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Message-ID: <2025022147-famished-reenter-0777@gregkh>
Date: Fri, 21 Feb 2025 14:27:48 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org,
torvalds@...ux-foundation.org,
stable@...r.kernel.org
Cc: lwn@....net,
jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 6.6.79
diff --git a/Documentation/arch/arm64/elf_hwcaps.rst b/Documentation/arch/arm64/elf_hwcaps.rst
index 76ff9d7398fd..f88a24d621dd 100644
--- a/Documentation/arch/arm64/elf_hwcaps.rst
+++ b/Documentation/arch/arm64/elf_hwcaps.rst
@@ -174,22 +174,28 @@ HWCAP2_DCPODP
Functionality implied by ID_AA64ISAR1_EL1.DPB == 0b0010.
HWCAP2_SVE2
- Functionality implied by ID_AA64ZFR0_EL1.SVEVer == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.SVEver == 0b0001.
HWCAP2_SVEAES
- Functionality implied by ID_AA64ZFR0_EL1.AES == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.AES == 0b0001.
HWCAP2_SVEPMULL
- Functionality implied by ID_AA64ZFR0_EL1.AES == 0b0010.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.AES == 0b0010.
HWCAP2_SVEBITPERM
- Functionality implied by ID_AA64ZFR0_EL1.BitPerm == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.BitPerm == 0b0001.
HWCAP2_SVESHA3
- Functionality implied by ID_AA64ZFR0_EL1.SHA3 == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.SHA3 == 0b0001.
HWCAP2_SVESM4
- Functionality implied by ID_AA64ZFR0_EL1.SM4 == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.SM4 == 0b0001.
HWCAP2_FLAGM2
Functionality implied by ID_AA64ISAR0_EL1.TS == 0b0010.
@@ -198,16 +204,20 @@ HWCAP2_FRINT
Functionality implied by ID_AA64ISAR1_EL1.FRINTTS == 0b0001.
HWCAP2_SVEI8MM
- Functionality implied by ID_AA64ZFR0_EL1.I8MM == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.I8MM == 0b0001.
HWCAP2_SVEF32MM
- Functionality implied by ID_AA64ZFR0_EL1.F32MM == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.F32MM == 0b0001.
HWCAP2_SVEF64MM
- Functionality implied by ID_AA64ZFR0_EL1.F64MM == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.F64MM == 0b0001.
HWCAP2_SVEBF16
- Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0001.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.BF16 == 0b0001.
HWCAP2_I8MM
Functionality implied by ID_AA64ISAR1_EL1.I8MM == 0b0001.
@@ -273,7 +283,8 @@ HWCAP2_EBF16
Functionality implied by ID_AA64ISAR1_EL1.BF16 == 0b0010.
HWCAP2_SVE_EBF16
- Functionality implied by ID_AA64ZFR0_EL1.BF16 == 0b0010.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.BF16 == 0b0010.
HWCAP2_CSSC
Functionality implied by ID_AA64ISAR2_EL1.CSSC == 0b0001.
@@ -282,7 +293,8 @@ HWCAP2_RPRFM
Functionality implied by ID_AA64ISAR2_EL1.RPRFM == 0b0001.
HWCAP2_SVE2P1
- Functionality implied by ID_AA64ZFR0_EL1.SVEver == 0b0010.
+ Functionality implied by ID_AA64PFR0_EL1.SVE == 0b0001 and
+ ID_AA64ZFR0_EL1.SVEver == 0b0010.
HWCAP2_SME2
Functionality implied by ID_AA64SMFR0_EL1.SMEver == 0b0001.
diff --git a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml
index 9ea8ac0786ac..a72175a0910b 100644
--- a/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.yaml
@@ -22,7 +22,7 @@ description:
Each sub-node is identified using the node's name, with valid values listed
for each of the pmics below.
