intel_dp_mst_bw_overhead(crtc_state, connector,
- true, dsc, link_bpp_x16);
+ true, dsc_slice_count, link_bpp_x16);
intel_dp_mst_compute_m_n(crtc_state, connector,
local_bw_overhead,
@@ -448,6 +465,9 @@ hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector,
if (mode_hblank_period_ns(adjusted_mode) > hblank_limit)
return false;
+ if (!intel_dp_mst_dsc_get_slice_count(connector, crtc_state))
+ return false;
+
return true;
}
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 0f723292409e..fafed331e0a0 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -43,7 +43,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_encoder *clone_encoder;
- uint32_t index_mask = 0;
+ uint32_t index_mask = drm_encoder_mask(encoder);
int count;
/* DIG routing gets problematic */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 288ed0bb75cb..aec624196d6e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1283,7 +1283,6 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
{
struct drm_device *dev = &dev_priv->drm;
struct vmw_framebuffer_surface *vfbs;
- enum SVGA3dSurfaceFormat format;
struct vmw_surface *surface;
int ret;
@@ -1320,34 +1319,6 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
return -EINVAL;
}
- switch (mode_cmd->pixel_format) {
- case DRM_FORMAT_ARGB8888:
- format = SVGA3D_A8R8G8B8;
- break;
- case DRM_FORMAT_XRGB8888:
- format = SVGA3D_X8R8G8B8;
- break;
- case DRM_FORMAT_RGB565:
- format = SVGA3D_R5G6B5;
- break;
- case DRM_FORMAT_XRGB1555:
- format = SVGA3D_A1R5G5B5;
- break;
- default:
- DRM_ERROR("Invalid pixel format: %p4cc\n",
- &mode_cmd->pixel_format);
- return -EINVAL;
- }
-
- /*
- * For DX, surface format validation is done when surface->scanout
- * is set.
- */
- if (!has_sm4_context(dev_priv) && format != surface->metadata.format) {
- DRM_ERROR("Invalid surface format for requested mode.\n");
- return -EINVAL;
- }
-
vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
if (!vfbs) {
ret = -ENOMEM;
@@ -1539,6 +1510,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
DRM_ERROR("Surface size cannot exceed %dx%d\n",
dev_priv->texture_max_width,
dev_priv->texture_max_height);
+ ret = -EINVAL;
goto err_out;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 1625b30d9970..5721c74da3e0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -2276,9 +2276,12 @@ int vmw_dumb_create(struct drm_file *file_priv,
const struct SVGA3dSurfaceDesc *desc = vmw_surface_get_desc(format);
SVGA3dSurfaceAllFlags flags = SVGA3D_SURFACE_HINT_TEXTURE |
SVGA3D_SURFACE_HINT_RENDERTARGET |
- SVGA3D_SURFACE_SCREENTARGET |
- SVGA3D_SURFACE_BIND_SHADER_RESOURCE |
- SVGA3D_SURFACE_BIND_RENDER_TARGET;
+ SVGA3D_SURFACE_SCREENTARGET;
+
+ if (vmw_surface_is_dx_screen_target_format(format)) {
+ flags |= SVGA3D_SURFACE_BIND_SHADER_RESOURCE |
+ SVGA3D_SURFACE_BIND_RENDER_TARGET;
+ }
/*
* Without mob support we're just going to use raw memory buffer
diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c
index 80499681bd58..de80c8b7c891 100644
--- a/drivers/gpu/drm/xe/xe_sync.c
+++ b/drivers/gpu/drm/xe/xe_sync.c
@@ -58,7 +58,7 @@ static struct xe_user_fence *user_fence_create(struct xe_device *xe, u64 addr,
if (!access_ok(ptr, sizeof(*ptr)))
return ERR_PTR(-EFAULT);
- ufence = kmalloc(sizeof(*ufence), GFP_KERNEL);
+ ufence = kzalloc(sizeof(*ufence), GFP_KERNEL);
if (!ufence)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/xe/xe_wait_user_fence.c b/drivers/gpu/drm/xe/xe_wait_user_fence.c
index f69721339201..92f65b9c5280 100644
--- a/drivers/gpu/drm/xe/xe_wait_user_fence.c
+++ b/drivers/gpu/drm/xe/xe_wait_user_fence.c
@@ -169,9 +169,6 @@ int xe_wait_user_fence_ioctl(struct drm_device *dev, void *data,
args->timeout = 0;
}
- if (!timeout && !(err < 0))
- err = -ETIME;
-
if (q)
xe_exec_queue_put(q);
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 80b57d3ee3a7..c5b1db001d6f 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -420,6 +420,8 @@ config IIO_ST_ACCEL_SPI_3AXIS
config IIO_KX022A
tristate
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
config IIO_KX022A_SPI
tristate "Kionix KX022A tri-axis digital accelerometer SPI interface"
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index f60fe85a30d5..cceac30e2bb9 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -52,6 +52,8 @@ config AD7091R8
depends on SPI
select AD7091R
select REGMAP_SPI
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Analog Devices AD7091R-2, AD7091R-4,
and AD7091R-8 ADC.
@@ -305,6 +307,8 @@ config AD7923
config AD7944
tristate "Analog Devices AD7944 and similar ADCs driver"
depends on SPI
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Analog Devices
AD7944, AD7985, AD7986 ADCs.
@@ -1433,6 +1437,8 @@ config TI_ADS8344
config TI_ADS8688
tristate "Texas Instruments ADS8688"
depends on SPI
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
If you say yes here you get support for Texas Instruments ADS8684 and
and ADS8688 ADC chips
@@ -1443,6 +1449,8 @@ config TI_ADS8688
config TI_ADS124S08
tristate "Texas Instruments ADS124S08"
depends on SPI
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
If you say yes here you get support for Texas Instruments ADS124S08
and ADS124S06 ADC chips
@@ -1477,6 +1485,7 @@ config TI_AM335X_ADC
config TI_LMP92064
tristate "Texas Instruments LMP92064 ADC driver"
depends on SPI
+ select REGMAP_SPI
help
Say yes here to build support for the LMP92064 Precision Current and Voltage
sensor.
diff --git a/drivers/iio/amplifiers/Kconfig b/drivers/iio/amplifiers/Kconfig
index b54fe01734b0..55eb16b32f6c 100644
--- a/drivers/iio/amplifiers/Kconfig
+++ b/drivers/iio/amplifiers/Kconfig
@@ -27,6 +27,7 @@ config AD8366
config ADA4250
tristate "Analog Devices ADA4250 Instrumentation Amplifier"
depends on SPI
+ select REGMAP_SPI
help
Say yes here to build support for Analog Devices ADA4250
SPI Amplifier's support. The driver provides direct access via
diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index 678a6adb9a75..6c87223f58d9 100644
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -80,6 +80,8 @@ config ENS160
tristate "ScioSense ENS160 sensor driver"
depends on (I2C || SPI)
select REGMAP
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
select ENS160_I2C if I2C
select ENS160_SPI if SPI
help
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index ad8910e6ad59..abb09fefc792 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -32,7 +32,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev,
latency = integer * 1000 + fract / 1000;
ret = hid_sensor_set_report_latency(attrb, latency);
if (ret < 0)
- return len;
+ return ret;
attrb->latency_ms = hid_sensor_get_report_latency(attrb);
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index a2596c2d3de3..d2012c91dea8 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -9,6 +9,8 @@ menu "Digital to analog converters"
config AD3552R
tristate "Analog Devices AD3552R DAC driver"
depends on SPI_MASTER
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Analog Devices AD3552R
Digital to Analog Converter.
@@ -252,6 +254,8 @@ config AD5764
config AD5766
tristate "Analog Devices AD5766/AD5767 DAC driver"
depends on SPI_MASTER
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Analog Devices AD5766, AD5767
Digital to Analog Converter.
@@ -262,6 +266,7 @@ config AD5766
config AD5770R
tristate "Analog Devices AD5770R IDAC driver"
depends on SPI_MASTER
+ select REGMAP_SPI
help
Say yes here to build support for Analog Devices AD5770R Digital to
Analog Converter.
@@ -353,6 +358,7 @@ config LPC18XX_DAC
config LTC1660
tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver"
depends on SPI
+ select REGMAP_SPI
help
Say yes here to build support for Linear Technology
LTC1660 and LTC1665 Digital to Analog Converters.
@@ -472,6 +478,7 @@ config STM32_DAC
config STM32_DAC_CORE
tristate
+ select REGMAP_MMIO
config TI_DAC082S085
tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver"
diff --git a/drivers/iio/frequency/Kconfig b/drivers/iio/frequency/Kconfig
index c455be7d4a1c..89ae09db5ca5 100644
--- a/drivers/iio/frequency/Kconfig
+++ b/drivers/iio/frequency/Kconfig
@@ -53,6 +53,7 @@ config ADF4371
config ADF4377
tristate "Analog Devices ADF4377 Microwave Wideband Synthesizer"
depends on SPI && COMMON_CLK
+ select REGMAP_SPI
help
Say yes here to build support for Analog Devices ADF4377 Microwave
Wideband Synthesizer.
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index b68dcc1fbaca..c63fe9228ddb 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -322,6 +322,8 @@ config ROHM_BU27008
depends on I2C
select REGMAP_I2C
select IIO_GTS_HELPER
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Enable support for the ROHM BU27008 color sensor.
The ROHM BU27008 is a sensor with 5 photodiodes (red, green,
diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
index 887c4b776a86..176e54bb48c3 100644
--- a/drivers/iio/light/opt3001.c
+++ b/drivers/iio/light/opt3001.c
@@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = {
.val = 20966,
.val2 = 400000,
},
+ {
+ .val = 41932,
+ .val2 = 800000,
+ },
{
.val = 83865,
.val2 = 600000,
diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c
index 2e86d310952e..9630de1c578e 100644
--- a/drivers/iio/light/veml6030.c
+++ b/drivers/iio/light/veml6030.c
@@ -99,9 +99,8 @@ static const char * const period_values[] = {
static ssize_t in_illuminance_period_available_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct veml6030_data *data = iio_priv(dev_to_iio_dev(dev));
int ret, reg, x;
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
- struct veml6030_data *data = iio_priv(indio_dev);
ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, ®);
if (ret) {
@@ -780,7 +779,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev)
/* Cache currently active measurement parameters */
data->cur_gain = 3;
- data->cur_resolution = 4608;
+ data->cur_resolution = 5376;
data->cur_integration_time = 3;
return ret;
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index cd2917d71904..8d076fdd5f5d 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -11,6 +11,8 @@ config AF8133J
depends on I2C
depends on OF
select REGMAP_I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Voltafield AF8133J I2C-based
3-axis magnetometer chip.
diff --git a/drivers/iio/pressure/Kconfig b/drivers/iio/pressure/Kconfig
index 3ad38506028e..346dace9d651 100644
--- a/drivers/iio/pressure/Kconfig
+++ b/drivers/iio/pressure/Kconfig
@@ -19,6 +19,9 @@ config ABP060MG
config ROHM_BM1390
tristate "ROHM BM1390GLV-Z pressure sensor driver"
depends on I2C
+ select REGMAP_I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Support for the ROHM BM1390 pressure sensor. The BM1390GLV-Z
can measure pressures ranging from 300 hPa to 1300 hPa with
diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig
index 2ca3b0bc5eba..931eaea046b3 100644
--- a/drivers/iio/proximity/Kconfig
+++ b/drivers/iio/proximity/Kconfig
@@ -72,6 +72,8 @@ config LIDAR_LITE_V2
config MB1232
tristate "MaxSonar I2CXL family ultrasonic sensors"
depends on I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say Y to build a driver for the ultrasonic sensors I2CXL of
MaxBotix which have an i2c interface. It can be used to measure
diff --git a/drivers/iio/resolver/Kconfig b/drivers/iio/resolver/Kconfig
index 424529d36080..de2dee3832a1 100644
--- a/drivers/iio/resolver/Kconfig
+++ b/drivers/iio/resolver/Kconfig
@@ -31,6 +31,9 @@ config AD2S1210
depends on SPI
depends on COMMON_CLK
depends on GPIOLIB || COMPILE_TEST
+ select REGMAP
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
help
Say yes here to build support for Analog Devices spi resolver
to digital converters, ad2s1210, provides direct access via sysfs.