- For mp5496, s1, s2
+ For mp5496, s1, s2, l2, l5
For pm2250, s1, s2, s3, s4, l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
l12, l13, l14, l15, l16, l17, l18, l19, l20, l21, l22
diff --git a/Makefile b/Makefile
index 1d777c3eb7fb..de16ab068614 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
-SUBLEVEL = 78
+SUBLEVEL = 79
EXTRAVERSION =
NAME = Pinguïn Aangedreven
@@ -1054,8 +1054,8 @@ LDFLAGS_vmlinux += --orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL)
endif
# Align the bit size of userspace programs with the kernel
-KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
-KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CFLAGS))
+KBUILD_USERCFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))
+KBUILD_USERLDFLAGS += $(filter -m32 -m64 --target=%, $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS))
# make the checker run with the right architecture
CHECKFLAGS += --arch=$(ARCH)
@@ -1348,18 +1348,13 @@ ifneq ($(wildcard $(resolve_btfids_O)),)
$(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(resolve_btfids_O) clean
endif
-# Clear a bunch of variables before executing the submake
-ifeq ($(quiet),silent_)
-tools_silent=s
-endif
-
tools/: FORCE
$(Q)mkdir -p $(objtree)/tools
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
+ $(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/
tools/%: FORCE
$(Q)mkdir -p $(objtree)/tools
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
+ $(Q)$(MAKE) LDFLAGS= O=$(abspath $(objtree)) subdir=tools -C $(srctree)/tools/ $*
# ---------------------------------------------------------------------------
# Kernel selftest
diff --git a/arch/alpha/include/uapi/asm/ptrace.h b/arch/alpha/include/uapi/asm/ptrace.h
index 5ca45934fcbb..72ed913a910f 100644
--- a/arch/alpha/include/uapi/asm/ptrace.h
+++ b/arch/alpha/include/uapi/asm/ptrace.h
@@ -42,6 +42,8 @@ struct pt_regs {
unsigned long trap_a0;
unsigned long trap_a1;
unsigned long trap_a2;
+/* This makes the stack 16-byte aligned as GCC expects */
+ unsigned long __pad0;
/* These are saved by PAL-code: */
unsigned long ps;
unsigned long pc;
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index b121294bee26..11c35cf45b46 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -34,7 +34,9 @@ void foo(void)
DEFINE(CRED_EGID, offsetof(struct cred, egid));
BLANK();
+ DEFINE(SP_OFF, offsetof(struct pt_regs, ps));
DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
+ DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack));
DEFINE(PT_PTRACED, PT_PTRACED);
DEFINE(CLONE_VM, CLONE_VM);
DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index eb51f93a70c8..602f701a1c39 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -15,10 +15,6 @@
.set noat
.cfi_sections .debug_frame
-/* Stack offsets. */
-#define SP_OFF 184
-#define SWITCH_STACK_SIZE 64
-
.macro CFI_START_OSF_FRAME func
.align 4
.globl \func
@@ -198,8 +194,8 @@ CFI_END_OSF_FRAME entArith
CFI_START_OSF_FRAME entMM
SAVE_ALL
/* save $9 - $15 so the inline exception code can manipulate them. */
- subq $sp, 56, $sp
- .cfi_adjust_cfa_offset 56
+ subq $sp, 64, $sp
+ .cfi_adjust_cfa_offset 64
stq $9, 0($sp)
stq $10, 8($sp)
stq $11, 16($sp)
@@ -214,7 +210,7 @@ CFI_START_OSF_FRAME entMM
.cfi_rel_offset $13, 32
.cfi_rel_offset $14, 40
.cfi_rel_offset $15, 48
- addq $sp, 56, $19
+ addq $sp, 64, $19
/* handle the fault */
lda $8, 0x3fff
bic $sp, $8, $8