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 4eda18f4f46e..22ea58bf76cb 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -218,6 +218,7 @@ static const struct xpad_device {
{ 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
{ 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
{ 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
+ { 0x0db0, 0x1901, "Micro Star International Xbox360 Controller for Windows", 0, XTYPE_XBOX360 },
{ 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
{ 0x0e4c, 0x1103, "Radica Gamester Reflex", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX },
{ 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
@@ -373,6 +374,7 @@ static const struct xpad_device {
{ 0x294b, 0x3404, "Snakebyte GAMEPAD RGB X", 0, XTYPE_XBOXONE },
{ 0x2dc8, 0x2000, "8BitDo Pro 2 Wired Controller fox Xbox", 0, XTYPE_XBOXONE },
{ 0x2dc8, 0x3106, "8BitDo Pro 2 Wired Controller", 0, XTYPE_XBOX360 },
+ { 0x2dc8, 0x310a, "8BitDo Ultimate 2C Wireless Controller", 0, XTYPE_XBOX360 },
{ 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE },
{ 0x31e3, 0x1100, "Wooting One", 0, XTYPE_XBOX360 },
{ 0x31e3, 0x1200, "Wooting Two", 0, XTYPE_XBOX360 },
@@ -492,6 +494,7 @@ static const struct usb_device_id xpad_table[] = {
XPAD_XBOX360_VENDOR(0x07ff), /* Mad Catz Gamepad */
XPAD_XBOXONE_VENDOR(0x0b05), /* ASUS controllers */
XPAD_XBOX360_VENDOR(0x0c12), /* Zeroplus X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x0db0), /* Micro Star International X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f Xbox 360 controllers */
XPAD_XBOXONE_VENDOR(0x0e6f), /* 0x0e6f Xbox One controllers */
XPAD_XBOX360_VENDOR(0x0f0d), /* Hori controllers */
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index e3e513cabc86..dda6dea7cce0 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3520,8 +3520,10 @@ static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *op
*/
static void domain_context_clear(struct device_domain_info *info)
{
- if (!dev_is_pci(info->dev))
+ if (!dev_is_pci(info->dev)) {
domain_context_clear_one(info, info->bus, info->devfn);
+ return;
+ }
pci_for_each_dma_alias(to_pci_dev(info->dev),
&domain_context_clear_one_cb, info);
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index fdec478ba5e7..ab597e74ba08 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -797,8 +797,8 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
its_encode_valid(cmd, desc->its_vmapp_cmd.valid);
if (!desc->its_vmapp_cmd.valid) {
+ alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
if (is_v4_1(its)) {
- alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
its_encode_alloc(cmd, alloc);
/*
* Unmapping a VPE is self-synchronizing on GICv4.1,
@@ -817,13 +817,13 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
its_encode_vpt_addr(cmd, vpt_addr);
its_encode_vpt_size(cmd, LPI_NRBITS - 1);
+ alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count);
+
if (!is_v4_1(its))
goto out;
vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page));
- alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count);
-
its_encode_alloc(cmd, alloc);
/*
@@ -3806,6 +3806,13 @@ static int its_vpe_set_affinity(struct irq_data *d,
struct cpumask *table_mask;
unsigned long flags;
+ /*
+ * Check if we're racing against a VPE being destroyed, for
+ * which we don't want to allow a VMOVP.
+ */
+ if (!atomic_read(&vpe->vmapp_count))
+ return -EINVAL;
+
/*
* Changing affinity is mega expensive, so let's be as lazy as
* we can and only do it if we really have to. Also, if mapped
@@ -4463,9 +4470,8 @@ static int its_vpe_init(struct its_vpe *vpe)
raw_spin_lock_init(&vpe->vpe_lock);
vpe->vpe_id = vpe_id;
vpe->vpt_page = vpt_page;
- if (gic_rdists->has_rvpeid)
- atomic_set(&vpe->vmapp_count, 0);
- else
+ atomic_set(&vpe->vmapp_count, 0);
+ if (!gic_rdists->has_rvpeid)
vpe->vpe_proxy_event = -1;
return 0;
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 4d9ea718086d..70867bea560f 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -123,16 +123,6 @@ static inline void plic_irq_toggle(const struct cpumask *mask,
}
}
-static void plic_irq_enable(struct irq_data *d)
-{
- plic_irq_toggle(irq_data_get_effective_affinity_mask(d), d, 1);
-}
-
-static void plic_irq_disable(struct irq_data *d)
-{
- plic_irq_toggle(irq_data_get_effective_affinity_mask(d), d, 0);
-}
-
static void plic_irq_unmask(struct irq_data *d)
{
struct plic_priv *priv = irq_data_get_irq_chip_data(d);
@@ -147,6 +137,17 @@ static void plic_irq_mask(struct irq_data *d)
writel(0, priv->regs + PRIORITY_BASE + d->hwirq * PRIORITY_PER_ID);
}
+static void plic_irq_enable(struct irq_data *d)
+{
+ plic_irq_toggle(irq_data_get_effective_affinity_mask(d), d, 1);
+ plic_irq_unmask(d);
+}
+
+static void plic_irq_disable(struct irq_data *d)
+{
+ plic_irq_toggle(irq_data_get_effective_affinity_mask(d), d, 0);
+}
+
static void plic_irq_eoi(struct irq_data *d)
{
struct plic_handler *handler = this_cpu_ptr(&plic_handlers);
@@ -577,8 +578,10 @@ static int plic_probe(struct fwnode_handle *fwnode)
handler->enable_save = kcalloc(DIV_ROUND_UP(nr_irqs, 32),
sizeof(*handler->enable_save), GFP_KERNEL);
- if (!handler->enable_save)
+ if (!handler->enable_save) {
+ error = -ENOMEM;
goto fail_cleanup_contexts;
+ }
done:
for (hwirq = 1; hwirq <= nr_irqs; hwirq++) {
plic_toggle(handler, hwirq, 0);
@@ -590,8 +593,10 @@ static int plic_probe(struct fwnode_handle *fwnode)
priv->irqdomain = irq_domain_add_linear(to_of_node(fwnode), nr_irqs + 1,
&plic_irqdomain_ops, priv);
- if (WARN_ON(!priv->irqdomain))
+ if (WARN_ON(!priv->irqdomain)) {
+ error = -ENOMEM;
goto fail_cleanup_contexts;
+ }
/*
* We can have multiple PLIC instances so setup global state
diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
index 7c3d8bedf90b..a2ed477e0370 100644
--- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
+++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c
@@ -364,6 +364,7 @@ static int pci1xxxx_otp_eeprom_probe(struct auxiliary_device *aux_dev,
if (is_eeprom_responsive(priv)) {
priv->nvmem_config_eeprom.type = NVMEM_TYPE_EEPROM;
priv->nvmem_config_eeprom.name = EEPROM_NAME;
+ priv->nvmem_config_eeprom.id = NVMEM_DEVID_AUTO;
priv->nvmem_config_eeprom.dev = &aux_dev->dev;
priv->nvmem_config_eeprom.owner = THIS_MODULE;
priv->nvmem_config_eeprom.reg_read = pci1xxxx_eeprom_read;
@@ -383,6 +384,7 @@ static int pci1xxxx_otp_eeprom_probe(struct auxiliary_device *aux_dev,
priv->nvmem_config_otp.type = NVMEM_TYPE_OTP;
priv->nvmem_config_otp.name = OTP_NAME;
+ priv->nvmem_config_otp.id = NVMEM_DEVID_AUTO;
priv->nvmem_config_otp.dev = &aux_dev->dev;
priv->nvmem_config_otp.owner = THIS_MODULE;
priv->nvmem_config_otp.reg_read = pci1xxxx_otp_read;
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index dcd3f54ed0cf..c1dcd93f6b1c 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -930,9 +930,6 @@ static int macb_mdiobus_register(struct macb *bp)
return ret;
}
- if (of_phy_is_fixed_link(np))
- return mdiobus_register(bp->mii_bus);
-
/* Only create the PHY from the device tree if at least one PHY is
* described. Otherwise scan the entire MDIO bus. We do this to support
* old device tree that did not follow the best practices and did not
@@ -953,8 +950,19 @@ static int macb_mdiobus_register(struct macb *bp)
static int macb_mii_init(struct macb *bp)
{
+ struct device_node *child, *np = bp->pdev->dev.of_node;
int err = -ENXIO;
+ /* With fixed-link, we don't need to register the MDIO bus,
+ * except if we have a child named "mdio" in the device tree.
+ * In that case, some devices may be attached to the MACB's MDIO bus.
+ */
+ child = of_get_child_by_name(np, "mdio");
+ if (child)
+ of_node_put(child);
+ else if (of_phy_is_fixed_link(np))
+ return macb_mii_probe(bp->dev);
+
/* Enable management port */
macb_writel(bp, NCR, MACB_BIT(MPE));
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index f04f42ea60c0..0b6b92b04b91 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -902,6 +902,7 @@ static bool enetc_clean_tx_ring(struct enetc_bdr *tx_ring, int napi_budget)
if (unlikely(tx_frm_cnt && netif_carrier_ok(ndev) &&
__netif_subqueue_stopped(ndev, tx_ring->index) &&
+ !test_bit(ENETC_TX_DOWN, &priv->flags) &&
(enetc_bd_unused(tx_ring) >= ENETC_TXBDS_MAX_NEEDED))) {
netif_wake_subqueue(ndev, tx_ring->index);
}
@@ -1380,6 +1381,9 @@ int enetc_xdp_xmit(struct net_device *ndev, int num_frames,
int xdp_tx_bd_cnt, i, k;
int xdp_tx_frm_cnt = 0;
+ if (unlikely(test_bit(ENETC_TX_DOWN, &priv->flags)))
+ return -ENETDOWN;
+
enetc_lock_mdio();
tx_ring = priv->xdp_tx_ring[smp_processor_id()];
@@ -1524,7 +1528,6 @@ static void enetc_xdp_drop(struct enetc_bdr *rx_ring, int rx_ring_first,
&rx_ring->rx_swbd[rx_ring_first]);
enetc_bdr_idx_inc(rx_ring, &rx_ring_first);
}
- rx_ring->stats.xdp_drops++;
}
static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
@@ -1589,6 +1592,7 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
fallthrough;
case XDP_DROP:
enetc_xdp_drop(rx_ring, orig_i, i);
+ rx_ring->stats.xdp_drops++;
break;
case XDP_PASS:
rxbd = orig_rxbd;
@@ -1605,6 +1609,12 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
break;
case XDP_TX:
tx_ring = priv->xdp_tx_ring[rx_ring->index];
+ if (unlikely(test_bit(ENETC_TX_DOWN, &priv->flags))) {
+ enetc_xdp_drop(rx_ring, orig_i, i);
+ tx_ring->stats.xdp_tx_drops++;
+ break;
+ }
+
xdp_tx_bd_cnt = enetc_rx_swbd_to_xdp_tx_swbd(xdp_tx_arr,
rx_ring,
orig_i, i);
@@ -2226,18 +2236,24 @@ static void enetc_enable_rxbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring)
enetc_rxbdr_wr(hw, idx, ENETC_RBMR, rbmr);
}
-static void enetc_enable_bdrs(struct enetc_ndev_priv *priv)
+static void enetc_enable_rx_bdrs(struct enetc_ndev_priv *priv)
{
struct enetc_hw *hw = &priv->si->hw;
int i;
- for (i = 0; i < priv->num_tx_rings; i++)
- enetc_enable_txbdr(hw, priv->tx_ring[i]);
-
for (i = 0; i < priv->num_rx_rings; i++)
enetc_enable_rxbdr(hw, priv->rx_ring[i]);
}
+static void enetc_enable_tx_bdrs(struct enetc_ndev_priv *priv)
+{
+ struct enetc_hw *hw = &priv->si->hw;
+ int i;
+
+ for (i = 0; i < priv->num_tx_rings; i++)
+ enetc_enable_txbdr(hw, priv->tx_ring[i]);
+}
+
static void enetc_disable_rxbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring)
{
int idx = rx_ring->index;
@@ -2254,18 +2270,24 @@ static void enetc_disable_txbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring)
enetc_txbdr_wr(hw, idx, ENETC_TBMR, 0);
}
-static void enetc_disable_bdrs(struct enetc_ndev_priv *priv)
+static void enetc_disable_rx_bdrs(struct enetc_ndev_priv *priv)
{
struct enetc_hw *hw = &priv->si->hw;
int i;
- for (i = 0; i < priv->num_tx_rings; i++)
- enetc_disable_txbdr(hw, priv->tx_ring[i]);
-
for (i = 0; i < priv->num_rx_rings; i++)
enetc_disable_rxbdr(hw, priv->rx_ring[i]);
}
+static void enetc_disable_tx_bdrs(struct enetc_ndev_priv *priv)
+{
+ struct enetc_hw *hw = &priv->si->hw;
+ int i;
+
+ for (i = 0; i < priv->num_tx_rings; i++)
+ enetc_disable_txbdr(hw, priv->tx_ring[i]);
+}
+
static void enetc_wait_txbdr(struct enetc_hw *hw, struct enetc_bdr *tx_ring)
{
int delay = 8, timeout = 100;
@@ -2463,9 +2485,13 @@ void enetc_start(struct net_device *ndev)
enable_irq(irq);
}
- enetc_enable_bdrs(priv);
+ enetc_enable_tx_bdrs(priv);
+
+ enetc_enable_rx_bdrs(priv);
netif_tx_start_all_queues(ndev);
+
+ clear_bit(ENETC_TX_DOWN, &priv->flags);
}
EXPORT_SYMBOL_GPL(enetc_start);
@@ -2523,9 +2549,15 @@ void enetc_stop(struct net_device *ndev)
struct enetc_ndev_priv *priv = netdev_priv(ndev);
int i;
+ set_bit(ENETC_TX_DOWN, &priv->flags);
+
netif_tx_stop_all_queues(ndev);
- enetc_disable_bdrs(priv);
+ enetc_disable_rx_bdrs(priv);
+
+ enetc_wait_bdrs(priv);
+
+ enetc_disable_tx_bdrs(priv);
for (i = 0; i < priv->bdr_int_num; i++) {
int irq = pci_irq_vector(priv->si->pdev,
@@ -2536,8 +2568,6 @@ void enetc_stop(struct net_device *ndev)
napi_disable(&priv->int_vector[i]->napi);
}
- enetc_wait_bdrs(priv);
-
enetc_clear_interrupts(priv);
}
EXPORT_SYMBOL_GPL(enetc_stop);
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h
index a9c2ff22431c..4f3b314aeead 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc.h
@@ -328,6 +328,7 @@ enum enetc_active_offloads {
enum enetc_flags_bit {
ENETC_TX_ONESTEP_TSTAMP_IN_PROGRESS = 0,
+ ENETC_TX_DOWN,
};
/* interrupt coalescing modes */
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 5e8fac50f945..a4eb6edb850a 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -90,6 +90,30 @@
#define FEC_PTP_MAX_NSEC_PERIOD 4000000000ULL
#define FEC_PTP_MAX_NSEC_COUNTER 0x80000000ULL
+/**
+ * fec_ptp_read - read raw cycle counter (to be used by time counter)
+ * @cc: the cyclecounter structure
+ *
+ * this function reads the cyclecounter registers and is called by the
+ * cyclecounter structure used to construct a ns counter from the
+ * arbitrary fixed point registers
+ */
+static u64 fec_ptp_read(const struct cyclecounter *cc)
+{
+ struct fec_enet_private *fep =
+ container_of(cc, struct fec_enet_private, cc);
+ u32 tempval;
+
+ tempval = readl(fep->hwp + FEC_ATIME_CTRL);
+ tempval |= FEC_T_CTRL_CAPTURE;
+ writel(tempval, fep->hwp + FEC_ATIME_CTRL);
+
+ if (fep->quirks & FEC_QUIRK_BUG_CAPTURE)
+ udelay(1);
+
+ return readl(fep->hwp + FEC_ATIME);
+}
+
/**
* fec_ptp_enable_pps
* @fep: the fec_enet_private structure handle
@@ -136,7 +160,7 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
* NSEC_PER_SEC - ts.tv_nsec. Add the remaining nanoseconds
* to current timer would be next second.