@@ -227,7 +223,7 @@ CFI_START_OSF_FRAME entMM
ldq $13, 32($sp)
ldq $14, 40($sp)
ldq $15, 48($sp)
- addq $sp, 56, $sp
+ addq $sp, 64, $sp
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
@@ -235,7 +231,7 @@ CFI_START_OSF_FRAME entMM
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
- .cfi_adjust_cfa_offset -56
+ .cfi_adjust_cfa_offset -64
/* finish up the syscall as normal. */
br ret_from_sys_call
CFI_END_OSF_FRAME entMM
@@ -382,8 +378,8 @@ entUnaUser:
.cfi_restore $0
.cfi_adjust_cfa_offset -256
SAVE_ALL /* setup normal kernel stack */
- lda $sp, -56($sp)
- .cfi_adjust_cfa_offset 56
+ lda $sp, -64($sp)
+ .cfi_adjust_cfa_offset 64
stq $9, 0($sp)
stq $10, 8($sp)
stq $11, 16($sp)
@@ -399,7 +395,7 @@ entUnaUser:
.cfi_rel_offset $14, 40
.cfi_rel_offset $15, 48
lda $8, 0x3fff
- addq $sp, 56, $19
+ addq $sp, 64, $19
bic $sp, $8, $8
jsr $26, do_entUnaUser
ldq $9, 0($sp)
@@ -409,7 +405,7 @@ entUnaUser:
ldq $13, 32($sp)
ldq $14, 40($sp)
ldq $15, 48($sp)
- lda $sp, 56($sp)
+ lda $sp, 64($sp)
.cfi_restore $9
.cfi_restore $10
.cfi_restore $11
@@ -417,7 +413,7 @@ entUnaUser:
.cfi_restore $13
.cfi_restore $14
.cfi_restore $15
- .cfi_adjust_cfa_offset -56
+ .cfi_adjust_cfa_offset -64
br ret_from_sys_call
CFI_END_OSF_FRAME entUna
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index d9a67b370e04..de72bd837c5a 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -707,7 +707,7 @@ s_reg_to_mem (unsigned long s_reg)
static int unauser_reg_offsets[32] = {
R(r0), R(r1), R(r2), R(r3), R(r4), R(r5), R(r6), R(r7), R(r8),
/* r9 ... r15 are stored in front of regs. */
- -56, -48, -40, -32, -24, -16, -8,
+ -64, -56, -48, -40, -32, -24, -16, /* padding at -8 */
R(r16), R(r17), R(r18),
R(r19), R(r20), R(r21), R(r22), R(r23), R(r24), R(r25), R(r26),
R(r27), R(r28), R(gp),
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 8c9850437e67..a9816bbc9f34 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -78,8 +78,8 @@ __load_new_mm_context(struct mm_struct *next_mm)
/* Macro for exception fixup code to access integer registers. */
#define dpf_reg(r) \
- (((unsigned long *)regs)[(r) <= 8 ? (r) : (r) <= 15 ? (r)-16 : \
- (r) <= 18 ? (r)+10 : (r)-10])
+ (((unsigned long *)regs)[(r) <= 8 ? (r) : (r) <= 15 ? (r)-17 : \
+ (r) <= 18 ? (r)+11 : (r)-10])
asmlinkage void
do_page_fault(unsigned long address, unsigned long mmcsr,
diff --git a/arch/arm64/kernel/cacheinfo.c b/arch/arm64/kernel/cacheinfo.c
index d9c9218fa1fd..309942b06c5b 100644
--- a/arch/arm64/kernel/cacheinfo.c
+++ b/arch/arm64/kernel/cacheinfo.c
@@ -101,16 +101,18 @@ int populate_cache_leaves(unsigned int cpu)
unsigned int level, idx;
enum cache_type type;
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
- struct cacheinfo *this_leaf = this_cpu_ci->info_list;
+ struct cacheinfo *infos = this_cpu_ci->info_list;
for (idx = 0, level = 1; level <= this_cpu_ci->num_levels &&
- idx < this_cpu_ci->num_leaves; idx++, level++) {
+ idx < this_cpu_ci->num_leaves; level++) {
type = get_cache_type(level);
if (type == CACHE_TYPE_SEPARATE) {
- ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level);
- ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level);
+ if (idx + 1 >= this_cpu_ci->num_leaves)
+ break;
+ ci_leaf_init(&infos[idx++], CACHE_TYPE_DATA, level);
+ ci_leaf_init(&infos[idx++], CACHE_TYPE_INST, level);
} else {
- ci_leaf_init(this_leaf++, type, level);