*/
- tempval = fep->cc.read(&fep->cc);
+ tempval = fec_ptp_read(&fep->cc);
/* Convert the ptp local counter to 1588 timestamp */
ns = timecounter_cyc2time(&fep->tc, tempval);
ts = ns_to_timespec64(ns);
@@ -211,13 +235,7 @@ static int fec_ptp_pps_perout(struct fec_enet_private *fep)
timecounter_read(&fep->tc);
/* Get the current ptp hardware time counter */
- temp_val = readl(fep->hwp + FEC_ATIME_CTRL);
- temp_val |= FEC_T_CTRL_CAPTURE;
- writel(temp_val, fep->hwp + FEC_ATIME_CTRL);
- if (fep->quirks & FEC_QUIRK_BUG_CAPTURE)
- udelay(1);
-
- ptp_hc = readl(fep->hwp + FEC_ATIME);
+ ptp_hc = fec_ptp_read(&fep->cc);
/* Convert the ptp local counter to 1588 timestamp */
curr_time = timecounter_cyc2time(&fep->tc, ptp_hc);
@@ -271,30 +289,6 @@ static enum hrtimer_restart fec_ptp_pps_perout_handler(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
-/**
- * fec_ptp_read - read raw cycle counter (to be used by time counter)
- * @cc: the cyclecounter structure
- *
- * this function reads the cyclecounter registers and is called by the
- * cyclecounter structure used to construct a ns counter from the
- * arbitrary fixed point registers
- */
-static u64 fec_ptp_read(const struct cyclecounter *cc)
-{
- struct fec_enet_private *fep =
- container_of(cc, struct fec_enet_private, cc);
- u32 tempval;
-
- tempval = readl(fep->hwp + FEC_ATIME_CTRL);
- tempval |= FEC_T_CTRL_CAPTURE;
- writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
- if (fep->quirks & FEC_QUIRK_BUG_CAPTURE)
- udelay(1);
-
- return readl(fep->hwp + FEC_ATIME);
-}
-
/**
* fec_ptp_start_cyclecounter - create the cycle counter from hw
* @ndev: network device
diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
index f2a5a36fdacd..7251121ab196 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
@@ -1444,6 +1444,8 @@ static void vcap_api_encode_rule_test(struct kunit *test)
ret = vcap_del_rule(&test_vctrl, &test_netdev, id);
KUNIT_EXPECT_EQ(test, 0, ret);
+
+ vcap_free_rule(rule);
}
static void vcap_api_set_rule_counter_test(struct kunit *test)
diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
index 3ef486cd3d6d..3880460e67f2 100644
--- a/drivers/parport/procfs.c
+++ b/drivers/parport/procfs.c
@@ -51,12 +51,12 @@ static int do_active_device(const struct ctl_table *table, int write,
for (dev = port->devices; dev ; dev = dev->next) {
if(dev == port->cad) {
- len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name);
+ len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name);
}
}
if(!len) {
- len += snprintf(buffer, sizeof(buffer), "%s\n", "none");
+ len += scnprintf(buffer, sizeof(buffer), "%s\n", "none");
}
if (len > *lenp)
@@ -87,19 +87,19 @@ static int do_autoprobe(const struct ctl_table *table, int write,
}
if ((str = info->class_name) != NULL)
- len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str);
+ len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str);
if ((str = info->model) != NULL)
- len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str);
+ len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str);
if ((str = info->mfr) != NULL)
- len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str);
+ len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str);
if ((str = info->description) != NULL)
- len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str);
+ len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str);
if ((str = info->cmdset) != NULL)
- len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str);
+ len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str);
if (len > *lenp)
len = *lenp;
@@ -128,7 +128,7 @@ static int do_hardware_base_addr(const struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi);
+ len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi);
if (len > *lenp)
len = *lenp;
@@ -155,7 +155,7 @@ static int do_hardware_irq(const struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq);
+ len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq);
if (len > *lenp)
len = *lenp;
@@ -182,7 +182,7 @@ static int do_hardware_dma(const struct ctl_table *table, int write,
if (write) /* permissions prevent this anyway */
return -EACCES;
- len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma);
+ len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma);
if (len > *lenp)
len = *lenp;
@@ -213,7 +213,7 @@ static int do_hardware_modes(const struct ctl_table *table, int write,
#define printmode(x) \
do { \
if (port->modes & PARPORT_MODE_##x) \
- len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \
+ len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \
} while (0)
int f = 0;
printmode(PCSPP);
diff --git a/drivers/pinctrl/intel/pinctrl-intel-platform.c b/drivers/pinctrl/intel/pinctrl-intel-platform.c
index 4a19ab3b4ba7..2d5ba8278fb9 100644
--- a/drivers/pinctrl/intel/pinctrl-intel-platform.c
+++ b/drivers/pinctrl/intel/pinctrl-intel-platform.c
@@ -90,7 +90,6 @@ static int intel_platform_pinctrl_prepare_community(struct device *dev,
struct intel_community *community,
struct intel_platform_pins *pins)
{
- struct fwnode_handle *child;
struct intel_padgroup *gpps;
unsigned int group;
size_t ngpps;
@@ -131,7 +130,7 @@ static int intel_platform_pinctrl_prepare_community(struct device *dev,
return -ENOMEM;
group = 0;
- device_for_each_child_node(dev, child) {
+ device_for_each_child_node_scoped(dev, child) {
struct intel_padgroup *gpp = &gpps[group];
gpp->reg_num = group;
diff --git a/drivers/pinctrl/nuvoton/pinctrl-ma35.c b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
index 1fa00a23534a..59c4e7c6cdde 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-ma35.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-ma35.c
@@ -218,7 +218,7 @@ static int ma35_pinctrl_dt_node_to_map_func(struct pinctrl_dev *pctldev,
}
map_num += grp->npins;
- new_map = devm_kcalloc(pctldev->dev, map_num, sizeof(*new_map), GFP_KERNEL);
+ new_map = kcalloc(map_num, sizeof(*new_map), GFP_KERNEL);
if (!new_map)
return -ENOMEM;
diff --git a/drivers/pinctrl/pinctrl-apple-gpio.c b/drivers/pinctrl/pinctrl-apple-gpio.c
index 3751c7de37aa..f861e63f4115 100644
--- a/drivers/pinctrl/pinctrl-apple-gpio.c
+++ b/drivers/pinctrl/pinctrl-apple-gpio.c
@@ -474,6 +474,9 @@ static int apple_gpio_pinctrl_probe(struct platform_device *pdev)
for (i = 0; i < npins; i++) {
pins[i].number = i;
pins[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "PIN%u", i);
+ if (!pins[i].name)
+ return -ENOMEM;
+
pins[i].drv_data = pctl;
pin_names[i] = pins[i].name;
pin_nums[i] = i;
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
index be9b8c010167..d1ab8450ea93 100644
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -1955,21 +1955,21 @@ static void ocelot_irq_handler(struct irq_desc *desc)
unsigned int reg = 0, irq, i;
unsigned long irqs;
+ chained_irq_enter(parent_chip, desc);
+
for (i = 0; i < info->stride; i++) {
regmap_read(info->map, id_reg + 4 * i, ®);
if (!reg)
continue;
- chained_irq_enter(parent_chip, desc);
-
irqs = reg;
for_each_set_bit(irq, &irqs,
min(32U, info->desc->npins - 32 * i))
generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
-
- chained_irq_exit(parent_chip, desc);
}
+
+ chained_irq_exit(parent_chip, desc);
}
static int ocelot_gpiochip_register(struct platform_device *pdev,
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index a8673739871d..5b7fa77c1184 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -1374,10 +1374,15 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl, struct fwnode
for (i = 0; i < npins; i++) {
stm32_pin = stm32_pctrl_get_desc_pin_from_gpio(pctl, bank, i);
- if (stm32_pin && stm32_pin->pin.name)
+ if (stm32_pin && stm32_pin->pin.name) {
names[i] = devm_kasprintf(dev, GFP_KERNEL, "%s", stm32_pin->pin.name);
- else
+ if (!names[i]) {
+ err = -ENOMEM;
+ goto err_clk;
+ }
+ } else {
names[i] = NULL;
+ }
}
bank->gpio_chip.names = (const char * const *)names;
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index f3621adbd5de..fbffd451031f 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -1195,7 +1195,8 @@ sclp_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
}
static struct notifier_block sclp_reboot_notifier = {
- .notifier_call = sclp_reboot_event
+ .notifier_call = sclp_reboot_event,
+ .priority = INT_MIN,
};
static ssize_t con_pages_show(struct device_driver *dev, char *buf)
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 218ae604f737..33b9c968dbcb 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -319,7 +319,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request,
buffer = (void *) ((addr_t) sccb + sccb->header.length);
if (convertlf) {
- /* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/
+ /* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/
for (from=0, to=0;
(from < count) && (to < sclp_vt220_space_left(request));
from++) {
@@ -328,8 +328,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request,
/* Perform conversion */
if (c == 0x0a) {
if (to + 1 < sclp_vt220_space_left(request)) {
- ((unsigned char *) buffer)[to++] = c;
((unsigned char *) buffer)[to++] = 0x0d;
+ ((unsigned char *) buffer)[to++] = c;
} else
break;
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index dc2cdd5f0311..3822efe349e1 100644
--- a/drivers/scsi/mpi3mr/mpi3mr.h
+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -541,8 +541,8 @@ struct mpi3mr_hba_port {
* @port_list: List of ports belonging to a SAS node
* @num_phys: Number of phys associated with port
* @marked_responding: used while refresing the sas ports
- * @lowest_phy: lowest phy ID of current sas port
- * @phy_mask: phy_mask of current sas port
+ * @lowest_phy: lowest phy ID of current sas port, valid for controller port
+ * @phy_mask: phy_mask of current sas port, valid for controller port
* @hba_port: HBA port entry
* @remote_identify: Attached device identification
* @rphy: SAS transport layer rphy object
diff --git a/drivers/scsi/mpi3mr/mpi3mr_transport.c b/drivers/scsi/mpi3mr/mpi3mr_transport.c
index ccd23def2e0c..0ba9e6a6a13c 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_transport.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_transport.c
@@ -590,12 +590,13 @@ static enum sas_linkrate mpi3mr_convert_phy_link_rate(u8 link_rate)
* @mrioc: Adapter instance reference
* @mr_sas_port: Internal Port object
* @mr_sas_phy: Internal Phy object
+ * @host_node: Flag to indicate this is a host_node
*
* Return: None.
*/
static void mpi3mr_delete_sas_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_port *mr_sas_port,
- struct mpi3mr_sas_phy *mr_sas_phy)
+ struct mpi3mr_sas_phy *mr_sas_phy, u8 host_node)
{
u64 sas_address = mr_sas_port->remote_identify.sas_address;
@@ -605,9 +606,13 @@ static void mpi3mr_delete_sas_phy(struct mpi3mr_ioc *mrioc,
list_del(&mr_sas_phy->port_siblings);
mr_sas_port->num_phys--;
- mr_sas_port->phy_mask &= ~(1 << mr_sas_phy->phy_id);
- if (mr_sas_port->lowest_phy == mr_sas_phy->phy_id)
- mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
+
+ if (host_node) {
+ mr_sas_port->phy_mask &= ~(1 << mr_sas_phy->phy_id);
+
+ if (mr_sas_port->lowest_phy == mr_sas_phy->phy_id)
+ mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
+ }
sas_port_delete_phy(mr_sas_port->port, mr_sas_phy->phy);
mr_sas_phy->phy_belongs_to_port = 0;
}
@@ -617,12 +622,13 @@ static void mpi3mr_delete_sas_phy(struct mpi3mr_ioc *mrioc,
* @mrioc: Adapter instance reference
* @mr_sas_port: Internal Port object
* @mr_sas_phy: Internal Phy object
+ * @host_node: Flag to indicate this is a host_node
*
* Return: None.
*/
static void mpi3mr_add_sas_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_port *mr_sas_port,
- struct mpi3mr_sas_phy *mr_sas_phy)
+ struct mpi3mr_sas_phy *mr_sas_phy, u8 host_node)
{
u64 sas_address = mr_sas_port->remote_identify.sas_address;
@@ -632,9 +638,12 @@ static void mpi3mr_add_sas_phy(struct mpi3mr_ioc *mrioc,
list_add_tail(&mr_sas_phy->port_siblings, &mr_sas_port->phy_list);
mr_sas_port->num_phys++;
- mr_sas_port->phy_mask |= (1 << mr_sas_phy->phy_id);
- if (mr_sas_phy->phy_id < mr_sas_port->lowest_phy)
- mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
+ if (host_node) {
+ mr_sas_port->phy_mask |= (1 << mr_sas_phy->phy_id);
+
+ if (mr_sas_phy->phy_id < mr_sas_port->lowest_phy)
+ mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
+ }
sas_port_add_phy(mr_sas_port->port, mr_sas_phy->phy);
mr_sas_phy->phy_belongs_to_port = 1;
}
@@ -675,7 +684,7 @@ static void mpi3mr_add_phy_to_an_existing_port(struct mpi3mr_ioc *mrioc,
if (srch_phy == mr_sas_phy)
return;
}
- mpi3mr_add_sas_phy(mrioc, mr_sas_port, mr_sas_phy);
+ mpi3mr_add_sas_phy(mrioc, mr_sas_port, mr_sas_phy, mr_sas_node->host_node);
return;
}
}
@@ -736,7 +745,7 @@ static void mpi3mr_del_phy_from_an_existing_port(struct mpi3mr_ioc *mrioc,
mpi3mr_delete_sas_port(mrioc, mr_sas_port);
else
mpi3mr_delete_sas_phy(mrioc, mr_sas_port,
- mr_sas_phy);
+ mr_sas_phy, mr_sas_node->host_node);
return;
}
}
@@ -1028,7 +1037,7 @@ mpi3mr_alloc_hba_port(struct mpi3mr_ioc *mrioc, u16 port_id)
/**
* mpi3mr_get_hba_port_by_id - find hba port by id
* @mrioc: Adapter instance reference
- * @port_id - Port ID to search
+ * @port_id: Port ID to search
*
* Return: mpi3mr_hba_port reference for the matched port
*/
@@ -1367,7 +1376,8 @@ static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
mpi3mr_sas_port_sanity_check(mrioc, mr_sas_node,
mr_sas_port->remote_identify.sas_address, hba_port);
- if (mr_sas_node->num_phys >= sizeof(mr_sas_port->phy_mask) * 8)
+ if (mr_sas_node->host_node && mr_sas_node->num_phys >=
+ sizeof(mr_sas_port->phy_mask) * 8)
ioc_info(mrioc, "max port count %u could be too high\n",
mr_sas_node->num_phys);
@@ -1377,7 +1387,7 @@ static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
(mr_sas_node->phy[i].hba_port != hba_port))
continue;
- if (i >= sizeof(mr_sas_port->phy_mask) * 8) {
+ if (mr_sas_node->host_node && (i >= sizeof(mr_sas_port->phy_mask) * 8)) {
ioc_warn(mrioc, "skipping port %u, max allowed value is %zu\n",
i, sizeof(mr_sas_port->phy_mask) * 8);
goto out_fail;
@@ -1385,7 +1395,8 @@ static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
list_add_tail(&mr_sas_node->phy[i].port_siblings,
&mr_sas_port->phy_list);
mr_sas_port->num_phys++;
- mr_sas_port->phy_mask |= (1 << i);
+ if (mr_sas_node->host_node)
+ mr_sas_port->phy_mask |= (1 << i);
}
if (!mr_sas_port->num_phys) {
@@ -1394,7 +1405,8 @@ static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
goto out_fail;
}
- mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
+ if (mr_sas_node->host_node)
+ mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;
if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
tgtdev = mpi3mr_get_tgtdev_by_addr(mrioc,
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 5d37a0984916..252849910588 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -3157,6 +3157,8 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc)
mutex_unlock(&gsm->mutex);
/* Now wipe the queues */
tty_ldisc_flush(gsm->tty);
+
+ guard(spinlock_irqsave)(&gsm->tx_lock);
list_for_each_entry_safe(txq, ntxq, &gsm->tx_ctrl_list, list)
kfree(txq);
INIT_LIST_HEAD(&gsm->tx_ctrl_list);
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 67d4a72eda77..90974d338f3c 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -762,6 +762,21 @@ static irqreturn_t __imx_uart_rtsint(int irq, void *dev_id)
imx_uart_writel(sport, USR1_RTSD, USR1);
usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;
+ /*
+ * Update sport->old_status here, so any follow-up calls to
+ * imx_uart_mctrl_check() will be able to recognize that RTS
+ * state changed since last imx_uart_mctrl_check() call.
+ *
+ * In case RTS has been detected as asserted here and later on
+ * deasserted by the time imx_uart_mctrl_check() was called,
+ * imx_uart_mctrl_check() can detect the RTS state change and
+ * trigger uart_handle_cts_change() to unblock the port for
+ * further TX transfers.
+ */
+ if (usr1 & USR1_RTSS)
+ sport->old_status |= TIOCM_CTS;
+ else
+ sport->old_status &= ~TIOCM_CTS;
uart_handle_cts_change(&sport->port, usr1);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index f8f6e9466b40..3acba0887fca 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -146,6 +146,7 @@ static struct uart_driver qcom_geni_console_driver;
static struct uart_driver qcom_geni_uart_driver;
static void qcom_geni_serial_cancel_tx_cmd(struct uart_port *uport);
+static int qcom_geni_serial_port_setup(struct uart_port *uport);
static inline struct qcom_geni_serial_port *to_dev_port(struct uart_port *uport)
{
@@ -393,6 +394,23 @@ static void qcom_geni_serial_poll_put_char(struct uart_port *uport,
writel(M_TX_FIFO_WATERMARK_EN, uport->membase + SE_GENI_M_IRQ_CLEAR);
qcom_geni_serial_poll_tx_done(uport);
}
+
+static int qcom_geni_serial_poll_init(struct uart_port *uport)
+{
+ struct qcom_geni_serial_port *port = to_dev_port(uport);
+ int ret;
+
+ if (!port->setup) {
+ ret = qcom_geni_serial_port_setup(uport);
+ if (ret)
+ return ret;
+ }
+
+ if (!qcom_geni_serial_secondary_active(uport))
+ geni_se_setup_s_cmd(&port->se, UART_START_READ, 0);
+
+ return 0;
+}
#endif
#ifdef CONFIG_SERIAL_QCOM_GENI_CONSOLE
@@ -769,17 +787,27 @@ static void qcom_geni_serial_start_rx_fifo(struct uart_port *uport)
static void qcom_geni_serial_stop_rx_dma(struct uart_port *uport)
{
struct qcom_geni_serial_port *port = to_dev_port(uport);
+ bool done;
if (!qcom_geni_serial_secondary_active(uport))
return;
geni_se_cancel_s_cmd(&port->se);
- qcom_geni_serial_poll_bit(uport, SE_GENI_S_IRQ_STATUS,
- S_CMD_CANCEL_EN, true);
-
- if (qcom_geni_serial_secondary_active(uport))
+ done = qcom_geni_serial_poll_bit(uport, SE_DMA_RX_IRQ_STAT,
+ RX_EOT, true);
+ if (done) {
+ writel(RX_EOT | RX_DMA_DONE,
+ uport->membase + SE_DMA_RX_IRQ_CLR);
+ } else {
qcom_geni_serial_abort_rx(uport);
+ writel(1, uport->membase + SE_DMA_RX_FSM_RST);
+ qcom_geni_serial_poll_bit(uport, SE_DMA_RX_IRQ_STAT,
+ RX_RESET_DONE, true);
+ writel(RX_RESET_DONE | RX_DMA_DONE,
+ uport->membase + SE_DMA_RX_IRQ_CLR);
+ }
+
if (port->rx_dma_addr) {
geni_se_rx_dma_unprep(&port->se, port->rx_dma_addr,
DMA_RX_BUF_SIZE);
@@ -1078,10 +1106,12 @@ static void qcom_geni_serial_shutdown(struct uart_port *uport)
{
disable_irq(uport->irq);
+ uart_port_lock_irq(uport);
qcom_geni_serial_stop_tx(uport);
qcom_geni_serial_stop_rx(uport);
qcom_geni_serial_cancel_tx_cmd(uport);
+ uart_port_unlock_irq(uport);
}
static void qcom_geni_serial_flush_buffer(struct uart_port *uport)
@@ -1134,7 +1164,6 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport)
false, true, true);
geni_se_init(&port->se, UART_RX_WM, port->rx_fifo_depth - 2);
geni_se_select_mode(&port->se, port->dev_data->mode);
- qcom_geni_serial_start_rx(uport);
port->setup = true;
return 0;
@@ -1150,6 +1179,11 @@ static int qcom_geni_serial_startup(struct uart_port *uport)
if (ret)
return ret;
}
+
+ uart_port_lock_irq(uport);
+ qcom_geni_serial_start_rx(uport);
+ uart_port_unlock_irq(uport);
+
enable_irq(uport->irq);
return 0;
@@ -1235,7 +1269,6 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
unsigned int avg_bw_core;
unsigned long timeout;
- qcom_geni_serial_stop_rx(uport);
/* baud rate */
baud = uart_get_baud_rate(uport, termios, old, 300, 4000000);
@@ -1251,7 +1284,7 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
dev_err(port->se.dev,
"Couldn't find suitable clock rate for %u\n",
baud * sampling_rate);
- goto out_restart_rx;
+ return;
}
dev_dbg(port->se.dev, "desired_rate = %u, clk_rate = %lu, clk_div = %u\n",
@@ -1342,8 +1375,6 @@ static void qcom_geni_serial_set_termios(struct uart_port *uport,
writel(stop_bit_len, uport->membase + SE_UART_TX_STOP_BIT_LEN);
writel(ser_clk_cfg, uport->membase + GENI_SER_M_CLK_CFG);
writel(ser_clk_cfg, uport->membase + GENI_SER_S_CLK_CFG);
-out_restart_rx:
- qcom_geni_serial_start_rx(uport);
}
#ifdef CONFIG_SERIAL_QCOM_GENI_CONSOLE
@@ -1564,7 +1595,7 @@ static const struct uart_ops qcom_geni_console_pops = {
#ifdef CONFIG_CONSOLE_POLL
.poll_get_char = qcom_geni_serial_get_char,
.poll_put_char = qcom_geni_serial_poll_put_char,
- .poll_init = qcom_geni_serial_port_setup,
+ .poll_init = qcom_geni_serial_poll_init,
#endif
.pm = qcom_geni_serial_pm,
};
@@ -1763,38 +1794,6 @@ static int qcom_geni_serial_sys_resume(struct device *dev)
return ret;
}
-static int qcom_geni_serial_sys_hib_resume(struct device *dev)
-{
- int ret = 0;
- struct uart_port *uport;
- struct qcom_geni_private_data *private_data;
- struct qcom_geni_serial_port *port = dev_get_drvdata(dev);
-
- uport = &port->uport;
- private_data = uport->private_data;
-
- if (uart_console(uport)) {
- geni_icc_set_tag(&port->se, QCOM_ICC_TAG_ALWAYS);
- geni_icc_set_bw(&port->se);
- ret = uart_resume_port(private_data->drv, uport);
- /*
- * For hibernation usecase clients for
- * console UART won't call port setup during restore,
- * hence call port setup for console uart.
- */
- qcom_geni_serial_port_setup(uport);
- } else {
- /*
- * Peripheral register settings are lost during hibernation.
- * Update setup flag such that port setup happens again
- * during next session. Clients of HS-UART will close and
- * open the port during hibernation.