+ ci_leaf_init(&infos[idx++], type, level);
}
}
return 0;
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 7e9660455900..82778258855d 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2762,6 +2762,13 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.matches = match, \
}
+#define HWCAP_CAP_MATCH_ID(match, reg, field, min_value, cap_type, cap) \
+ { \
+ __HWCAP_CAP(#cap, cap_type, cap) \
+ HWCAP_CPUID_MATCH(reg, field, min_value) \
+ .matches = match, \
+ }
+
#ifdef CONFIG_ARM64_PTR_AUTH
static const struct arm64_cpu_capabilities ptr_auth_hwcap_addr_matches[] = {
{
@@ -2790,6 +2797,13 @@ static const struct arm64_cpu_capabilities ptr_auth_hwcap_gen_matches[] = {
};
#endif
+#ifdef CONFIG_ARM64_SVE
+static bool has_sve_feature(const struct arm64_cpu_capabilities *cap, int scope)
+{
+ return system_supports_sve() && has_user_cpuid_feature(cap, scope);
+}
+#endif
+
static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
HWCAP_CAP(ID_AA64ISAR0_EL1, AES, PMULL, CAP_HWCAP, KERNEL_HWCAP_PMULL),
HWCAP_CAP(ID_AA64ISAR0_EL1, AES, AES, CAP_HWCAP, KERNEL_HWCAP_AES),
@@ -2827,18 +2841,18 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
HWCAP_CAP(ID_AA64MMFR2_EL1, AT, IMP, CAP_HWCAP, KERNEL_HWCAP_USCAT),
#ifdef CONFIG_ARM64_SVE
HWCAP_CAP(ID_AA64PFR0_EL1, SVE, IMP, CAP_HWCAP, KERNEL_HWCAP_SVE),
- HWCAP_CAP(ID_AA64ZFR0_EL1, SVEver, SVE2p1, CAP_HWCAP, KERNEL_HWCAP_SVE2P1),
- HWCAP_CAP(ID_AA64ZFR0_EL1, SVEver, SVE2, CAP_HWCAP, KERNEL_HWCAP_SVE2),
- HWCAP_CAP(ID_AA64ZFR0_EL1, AES, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEAES),
- HWCAP_CAP(ID_AA64ZFR0_EL1, AES, PMULL128, CAP_HWCAP, KERNEL_HWCAP_SVEPMULL),
- HWCAP_CAP(ID_AA64ZFR0_EL1, BitPerm, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEBITPERM),
- HWCAP_CAP(ID_AA64ZFR0_EL1, BF16, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEBF16),
- HWCAP_CAP(ID_AA64ZFR0_EL1, BF16, EBF16, CAP_HWCAP, KERNEL_HWCAP_SVE_EBF16),
- HWCAP_CAP(ID_AA64ZFR0_EL1, SHA3, IMP, CAP_HWCAP, KERNEL_HWCAP_SVESHA3),
- HWCAP_CAP(ID_AA64ZFR0_EL1, SM4, IMP, CAP_HWCAP, KERNEL_HWCAP_SVESM4),
- HWCAP_CAP(ID_AA64ZFR0_EL1, I8MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEI8MM),
- HWCAP_CAP(ID_AA64ZFR0_EL1, F32MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEF32MM),
- HWCAP_CAP(ID_AA64ZFR0_EL1, F64MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEF64MM),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, SVEver, SVE2p1, CAP_HWCAP, KERNEL_HWCAP_SVE2P1),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, SVEver, SVE2, CAP_HWCAP, KERNEL_HWCAP_SVE2),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, AES, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEAES),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, AES, PMULL128, CAP_HWCAP, KERNEL_HWCAP_SVEPMULL),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, BitPerm, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEBITPERM),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, BF16, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEBF16),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, BF16, EBF16, CAP_HWCAP, KERNEL_HWCAP_SVE_EBF16),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, SHA3, IMP, CAP_HWCAP, KERNEL_HWCAP_SVESHA3),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, SM4, IMP, CAP_HWCAP, KERNEL_HWCAP_SVESM4),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, I8MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEI8MM),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, F32MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEF32MM),