- */
- port->setup = false;
- }
- return ret;
-}
-
static const struct qcom_geni_device_data qcom_geni_console_data = {
.console = true,
.mode = GENI_SE_FIFO,
@@ -1806,12 +1805,8 @@ static const struct qcom_geni_device_data qcom_geni_uart_data = {
};
static const struct dev_pm_ops qcom_geni_serial_pm_ops = {
- .suspend = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
- .resume = pm_sleep_ptr(qcom_geni_serial_sys_resume),
- .freeze = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
- .poweroff = pm_sleep_ptr(qcom_geni_serial_sys_suspend),
- .restore = pm_sleep_ptr(qcom_geni_serial_sys_hib_resume),
- .thaw = pm_sleep_ptr(qcom_geni_serial_sys_hib_resume),
+ SYSTEM_SLEEP_PM_OPS(qcom_geni_serial_sys_suspend,
+ qcom_geni_serial_sys_resume)
};
static const struct of_device_id qcom_geni_serial_match_table[] = {
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index cd87e3d1291e..96842ce817af 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4726,7 +4726,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
return -EINVAL;
if (op->data) {
- font.data = kvmalloc(max_font_size, GFP_KERNEL);
+ font.data = kvzalloc(max_font_size, GFP_KERNEL);
if (!font.data)
return -ENOMEM;
} else
diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index 5891cdacd0b3..3903947dbed1 100644
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -539,7 +539,7 @@ int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag)
struct scsi_cmnd *cmd = lrbp->cmd;
struct ufs_hw_queue *hwq;
void __iomem *reg, *opr_sqd_base;
- u32 nexus, id, val;
+ u32 nexus, id, val, rtc;
int err;
if (hba->quirks & UFSHCD_QUIRK_MCQ_BROKEN_RTC)
@@ -569,17 +569,18 @@ int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag)
opr_sqd_base = mcq_opr_base(hba, OPR_SQD, id);
writel(nexus, opr_sqd_base + REG_SQCTI);
- /* SQRTCy.ICU = 1 */
- writel(SQ_ICU, opr_sqd_base + REG_SQRTC);
+ /* Initiate Cleanup */
+ writel(readl(opr_sqd_base + REG_SQRTC) | SQ_ICU,
+ opr_sqd_base + REG_SQRTC);
/* Poll SQRTSy.CUS = 1. Return result from SQRTSy.RTC */
reg = opr_sqd_base + REG_SQRTS;
err = read_poll_timeout(readl, val, val & SQ_CUS, 20,
MCQ_POLL_US, false, reg);
- if (err)
- dev_err(hba->dev, "%s: failed. hwq=%d, tag=%d err=%ld\n",
- __func__, id, task_tag,
- FIELD_GET(SQ_ICU_ERR_CODE_MASK, readl(reg)));
+ rtc = FIELD_GET(SQ_ICU_ERR_CODE_MASK, readl(reg));
+ if (err || rtc)
+ dev_err(hba->dev, "%s: failed. hwq=%d, tag=%d err=%d RTC=%d\n",
+ __func__, id, task_tag, err, rtc);
if (ufshcd_mcq_sq_start(hba, hwq))
err = -ETIMEDOUT;
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index ce0620e80448..09408642a6ef 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5403,10 +5403,12 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
}
break;
case OCS_ABORTED:
- result |= DID_ABORT << 16;
- break;
case OCS_INVALID_COMMAND_STATUS:
result |= DID_REQUEUE << 16;
+ dev_warn(hba->dev,
+ "OCS %s from controller for tag %d\n",
+ (ocs == OCS_ABORTED ? "aborted" : "invalid"),
+ lrbp->task_tag);
break;
case OCS_INVALID_CMD_TABLE_ATTR:
case OCS_INVALID_PRDT_ATTR:
@@ -6470,26 +6472,12 @@ static bool ufshcd_abort_one(struct request *rq, void *priv)
struct scsi_device *sdev = cmd->device;
struct Scsi_Host *shost = sdev->host;
struct ufs_hba *hba = shost_priv(shost);
- struct ufshcd_lrb *lrbp = &hba->lrb[tag];
- struct ufs_hw_queue *hwq;
- unsigned long flags;
*ret = ufshcd_try_to_abort_task(hba, tag);
dev_err(hba->dev, "Aborting tag %d / CDB %#02x %s\n", tag,
hba->lrb[tag].cmd ? hba->lrb[tag].cmd->cmnd[0] : -1,
*ret ? "failed" : "succeeded");
- /* Release cmd in MCQ mode if abort succeeds */
- if (hba->mcq_enabled && (*ret == 0)) {
- hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(lrbp->cmd));
- if (!hwq)
- return 0;
- spin_lock_irqsave(&hwq->cq_lock, flags);
- if (ufshcd_cmd_inflight(lrbp->cmd))
- ufshcd_release_scsi_cmd(hba, lrbp);
- spin_unlock_irqrestore(&hwq->cq_lock, flags);
- }
-
return *ret == 0;
}
@@ -10214,7 +10202,9 @@ static void ufshcd_wl_shutdown(struct device *dev)
shost_for_each_device(sdev, hba->host) {
if (sdev == hba->ufs_device_wlun)
continue;
- scsi_device_quiesce(sdev);
+ mutex_lock(&sdev->state_mutex);
+ scsi_device_set_state(sdev, SDEV_OFFLINE);
+ mutex_unlock(&sdev->state_mutex);
}
__ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM);
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 21740e2b8f07..427e5660f87c 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -2342,6 +2342,11 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
u32 reg;
int i;
+ dwc->susphy_state = (dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)) &
+ DWC3_GUSB2PHYCFG_SUSPHY) ||
+ (dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)) &
+ DWC3_GUSB3PIPECTL_SUSPHY);
+
switch (dwc->current_dr_role) {
case DWC3_GCTL_PRTCAP_DEVICE:
if (pm_runtime_suspended(dwc->dev))
@@ -2393,6 +2398,15 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
break;
}
+ if (!PMSG_IS_AUTO(msg)) {
+ /*
+ * TI AM62 platform requires SUSPHY to be
+ * enabled for system suspend to work.
+ */
+ if (!dwc->susphy_state)
+ dwc3_enable_susphy(dwc, true);
+ }
+
return 0;
}
@@ -2460,6 +2474,11 @@ static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg)
break;
}
+ if (!PMSG_IS_AUTO(msg)) {
+ /* restore SUSPHY state to that before system suspend. */
+ dwc3_enable_susphy(dwc, dwc->susphy_state);
+ }
+
return 0;
}
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 9c508e0c5cdf..eab81dfdcc35 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1150,6 +1150,8 @@ struct dwc3_scratchpad_array {
* @sys_wakeup: set if the device may do system wakeup.
* @wakeup_configured: set if the device is configured for remote wakeup.
* @suspended: set to track suspend event due to U3/L2.
+ * @susphy_state: state of DWC3_GUSB2PHYCFG_SUSPHY + DWC3_GUSB3PIPECTL_SUSPHY
+ * before PM suspend.
* @imod_interval: set the interrupt moderation interval in 250ns
* increments or 0 to disable.
* @max_cfg_eps: current max number of IN eps used across all USB configs.
@@ -1382,6 +1384,7 @@ struct dwc3 {
unsigned sys_wakeup:1;
unsigned wakeup_configured:1;
unsigned suspended:1;
+ unsigned susphy_state:1;
u16 imod_interval;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 10178e5eda5a..4959c26d3b71 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -438,6 +438,10 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
dwc3_gadget_ep_get_transfer_index(dep);
}
+ if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_ENDTRANSFER &&
+ !(cmd & DWC3_DEPCMD_CMDIOC))
+ mdelay(1);
+
if (saved_config) {
reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
reg |= saved_config;
@@ -1715,12 +1719,10 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
WARN_ON_ONCE(ret);
dep->resource_index = 0;
- if (!interrupt) {
- mdelay(1);
+ if (!interrupt)
dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
- } else if (!ret) {
+ else if (!ret)
dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
- }
dep->flags &= ~DWC3_EP_DELAY_STOP;
return ret;
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 2d6d3286ffde..080dc5127418 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -2055,7 +2055,7 @@ static ssize_t f_uac2_opts_##name##_store(struct config_item *item, \
const char *page, size_t len) \
{ \
struct f_uac2_opts *opts = to_f_uac2_opts(item); \
- int ret = 0; \
+ int ret = len; \
\
mutex_lock(&opts->lock); \
if (opts->refcnt) { \
@@ -2066,8 +2066,8 @@ static ssize_t f_uac2_opts_##name##_store(struct config_item *item, \
if (len && page[len - 1] == '\n') \
len--; \
\
- ret = scnprintf(opts->name, min(sizeof(opts->name), len + 1), \
- "%s", page); \
+ scnprintf(opts->name, min(sizeof(opts->name), len + 1), \
+ "%s", page); \
\
end: \
mutex_unlock(&opts->lock); \
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index ff7bee78bcc4..d5d89fadde43 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -254,6 +254,7 @@ struct dummy_hcd {
u32 stream_en_ep;
u8 num_stream[30 / 2];
+ unsigned timer_pending:1;
unsigned active:1;
unsigned old_active:1;
unsigned resuming:1;
@@ -1303,9 +1304,11 @@ static int dummy_urb_enqueue(
urb->error_count = 1; /* mark as a new urb */
/* kick the scheduler, it'll do the rest */
- if (!hrtimer_active(&dum_hcd->timer))
+ if (!dum_hcd->timer_pending) {
+ dum_hcd->timer_pending = 1;
hrtimer_start(&dum_hcd->timer, ns_to_ktime(DUMMY_TIMER_INT_NSECS),
HRTIMER_MODE_REL_SOFT);
+ }
done:
spin_unlock_irqrestore(&dum_hcd->dum->lock, flags);
@@ -1324,9 +1327,10 @@ static int dummy_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
spin_lock_irqsave(&dum_hcd->dum->lock, flags);
rc = usb_hcd_check_unlink_urb(hcd, urb, status);
- if (!rc && dum_hcd->rh_state != DUMMY_RH_RUNNING &&
- !list_empty(&dum_hcd->urbp_list))
+ if (rc == 0 && !dum_hcd->timer_pending) {
+ dum_hcd->timer_pending = 1;
hrtimer_start(&dum_hcd->timer, ns_to_ktime(0), HRTIMER_MODE_REL_SOFT);
+ }
spin_unlock_irqrestore(&dum_hcd->dum->lock, flags);
return rc;
@@ -1813,6 +1817,7 @@ static enum hrtimer_restart dummy_timer(struct hrtimer *t)
/* look at each urb queued by the host side driver */
spin_lock_irqsave(&dum->lock, flags);
+ dum_hcd->timer_pending = 0;
if (!dum_hcd->udev) {
dev_err(dummy_dev(dum_hcd),
@@ -1994,8 +1999,10 @@ static enum hrtimer_restart dummy_timer(struct hrtimer *t)
if (list_empty(&dum_hcd->urbp_list)) {
usb_put_dev(dum_hcd->udev);
dum_hcd->udev = NULL;
- } else if (dum_hcd->rh_state == DUMMY_RH_RUNNING) {
+ } else if (!dum_hcd->timer_pending &&
+ dum_hcd->rh_state == DUMMY_RH_RUNNING) {
/* want a 1 msec delay here */
+ dum_hcd->timer_pending = 1;
hrtimer_start(&dum_hcd->timer, ns_to_ktime(DUMMY_TIMER_INT_NSECS),
HRTIMER_MODE_REL_SOFT);
}
@@ -2390,8 +2397,10 @@ static int dummy_bus_resume(struct usb_hcd *hcd)
} else {
dum_hcd->rh_state = DUMMY_RH_RUNNING;
set_link_state(dum_hcd);
- if (!list_empty(&dum_hcd->urbp_list))
+ if (!list_empty(&dum_hcd->urbp_list)) {
+ dum_hcd->timer_pending = 1;
hrtimer_start(&dum_hcd->timer, ns_to_ktime(0), HRTIMER_MODE_REL_SOFT);
+ }
hcd->state = HC_STATE_RUNNING;
}
spin_unlock_irq(&dum_hcd->dum->lock);
@@ -2522,6 +2531,7 @@ static void dummy_stop(struct usb_hcd *hcd)
struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd);
hrtimer_cancel(&dum_hcd->timer);
+ dum_hcd->timer_pending = 0;
device_remove_file(dummy_dev(dum_hcd), &dev_attr_urbs);
dev_info(dummy_dev(dum_hcd), "stopped\n");
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 90726899bc5b..785183f0b5f9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1023,7 +1023,7 @@ static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep)
td_to_noop(xhci, ring, cached_td, false);
cached_td->cancel_status = TD_CLEARED;
}
-
+ td_to_noop(xhci, ring, td, false);
td->cancel_status = TD_CLEARING_CACHE;
cached_td = td;
break;
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index 6246d5ad1468..76f228e7443c 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -2183,7 +2183,7 @@ static int tegra_xusb_enter_elpg(struct tegra_xusb *tegra, bool runtime)
goto out;
}
- for (i = 0; i < tegra->num_usb_phys; i++) {
+ for (i = 0; i < xhci->usb2_rhub.num_ports; i++) {
if (!xhci->usb2_rhub.ports[i])
continue;
portsc = readl(xhci->usb2_rhub.ports[i]->addr);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 0ea95ad4cb90..856f16e64dcf 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1001,7 +1001,7 @@ enum xhci_setup_dev {
/* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */
#define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16))
#define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16)
-#define SCT_FOR_TRB(p) (((p) << 1) & 0x7)
+#define SCT_FOR_TRB(p) (((p) & 0x7) << 1)
/* Link TRB specific fields */
#define TRB_TC (1<<1)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 176f38750ad5..55886b64cadd 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -279,6 +279,7 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_EG912Y 0x6001
#define QUECTEL_PRODUCT_EC200S_CN 0x6002
#define QUECTEL_PRODUCT_EC200A 0x6005
+#define QUECTEL_PRODUCT_EG916Q 0x6007
#define QUECTEL_PRODUCT_EM061K_LWW 0x6008
#define QUECTEL_PRODUCT_EM061K_LCN 0x6009
#define QUECTEL_PRODUCT_EC200T 0x6026
@@ -1270,6 +1271,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
@@ -1380,10 +1382,16 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff), /* Telit FN920C04 (MBIM) */
+ .driver_info = NCTRL(4) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff), /* Telit FN920C04 (MBIM) */
+ .driver_info = NCTRL(4) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */
+ .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
index a747baa29784..c37dede62e12 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c
@@ -432,7 +432,6 @@ static int qcom_pmic_typec_port_get_cc(struct tcpc_dev *tcpc,
val = TYPEC_CC_RP_DEF;
break;
}
- val = TYPEC_CC_RP_DEF;
}
if (misc & CC_ORIENTATION)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f0cf8ce26f01..a5098973bcef 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1374,7 +1374,7 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
struct inode *inode = NULL;
unsigned long ref_ptr;
unsigned long ref_end;
- struct fscrypt_str name;
+ struct fscrypt_str name = { 0 };
int ret;
int log_ref_ver = 0;
u64 parent_objectid;
@@ -1845,7 +1845,7 @@ static noinline int replay_one_name(struct btrfs_trans_handle *trans,
struct btrfs_dir_item *di,
struct btrfs_key *key)
{
- struct fscrypt_str name;
+ struct fscrypt_str name = { 0 };
struct btrfs_dir_item *dir_dst_di;
struct btrfs_dir_item *index_dst_di;
bool dir_dst_matches = false;
@@ -2125,7 +2125,7 @@ static noinline int check_item_in_log(struct btrfs_trans_handle *trans,
struct extent_buffer *eb;
int slot;
struct btrfs_dir_item *di;
- struct fscrypt_str name;
+ struct fscrypt_str name = { 0 };
struct inode *inode = NULL;
struct btrfs_key location;
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 6423e1dedf14..15bf32c21ac0 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -1037,7 +1037,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
if (corrupt < 0) {
fat_fs_error(new_dir->i_sb,
"%s: Filesystem corrupted (i_pos %lld)",
- __func__, sinfo.i_pos);
+ __func__, new_i_pos);
}
goto out;
}
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 4a29b0138d75..87f59b748b0b 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -323,7 +323,7 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx)
* The folio is mapped and unlocked. When the caller is finished with
* the entry, it should call folio_release_kmap().
*
- * On failure, returns NULL and the caller should ignore foliop.
+ * On failure, returns an error pointer and the caller should ignore foliop.
*/
struct nilfs_dir_entry *nilfs_find_entry(struct inode *dir,
const struct qstr *qstr, struct folio **foliop)
@@ -346,22 +346,24 @@ struct nilfs_dir_entry *nilfs_find_entry(struct inode *dir,
do {
char *kaddr = nilfs_get_folio(dir, n, foliop);
- if (!IS_ERR(kaddr)) {
- de = (struct nilfs_dir_entry *)kaddr;
- kaddr += nilfs_last_byte(dir, n) - reclen;
- while ((char *) de <= kaddr) {
- if (de->rec_len == 0) {
- nilfs_error(dir->i_sb,
- "zero-length directory entry");
- folio_release_kmap(*foliop, kaddr);
- goto out;
- }
- if (nilfs_match(namelen, name, de))
- goto found;
- de = nilfs_next_entry(de);
+ if (IS_ERR(kaddr))
+ return ERR_CAST(kaddr);
+
+ de = (struct nilfs_dir_entry *)kaddr;
+ kaddr += nilfs_last_byte(dir, n) - reclen;
+ while ((char *)de <= kaddr) {
+ if (de->rec_len == 0) {
+ nilfs_error(dir->i_sb,
+ "zero-length directory entry");
+ folio_release_kmap(*foliop, kaddr);
+ goto out;
}
- folio_release_kmap(*foliop, kaddr);
+ if (nilfs_match(namelen, name, de))
+ goto found;
+ de = nilfs_next_entry(de);
}
+ folio_release_kmap(*foliop, kaddr);
+
if (++n >= npages)
n = 0;
/* next folio is past the blocks we've got */
@@ -374,7 +376,7 @@ struct nilfs_dir_entry *nilfs_find_entry(struct inode *dir,
}
} while (n != start);
out:
- return NULL;
+ return ERR_PTR(-ENOENT);
found:
ei->i_dir_start_lookup = n;
@@ -418,18 +420,18 @@ struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct folio **foliop)
return NULL;
}
-ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr)
+int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino)
{
- ino_t res = 0;
struct nilfs_dir_entry *de;
struct folio *folio;
de = nilfs_find_entry(dir, qstr, &folio);
- if (de) {
- res = le64_to_cpu(de->inode);
- folio_release_kmap(folio, de);
- }
- return res;
+ if (IS_ERR(de))
+ return PTR_ERR(de);
+
+ *ino = le64_to_cpu(de->inode);
+ folio_release_kmap(folio, de);
+ return 0;
}
void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de,
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index c950139db6ef..4905063790c5 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
struct inode *inode;
ino_t ino;
+ int res;
if (dentry->d_name.len > NILFS_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
- ino = nilfs_inode_by_name(dir, &dentry->d_name);
- inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL;
+ res = nilfs_inode_by_name(dir, &dentry->d_name, &ino);
+ if (res) {
+ if (res != -ENOENT)
+ return ERR_PTR(res);
+ inode = NULL;
+ } else {
+ inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
+ }
+
return d_splice_alias(inode, dentry);
}
@@ -263,10 +271,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry)
struct folio *folio;
int err;
- err = -ENOENT;
de = nilfs_find_entry(dir, &dentry->d_name, &folio);
- if (!de)
+ if (IS_ERR(de)) {
+ err = PTR_ERR(de);
goto out;
+ }
inode = d_inode(dentry);
err = -EIO;
@@ -362,10 +371,11 @@ static int nilfs_rename(struct mnt_idmap *idmap,
if (unlikely(err))
return err;
- err = -ENOENT;
old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_folio);
- if (!old_de)
+ if (IS_ERR(old_de)) {
+ err = PTR_ERR(old_de);
goto out;
+ }
if (S_ISDIR(old_inode->i_mode)) {
err = -EIO;
@@ -382,10 +392,12 @@ static int nilfs_rename(struct mnt_idmap *idmap,
if (dir_de && !nilfs_empty_dir(new_inode))
goto out_dir;
- err = -ENOENT;
- new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_folio);
- if (!new_de)
+ new_de = nilfs_find_entry(new_dir, &new_dentry->d_name,
+ &new_folio);
+ if (IS_ERR(new_de)) {
+ err = PTR_ERR(new_de);
goto out_dir;
+ }
nilfs_set_link(new_dir, new_de, new_folio, old_inode);
folio_release_kmap(new_folio, new_de);
nilfs_mark_inode_dirty(new_dir);
@@ -440,12 +452,13 @@ static int nilfs_rename(struct mnt_idmap *idmap,
*/
static struct dentry *nilfs_get_parent(struct dentry *child)
{
- unsigned long ino;
+ ino_t ino;
+ int res;
struct nilfs_root *root;
- ino = nilfs_inode_by_name(d_inode(child), &dotdot_name);
- if (!ino)
- return ERR_PTR(-ENOENT);
+ res = nilfs_inode_by_name(d_inode(child), &dotdot_name, &ino);
+ if (res)
+ return ERR_PTR(res);
root = NILFS_I(d_inode(child))->i_root;
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 4017f7856440..0a80dc39a3aa 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -233,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags)
/* dir.c */
int nilfs_add_link(struct dentry *, struct inode *);
-ino_t nilfs_inode_by_name(struct inode *, const struct qstr *);
+int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino);
int nilfs_make_empty(struct inode *, struct inode *);
struct nilfs_dir_entry *nilfs_find_entry(struct inode *, const struct qstr *,
struct folio **);
diff --git a/fs/smb/server/mgmt/user_session.c b/fs/smb/server/mgmt/user_session.c
index 99416ce9f501..1e4624e9d434 100644
--- a/fs/smb/server/mgmt/user_session.c
+++ b/fs/smb/server/mgmt/user_session.c
@@ -177,9 +177,10 @@ static void ksmbd_expire_session(struct ksmbd_conn *conn)
down_write(&conn->session_lock);
xa_for_each(&conn->sessions, id, sess) {
- if (sess->state != SMB2_SESSION_VALID ||
- time_after(jiffies,
- sess->last_active + SMB2_SESSION_TIMEOUT)) {
+ if (atomic_read(&sess->refcnt) == 0 &&
+ (sess->state != SMB2_SESSION_VALID ||
+ time_after(jiffies,
+ sess->last_active + SMB2_SESSION_TIMEOUT))) {
xa_erase(&conn->sessions, sess->id);
hash_del(&sess->hlist);
ksmbd_session_destroy(sess);
@@ -269,8 +270,6 @@ struct ksmbd_session *ksmbd_session_lookup_slowpath(unsigned long long id)
down_read(&sessions_table_lock);
sess = __session_lookup(id);
- if (sess)
- sess->last_active = jiffies;
up_read(&sessions_table_lock);
return sess;
@@ -289,6 +288,22 @@ struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
return sess;
}
+void ksmbd_user_session_get(struct ksmbd_session *sess)
+{
+ atomic_inc(&sess->refcnt);
+}
+
+void ksmbd_user_session_put(struct ksmbd_session *sess)
+{
+ if (!sess)
+ return;
+
+ if (atomic_read(&sess->refcnt) <= 0)
+ WARN_ON(1);
+ else
+ atomic_dec(&sess->refcnt);
+}
+
struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn,
u64 sess_id)
{
@@ -393,6 +408,7 @@ static struct ksmbd_session *__session_create(int protocol)
xa_init(&sess->rpc_handle_list);
sess->sequence_number = 1;
rwlock_init(&sess->tree_conns_lock);
+ atomic_set(&sess->refcnt, 1);
ret = __init_smb2_session(sess);
if (ret)
diff --git a/fs/smb/server/mgmt/user_session.h b/fs/smb/server/mgmt/user_session.h
index dc9fded2cd43..c1c4b20bd5c6 100644
--- a/fs/smb/server/mgmt/user_session.h
+++ b/fs/smb/server/mgmt/user_session.h
@@ -61,6 +61,8 @@ struct ksmbd_session {
struct ksmbd_file_table file_table;
unsigned long last_active;
rwlock_t tree_conns_lock;
+
+ atomic_t refcnt;
};
static inline int test_session_flag(struct ksmbd_session *sess, int bit)
@@ -104,4 +106,6 @@ void ksmbd_release_tree_conn_id(struct ksmbd_session *sess, int id);
int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name);
void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id);
int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id);
+void ksmbd_user_session_get(struct ksmbd_session *sess);
+void ksmbd_user_session_put(struct ksmbd_session *sess);
#endif /* __USER_SESSION_MANAGEMENT_H__ */
diff --git a/fs/smb/server/server.c b/fs/smb/server/server.c
index 4d24cc105ef6..bb3e7b09201a 100644
--- a/fs/smb/server/server.c
+++ b/fs/smb/server/server.c
@@ -238,6 +238,8 @@ static void __handle_ksmbd_work(struct ksmbd_work *work,
} while (is_chained == true);
send:
+ if (work->sess)
+ ksmbd_user_session_put(work->sess);
if (work->tcon)
ksmbd_tree_connect_put(work->tcon);
smb3_preauth_hash_rsp(work);
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 065adfb985fe..72e0880617eb 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -605,8 +605,10 @@ int smb2_check_user_session(struct ksmbd_work *work)
/* Check for validity of user session */
work->sess = ksmbd_session_lookup_all(conn, sess_id);
- if (work->sess)
+ if (work->sess) {
+ ksmbd_user_session_get(work->sess);
return 1;
+ }
ksmbd_debug(SMB, "Invalid user session, Uid %llu\n", sess_id);
return -ENOENT;
}
@@ -1746,6 +1748,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
}
conn->binding = true;
+ ksmbd_user_session_get(sess);
} else if ((conn->dialect < SMB30_PROT_ID ||
server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL) &&
(req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {
@@ -1772,6 +1775,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
}
conn->binding = false;
+ ksmbd_user_session_get(sess);
}
work->sess = sess;
@@ -2232,7 +2236,9 @@ int smb2_session_logoff(struct ksmbd_work *work)
}
ksmbd_destroy_file_table(&sess->file_table);
+ down_write(&conn->session_lock);
sess->state = SMB2_SESSION_EXPIRED;
+ up_write(&conn->session_lock);
ksmbd_free_user(sess->user);
sess->user = NULL;
diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h
index df25fffdc0ae..623ccfcbf39c 100644
--- a/include/linux/fsl/enetc_mdio.h
+++ b/include/linux/fsl/enetc_mdio.h
@@ -59,7 +59,8 @@ static inline int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id,
static inline int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id,
int devad, int regnum, u16 value)
{ return -EINVAL; }
-struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
+static inline struct enetc_hw *enetc_hw_alloc(struct device *dev,
+ void __iomem *port_regs)
{ return ERR_PTR(-EINVAL); }
#endif
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index ecabed6d3307..7f1f11a5e4e4 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -66,10 +66,12 @@ struct its_vpe {
bool enabled;
bool group;
} sgi_config[16];
- atomic_t vmapp_count;
};
};
+ /* Track the VPE being mapped */
+ atomic_t vmapp_count;
+
/*
* Ensures mutual exclusion between affinity setting of the
* vPE and vLPI operations using vpe->col_idx.
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
index b5f5369b6300..9d5c00b0285c 100644
--- a/include/trace/events/huge_memory.h
+++ b/include/trace/events/huge_memory.h
@@ -208,7 +208,7 @@ TRACE_EVENT(mm_khugepaged_scan_file,
TRACE_EVENT(mm_khugepaged_collapse_file,
TP_PROTO(struct mm_struct *mm, struct folio *new_folio, pgoff_t index,
- bool is_shmem, unsigned long addr, struct file *file,
+ unsigned long addr, bool is_shmem, struct file *file,
int nr, int result),
TP_ARGS(mm, new_folio, index, addr, is_shmem, file, nr, result),
TP_STRUCT__entry(
@@ -233,7 +233,7 @@ TRACE_EVENT(mm_khugepaged_collapse_file,
__entry->result = result;
),
- TP_printk("mm=%p, hpage_pfn=0x%lx, index=%ld, addr=%ld, is_shmem=%d, filename=%s, nr=%d, result=%s",
+ TP_printk("mm=%p, hpage_pfn=0x%lx, index=%ld, addr=%lx, is_shmem=%d, filename=%s, nr=%d, result=%s",
__entry->mm,
__entry->hpfn,
__entry->index,
diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h
index c8dc5f8ea699..12873639ea96 100644
--- a/include/uapi/linux/ublk_cmd.h
+++ b/include/uapi/linux/ublk_cmd.h
@@ -175,7 +175,13 @@
/* use ioctl encoding for uring command */
#define UBLK_F_CMD_IOCTL_ENCODE (1UL << 6)
-/* Copy between request and user buffer by pread()/pwrite() */
+/*
+ * Copy between request and user buffer by pread()/pwrite()
+ *
+ * Not available for UBLK_F_UNPRIVILEGED_DEV, otherwise userspace may
+ * deceive us by not filling request buffer, then kernel uninitialized
+ * data may be leaked.
+ */
#define UBLK_F_USER_COPY (1UL << 7)
/*
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index c2acf6180845..a8ee7287ac9f 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -279,7 +279,14 @@ static inline bool io_sqring_full(struct io_ring_ctx *ctx)
{
struct io_rings *r = ctx->rings;
- return READ_ONCE(r->sq.tail) - ctx->cached_sq_head == ctx->sq_entries;
+ /*
+ * SQPOLL must use the actual sqring head, as using the cached_sq_head
+ * is race prone if the SQPOLL thread has grabbed entries but not yet
+ * committed them to the ring. For !SQPOLL, this doesn't matter, but
+ * since this helper is just used for SQPOLL sqring waits (or POLLOUT),
+ * just read the actual sqring head unconditionally.
+ */
+ return READ_ONCE(r->sq.tail) - READ_ONCE(r->sq.head) == ctx->sq_entries;
}
static inline unsigned int io_sqring_entries(struct io_ring_ctx *ctx)
@@ -315,6 +322,7 @@ static inline int io_run_task_work(void)
if (current->io_uring) {
unsigned int count = 0;
+ __set_current_state(TASK_RUNNING);
tctx_task_work_run(current->io_uring, UINT_MAX, &count);
if (count)
ret = true;
diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c
index 4782edcbe7b9..6b5d5c0021fa 100644
--- a/kernel/time/posix-clock.c
+++ b/kernel/time/posix-clock.c
@@ -319,6 +319,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts)
goto out;
}
+ if (!timespec64_valid_strict(ts))
+ return -EINVAL;
+
if (cd.clk->ops.clock_settime)
err = cd.clk->ops.clock_settime(cd.clk, ts);
else
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index d7d4fb403f6f..43f4e3f57438 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -1160,19 +1160,13 @@ void fgraph_update_pid_func(void)
static int start_graph_tracing(void)
{
unsigned long **ret_stack_list;
- int ret, cpu;
+ int ret;
ret_stack_list = kmalloc(SHADOW_STACK_SIZE, GFP_KERNEL);
if (!ret_stack_list)
return -ENOMEM;
- /* The cpu_boot init_task->ret_stack will never be freed */
- for_each_online_cpu(cpu) {
- if (!idle_task(cpu)->ret_stack)
- ftrace_graph_init_idle_task(idle_task(cpu), cpu);
- }
-
do {
ret = alloc_retstack_tasklist(ret_stack_list);
} while (ret == -EAGAIN);
@@ -1242,14 +1236,34 @@ static void ftrace_graph_disable_direct(bool disable_branch)
fgraph_direct_gops = &fgraph_stub;
}
+/* The cpu_boot init_task->ret_stack will never be freed */
+static int fgraph_cpu_init(unsigned int cpu)
+{
+ if (!idle_task(cpu)->ret_stack)
+ ftrace_graph_init_idle_task(idle_task(cpu), cpu);
+ return 0;
+}
+
int register_ftrace_graph(struct fgraph_ops *gops)
{
+ static bool fgraph_initialized;
int command = 0;
int ret = 0;
int i = -1;
mutex_lock(&ftrace_lock);
+ if (!fgraph_initialized) {
+ ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "fgraph_idle_init",
+ fgraph_cpu_init, NULL);
+ if (ret < 0) {
+ pr_warn("fgraph: Error to init cpu hotplug support\n");
+ return ret;
+ }
+ fgraph_initialized = true;
+ ret = 0;
+ }
+
if (!fgraph_array[0]) {
/* The array must always have real data on it */
for (i = 0; i < FGRAPH_ARRAY_SIZE; i++)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 6df3a8b95808..20f6f7ae9372 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -2196,6 +2196,8 @@ static inline void mas_node_or_none(struct ma_state *mas,
/*
* mas_wr_node_walk() - Find the correct offset for the index in the @mas.
+ * If @mas->index cannot be found within the containing
+ * node, we traverse to the last entry in the node.
* @wr_mas: The maple write state
*
* Uses mas_slot_locked() and does not need to worry about dead nodes.
@@ -3609,7 +3611,7 @@ static bool mas_wr_walk(struct ma_wr_state *wr_mas)
return true;
}
-static bool mas_wr_walk_index(struct ma_wr_state *wr_mas)
+static void mas_wr_walk_index(struct ma_wr_state *wr_mas)
{
struct ma_state *mas = wr_mas->mas;
@@ -3618,11 +3620,9 @@ static bool mas_wr_walk_index(struct ma_wr_state *wr_mas)
wr_mas->content = mas_slot_locked(mas, wr_mas->slots,
mas->offset);
if (ma_is_leaf(wr_mas->type))
- return true;
+ return;
mas_wr_walk_traverse(wr_mas);
-
}
- return true;
}
/*
* mas_extend_spanning_null() - Extend a store of a %NULL to include surrounding %NULLs.
@@ -3853,8 +3853,8 @@ static inline int mas_wr_spanning_store(struct ma_wr_state *wr_mas)
memset(&b_node, 0, sizeof(struct maple_big_node));
/* Copy l_mas and store the value in b_node. */
mas_store_b_node(&l_wr_mas, &b_node, l_mas.end);
- /* Copy r_mas into b_node. */
- if (r_mas.offset <= r_mas.end)
+ /* Copy r_mas into b_node if there is anything to copy. */
+ if (r_mas.max > r_mas.last)
mas_mab_cp(&r_mas, r_mas.offset, r_mas.end,
&b_node, b_node.b_end + 1);
else
diff --git a/mm/damon/sysfs-test.h b/mm/damon/sysfs-test.h
index 1c9b596057a7..7b5c7b307da9 100644
--- a/mm/damon/sysfs-test.h
+++ b/mm/damon/sysfs-test.h
@@ -67,6 +67,7 @@ static void damon_sysfs_test_add_targets(struct kunit *test)
damon_destroy_ctx(ctx);
kfree(sysfs_targets->targets_arr);
kfree(sysfs_targets);
+ kfree(sysfs_target->regions);
kfree(sysfs_target);
}
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index cdd1d8655a76..4cba91ecf74b 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -2219,7 +2219,7 @@ static int collapse_file(struct mm_struct *mm, unsigned long addr,
folio_put(new_folio);
out:
VM_BUG_ON(!list_empty(&pagelist));
- trace_mm_khugepaged_collapse_file(mm, new_folio, index, is_shmem, addr, file, HPAGE_PMD_NR, result);
+ trace_mm_khugepaged_collapse_file(mm, new_folio, index, addr, is_shmem, file, HPAGE_PMD_NR, result);
return result;
}
diff --git a/mm/mremap.c b/mm/mremap.c
index e7ae140fc640..3ca167d84c56 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -238,6 +238,7 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr,
{
spinlock_t *old_ptl, *new_ptl;
struct mm_struct *mm = vma->vm_mm;
+ bool res = false;
pmd_t pmd;
if (!arch_supports_page_table_move())
@@ -277,19 +278,25 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr,
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
- /* Clear the pmd */
pmd = *old_pmd;
+
+ /* Racing with collapse? */
+ if (unlikely(!pmd_present(pmd) || pmd_leaf(pmd)))
+ goto out_unlock;
+ /* Clear the pmd */
pmd_clear(old_pmd);
+ res = true;
VM_BUG_ON(!pmd_none(*new_pmd));
pmd_populate(mm, new_pmd, pmd_pgtable(pmd));
flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE);
+out_unlock:
if (new_ptl != old_ptl)
spin_unlock(new_ptl);
spin_unlock(old_ptl);
- return true;
+ return res;
}
#else
static inline bool move_normal_pmd(struct vm_area_struct *vma,
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 38bdc439651a..478ba2f7c2ee 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2106,7 +2106,7 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type)
mmap_read_lock(mm);
for_each_vma(vmi, vma) {
- if (vma->anon_vma) {
+ if (vma->anon_vma && !is_vm_hugetlb_page(vma)) {
ret = unuse_vma(vma, type);
if (ret)
break;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index bd489c1af228..128f307da6ee 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4300,7 +4300,7 @@ static bool sort_folio(struct lruvec *lruvec, struct folio *folio, struct scan_c
}
/* ineligible */
- if (zone > sc->reclaim_idx) {
+ if (!folio_test_lru(folio) || zone > sc->reclaim_idx) {
gen = folio_inc_gen(lruvec, folio, false);
list_move_tail(&folio->lru, &lrugen->folios[gen][type][zone]);
return true;
@@ -4940,8 +4940,8 @@ static void lru_gen_shrink_node(struct pglist_data *pgdat, struct scan_control *
blk_finish_plug(&plug);
done:
- /* kswapd should never fail */
- pgdat->kswapd_failures = 0;
+ if (sc->nr_reclaimed > reclaimed)
+ pgdat->kswapd_failures = 0;
}
/******************************************************************************
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 67604ccec2f4..e39fba5565c5 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -825,11 +825,14 @@ static int __init bt_init(void)
bt_sysfs_cleanup();
cleanup_led:
bt_leds_cleanup();
+ debugfs_remove_recursive(bt_debugfs);
return err;
}
static void __exit bt_exit(void)
{
+ iso_exit();
+
mgmt_exit();
sco_exit();
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index d5e00d0dd1a0..c9eefb43bf47 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -2301,13 +2301,9 @@ int iso_init(void)
hci_register_cb(&iso_cb);
- if (IS_ERR_OR_NULL(bt_debugfs))
- return 0;
-
- if (!iso_debugfs) {
+ if (!IS_ERR_OR_NULL(bt_debugfs))
iso_debugfs = debugfs_create_file("iso", 0444, bt_debugfs,
NULL, &iso_debugfs_fops);
- }
iso_inited = true;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 16c48df8df4c..8f67eea34779 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2342,9 +2342,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len)
if (len <= skb->len)
break;
- if (unlikely(TCP_SKB_CB(skb)->eor) ||
- tcp_has_tx_tstamp(skb) ||
- !skb_pure_zcopy_same(skb, next))
+ if (tcp_has_tx_tstamp(skb) || !tcp_skb_can_collapse(skb, next))
return false;
len -= skb->len;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 49c622e743e8..2a82ed7f7d9d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -950,8 +950,10 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen,
cork->gso_size);
+
+ /* Don't checksum the payload, skb will get segmented */
+ goto csum_partial;
}
- goto csum_partial;
}
if (is_udplite) /* UDP-Lite */
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6602a2e9cdb5..a10181ac8e98 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1266,8 +1266,10 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6,
skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4;
skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen,
cork->gso_size);
+
+ /* Don't checksum the payload, skb will get segmented */
+ goto csum_partial;
}
- goto csum_partial;
}
if (is_udplite)
diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c
index 79f2278434b9..3dc49c3169f2 100644
--- a/net/mptcp/mib.c
+++ b/net/mptcp/mib.c
@@ -15,6 +15,7 @@ static const struct snmp_mib mptcp_snmp_list[] = {
SNMP_MIB_ITEM("MPCapableACKRX", MPTCP_MIB_MPCAPABLEPASSIVEACK),
SNMP_MIB_ITEM("MPCapableFallbackACK", MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK),
SNMP_MIB_ITEM("MPCapableFallbackSYNACK", MPTCP_MIB_MPCAPABLEACTIVEFALLBACK),
+ SNMP_MIB_ITEM("MPCapableEndpAttempt", MPTCP_MIB_MPCAPABLEENDPATTEMPT),
SNMP_MIB_ITEM("MPFallbackTokenInit", MPTCP_MIB_TOKENFALLBACKINIT),
SNMP_MIB_ITEM("MPTCPRetrans", MPTCP_MIB_RETRANSSEGS),
SNMP_MIB_ITEM("MPJoinNoTokenFound", MPTCP_MIB_JOINNOTOKEN),
diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h
index 3f4ca290be69..ac574a790465 100644
--- a/net/mptcp/mib.h
+++ b/net/mptcp/mib.h
@@ -10,6 +10,7 @@ enum linux_mptcp_mib_field {
MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */
MPTCP_MIB_MPCAPABLEPASSIVEFALLBACK,/* Server-side fallback during 3-way handshake */
MPTCP_MIB_MPCAPABLEACTIVEFALLBACK, /* Client-side fallback during 3-way handshake */
+ MPTCP_MIB_MPCAPABLEENDPATTEMPT, /* Prohibited MPC to port-based endp */
MPTCP_MIB_TOKENFALLBACKINIT, /* Could not init/allocate token */
MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */
MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 6c586b2b377b..ba99484c501e 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -869,12 +869,12 @@ static void mptcp_pm_nl_rm_addr_or_subflow(struct mptcp_sock *msk,
i, rm_id, id, remote_id, msk->mpc_endpoint_id);
spin_unlock_bh(&msk->pm.lock);
mptcp_subflow_shutdown(sk, ssk, how);
+ removed |= subflow->request_join;
/* the following takes care of updating the subflows counter */
mptcp_close_ssk(sk, ssk, subflow);
spin_lock_bh(&msk->pm.lock);
- removed |= subflow->request_join;
if (rm_type == MPTCP_MIB_RMSUBFLOW)
__MPTCP_INC_STATS(sock_net(sk), rm_type);
}
@@ -1117,6 +1117,7 @@ static int mptcp_pm_nl_create_listen_socket(struct sock *sk,
*/
inet_sk_state_store(newsk, TCP_LISTEN);
lock_sock(ssk);
+ WRITE_ONCE(mptcp_subflow_ctx(ssk)->pm_listener, true);
err = __inet_listen_sk(ssk, backlog);
if (!err)
mptcp_event_pm_listener(ssk, MPTCP_EVENT_LISTENER_CREATED);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 3b22313d1b86..049af90589ae 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -528,6 +528,7 @@ struct mptcp_subflow_context {
__unused : 9;
bool data_avail;
bool scheduled;
+ bool pm_listener; /* a listener managed by the kernel PM? */
u32 remote_nonce;
u64 thmac;
u32 local_nonce;
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 7d14da95a283..d4d1fddea44f 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -132,6 +132,13 @@ static void subflow_add_reset_reason(struct sk_buff *skb, u8 reason)
}
}
+static int subflow_reset_req_endp(struct request_sock *req, struct sk_buff *skb)
+{
+ SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEENDPATTEMPT);
+ subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT);
+ return -EPERM;
+}
+
/* Init mptcp request socket.
*
* Returns an error code if a JOIN has failed and a TCP reset
@@ -165,6 +172,8 @@ static int subflow_check_req(struct request_sock *req,
if (opt_mp_capable) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVE);
+ if (unlikely(listener->pm_listener))
+ return subflow_reset_req_endp(req, skb);
if (opt_mp_join)
return 0;
} else if (opt_mp_join) {
@@ -172,6 +181,8 @@ static int subflow_check_req(struct request_sock *req,
if (mp_opt.backup)
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNBACKUPRX);
+ } else if (unlikely(listener->pm_listener)) {
+ return subflow_reset_req_endp(req, skb);
}
if (opt_mp_capable && listener->request_mptcp) {
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 4a2c8274c3df..843cc1ed75c3 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -303,6 +303,7 @@ enum {
CXT_FIXUP_HP_SPECTRE,
CXT_FIXUP_HP_GATE_MIC,
CXT_FIXUP_MUTE_LED_GPIO,
+ CXT_FIXUP_HP_ELITEONE_OUT_DIS,
CXT_FIXUP_HP_ZBOOK_MUTE_LED,
CXT_FIXUP_HEADSET_MIC,
CXT_FIXUP_HP_MIC_NO_PRESENCE,
@@ -320,6 +321,19 @@ static void cxt_fixup_stereo_dmic(struct hda_codec *codec,
spec->gen.inv_dmic_split = 1;
}
+/* fix widget control pin settings */
+static void cxt_fixup_update_pinctl(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ if (action == HDA_FIXUP_ACT_PROBE) {
+ /* Unset OUT_EN for this Node pin, leaving only HP_EN.
+ * This is the value stored in the codec register after
+ * the correct initialization of the previous windows boot.
+ */
+ snd_hda_set_pin_ctl_cache(codec, 0x1d, AC_PINCTL_HP_EN);
+ }
+}
+
static void cxt5066_increase_mic_boost(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@@ -971,6 +985,10 @@ static const struct hda_fixup cxt_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = cxt_fixup_mute_led_gpio,
},
+ [CXT_FIXUP_HP_ELITEONE_OUT_DIS] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cxt_fixup_update_pinctl,
+ },
[CXT_FIXUP_HP_ZBOOK_MUTE_LED] = {
.type = HDA_FIXUP_FUNC,
.v.func = cxt_fixup_hp_zbook_mute_led,
@@ -1061,6 +1079,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK),
SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK),
SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK),
+ SND_PCI_QUIRK(0x103c, 0x83e5, "HP EliteOne 1000 G2", CXT_FIXUP_HP_ELITEONE_OUT_DIS),
SND_PCI_QUIRK(0x103c, 0x8402, "HP ProBook 645 G4", CXT_FIXUP_MUTE_LED_GPIO),
SND_PCI_QUIRK(0x103c, 0x8427, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x844f, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED),
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c
index 1150cf104985..4cddf84db631 100644
--- a/sound/usb/mixer_scarlett2.c
+++ b/sound/usb/mixer_scarlett2.c
@@ -5613,6 +5613,8 @@ static int scarlett2_update_filter_values(struct usb_mixer_interface *mixer)
info->peq_flt_total_count *
SCARLETT2_BIQUAD_COEFFS,
peq_flt_values);
+ if (err < 0)
+ return err;
for (i = 0, dst_idx = 0; i < info->dsp_input_count; i++) {
src_idx = i *
diff --git a/tools/testing/selftests/hid/Makefile b/tools/testing/selftests/hid/Makefile
index 346328e2295c..748e0c79a27d 100644
--- a/tools/testing/selftests/hid/Makefile
+++ b/tools/testing/selftests/hid/Makefile
@@ -18,6 +18,7 @@ TEST_PROGS += hid-usb_crash.sh
TEST_PROGS += hid-wacom.sh
TEST_FILES := run-hid-tools-tests.sh
+TEST_FILES += tests
CXX ?= $(CROSS_COMPILE)g++
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c
index 717539eddf98..852e7281026e 100644
--- a/tools/testing/selftests/mm/uffd-common.c
+++ b/tools/testing/selftests/mm/uffd-common.c
@@ -18,7 +18,7 @@ bool test_uffdio_wp = true;
unsigned long long *count_verify;
uffd_test_ops_t *uffd_test_ops;
uffd_test_case_ops_t *uffd_test_case_ops;
-atomic_bool ready_for_fork;
+pthread_barrier_t ready_for_fork;
static int uffd_mem_fd_create(off_t mem_size, bool hugetlb)
{
@@ -519,7 +519,8 @@ void *uffd_poll_thread(void *arg)
pollfd[1].fd = pipefd[cpu*2];
pollfd[1].events = POLLIN;
- ready_for_fork = true;
+ /* Ready for parent thread to fork */
+ pthread_barrier_wait(&ready_for_fork);
for (;;) {
ret = poll(pollfd, 2, -1);
diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h
index a70ae10b5f62..3e6228d8e0dc 100644
--- a/tools/testing/selftests/mm/uffd-common.h
+++ b/tools/testing/selftests/mm/uffd-common.h
@@ -33,7 +33,6 @@
#include <inttypes.h>
#include <stdint.h>
#include <sys/random.h>
-#include <stdatomic.h>
#include "../kselftest.h"
#include "vm_util.h"
@@ -105,7 +104,7 @@ extern bool map_shared;
extern bool test_uffdio_wp;
extern unsigned long long *count_verify;
extern volatile bool test_uffdio_copy_eexist;
-extern atomic_bool ready_for_fork;
+extern pthread_barrier_t ready_for_fork;
extern uffd_test_ops_t anon_uffd_test_ops;
extern uffd_test_ops_t shmem_uffd_test_ops;
diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c
index b3d21eed203d..c8a3b1c7edff 100644
--- a/tools/testing/selftests/mm/uffd-unit-tests.c
+++ b/tools/testing/selftests/mm/uffd-unit-tests.c
@@ -241,6 +241,9 @@ static void *fork_event_consumer(void *data)
fork_event_args *args = data;
struct uffd_msg msg = { 0 };
+ /* Ready for parent thread to fork */
+ pthread_barrier_wait(&ready_for_fork);
+
/* Read until a full msg received */
while (uffd_read_msg(args->parent_uffd, &msg));
@@ -308,8 +311,12 @@ static int pagemap_test_fork(int uffd, bool with_event, bool test_pin)
/* Prepare a thread to resolve EVENT_FORK */
if (with_event) {
+ pthread_barrier_init(&ready_for_fork, NULL, 2);
if (pthread_create(&thread, NULL, fork_event_consumer, &args))
err("pthread_create()");
+ /* Wait for child thread to start before forking */
+ pthread_barrier_wait(&ready_for_fork);
+ pthread_barrier_destroy(&ready_for_fork);
}
child = fork();
@@ -774,7 +781,7 @@ static void uffd_sigbus_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
- ready_for_fork = false;
+ pthread_barrier_init(&ready_for_fork, NULL, 2);
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
@@ -791,8 +798,9 @@ static void uffd_sigbus_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
- while (!ready_for_fork)
- ; /* Wait for the poll_thread to start executing before forking */
+ /* Wait for child thread to start before forking */
+ pthread_barrier_wait(&ready_for_fork);
+ pthread_barrier_destroy(&ready_for_fork);
pid = fork();
if (pid < 0)
@@ -833,7 +841,7 @@ static void uffd_events_test_common(bool wp)
char c;
struct uffd_args args = { 0 };
- ready_for_fork = false;
+ pthread_barrier_init(&ready_for_fork, NULL, 2);
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
if (uffd_register(uffd, area_dst, nr_pages * page_size,
@@ -844,8 +852,9 @@ static void uffd_events_test_common(bool wp)
if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args))
err("uffd_poll_thread create");
- while (!ready_for_fork)
- ; /* Wait for the poll_thread to start executing before forking */
+ /* Wait for child thread to start before forking */
+ pthread_barrier_wait(&ready_for_fork);
+ pthread_barrier_destroy(&ready_for_fork);
pid = fork();
if (pid < 0)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index cde041c93906..05859bb387ff 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -23,6 +23,7 @@ tmpfile=""
cout=""
err=""
capout=""
+cappid=""
ns1=""
ns2=""
iptables="iptables"
@@ -861,40 +862,62 @@ check_cestab()
fi
}
-do_transfer()
+cond_start_capture()
{
- local listener_ns="$1"
- local connector_ns="$2"
- local cl_proto="$3"
- local srv_proto="$4"
- local connect_addr="$5"
-
- local port=$((10000 + MPTCP_LIB_TEST_COUNTER - 1))
- local cappid
- local FAILING_LINKS=${FAILING_LINKS:-""}
- local fastclose=${fastclose:-""}
- local speed=${speed:-"fast"}
+ local ns="$1"
- :> "$cout"
- :> "$sout"
:> "$capout"
if $capture; then
- local capuser
- if [ -z $SUDO_USER ] ; then
+ local capuser capfile
+ if [ -z $SUDO_USER ]; then
capuser=""
else
capuser="-Z $SUDO_USER"
fi
- capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "${listener_ns}")
+ capfile=$(printf "mp_join-%02u-%s.pcap" "$MPTCP_LIB_TEST_COUNTER" "$ns")
echo "Capturing traffic for test $MPTCP_LIB_TEST_COUNTER into $capfile"
- ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
+ ip netns exec "$ns" tcpdump -i any -s 65535 -B 32768 $capuser -w "$capfile" > "$capout" 2>&1 &
cappid=$!
sleep 1
fi
+}
+
+cond_stop_capture()
+{
+ if $capture; then
+ sleep 1
+ kill $cappid
+ cat "$capout"
+ fi
+}
+
+get_port()
+{
+ echo "$((10000 + MPTCP_LIB_TEST_COUNTER - 1))"
+}
+
+do_transfer()
+{
+ local listener_ns="$1"
+ local connector_ns="$2"
+ local cl_proto="$3"
+ local srv_proto="$4"
+ local connect_addr="$5"
+ local port
+
+ local FAILING_LINKS=${FAILING_LINKS:-""}
+ local fastclose=${fastclose:-""}
+ local speed=${speed:-"fast"}
+ port=$(get_port)
+
+ :> "$cout"
+ :> "$sout"
+
+ cond_start_capture ${listener_ns}
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat -n
@@ -981,10 +1004,7 @@ do_transfer()
wait $spid
local rets=$?
- if $capture; then
- sleep 1
- kill $cappid
- fi
+ cond_stop_capture
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat | grep Tcp > /tmp/${listener_ns}.out
@@ -1000,7 +1020,6 @@ do_transfer()
ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
cat /tmp/${connector_ns}.out
- cat "$capout"
return 1
fi
@@ -1017,13 +1036,7 @@ do_transfer()
fi
rets=$?
- if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
- cat "$capout"
- return 0
- fi
-
- cat "$capout"
- return 1
+ [ $retc -eq 0 ] && [ $rets -eq 0 ]
}
make_file()
@@ -2786,6 +2799,32 @@ verify_listener_events()
fail_test
}
+chk_mpc_endp_attempt()
+{
+ local retl=$1
+ local attempts=$2
+
+ print_check "Connect"
+
+ if [ ${retl} = 124 ]; then
+ fail_test "timeout on connect"
+ elif [ ${retl} = 0 ]; then
+ fail_test "unexpected successful connect"
+ else
+ print_ok
+
+ print_check "Attempts"
+ count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPCapableEndpAttempt")
+ if [ -z "$count" ]; then
+ print_skip
+ elif [ "$count" != "$attempts" ]; then
+ fail_test "got ${count} MPC attempt[s] on port-based endpoint, expected ${attempts}"
+ else
+ print_ok
+ fi
+ fi
+}
+
add_addr_ports_tests()
{
# signal address with port
@@ -2876,6 +2915,22 @@ add_addr_ports_tests()
chk_join_nr 2 2 2
chk_add_nr 2 2 2
fi
+
+ if reset "port-based signal endpoint must not accept mpc"; then
+ local port retl count
+ port=$(get_port)
+
+ cond_start_capture ${ns1}
+ pm_nl_add_endpoint ${ns1} 10.0.2.1 flags signal port ${port}
+ mptcp_lib_wait_local_port_listen ${ns1} ${port}
+
+ timeout 1 ip netns exec ${ns2} \
+ ./mptcp_connect -t ${timeout_poll} -p $port -s MPTCP 10.0.2.1 >/dev/null 2>&1
+ retl=$?
+ cond_stop_capture
+
+ chk_mpc_endp_attempt ${retl} 1
+ fi
}
syncookies_tests()
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