+ HWCAP_CAP_MATCH_ID(has_sve_feature, ID_AA64ZFR0_EL1, F64MM, IMP, CAP_HWCAP, KERNEL_HWCAP_SVEF64MM),
#endif
HWCAP_CAP(ID_AA64PFR1_EL1, SSBS, SSBS2, CAP_HWCAP, KERNEL_HWCAP_SSBS),
#ifdef CONFIG_ARM64_BTI
diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S
index 45354f2ddf70..2e126ab79ecd 100644
--- a/arch/arm64/kernel/vdso/vdso.lds.S
+++ b/arch/arm64/kernel/vdso/vdso.lds.S
@@ -38,6 +38,7 @@ SECTIONS
*/
/DISCARD/ : {
*(.note.GNU-stack .note.gnu.property)
+ *(.ARM.attributes)
}
.note : { *(.note.*) } :text :note
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index a553dae9a0d4..d4353741f331 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -162,6 +162,7 @@ SECTIONS
/DISCARD/ : {
*(.interp .dynamic)
*(.dynsym .dynstr .hash .gnu.hash)
+ *(.ARM.attributes)
}
. = KIMAGE_VADDR;
diff --git a/arch/loongarch/kernel/genex.S b/arch/loongarch/kernel/genex.S
index 2bb3aa2dcfcb..e75c2dbd5f2c 100644
--- a/arch/loongarch/kernel/genex.S
+++ b/arch/loongarch/kernel/genex.S
@@ -18,27 +18,29 @@
.align 5
SYM_FUNC_START(__arch_cpu_idle)
- /* start of rollback region */
- LONG_L t0, tp, TI_FLAGS
- nop
- andi t0, t0, _TIF_NEED_RESCHED
- bnez t0, 1f
- nop
- nop
- nop
+ /* start of idle interrupt region */
+ ori t0, zero, CSR_CRMD_IE
+ /* idle instruction needs irq enabled */
+ csrxchg t0, t0, LOONGARCH_CSR_CRMD
+ /*
+ * If an interrupt lands here; between enabling interrupts above and
+ * going idle on the next instruction, we must *NOT* go idle since the
+ * interrupt could have set TIF_NEED_RESCHED or caused an timer to need
+ * reprogramming. Fall through -- see handle_vint() below -- and have
+ * the idle loop take care of things.
+ */
idle 0
- /* end of rollback region */
+ /* end of idle interrupt region */
1: jr ra
SYM_FUNC_END(__arch_cpu_idle)
SYM_CODE_START(handle_vint)
BACKUP_T0T1
SAVE_ALL
- la_abs t1, __arch_cpu_idle
+ la_abs t1, 1b
LONG_L t0, sp, PT_ERA
- /* 32 byte rollback region */
- ori t0, t0, 0x1f
- xori t0, t0, 0x1f
+ /* 3 instructions idle interrupt region */
+ ori t0, t0, 0b1100
bne t0, t1, 1f
LONG_S t0, sp, PT_ERA
1: move a0, sp
diff --git a/arch/loongarch/kernel/idle.c b/arch/loongarch/kernel/idle.c
index 0b5dd2faeb90..54b247d8cdb6 100644
--- a/arch/loongarch/kernel/idle.c
+++ b/arch/loongarch/kernel/idle.c
@@ -11,7 +11,6 @@
void __cpuidle arch_cpu_idle(void)
{
- raw_local_irq_enable();
- __arch_cpu_idle(); /* idle instruction needs irq enabled */
+ __arch_cpu_idle();
raw_local_irq_disable();
}
diff --git a/arch/loongarch/kernel/reset.c b/arch/loongarch/kernel/reset.c
index 1ef8c6383535..de8fa5a8a825 100644
--- a/arch/loongarch/kernel/reset.c
+++ b/arch/loongarch/kernel/reset.c
@@ -33,7 +33,7 @@ void machine_halt(void)
console_flush_on_panic(CONSOLE_FLUSH_PENDING);
while (true) {
- __arch_cpu_idle();
+ __asm__ __volatile__("idle 0" : : : "memory");
}
}
@@ -53,7 +53,7 @@ void machine_power_off(void)
#endif
while (true) {
- __arch_cpu_idle();
+ __asm__ __volatile__("idle 0" : : : "memory");
}
}
@@ -74,6 +74,6 @@ void machine_restart(char *command)
acpi_reboot();
while (true) {
- __arch_cpu_idle();
+ __asm__ __volatile__("idle 0" : : : "memory");
}
}
diff --git a/arch/loongarch/lib/csum.c b/arch/loongarch/lib/csum.c
index a5e84b403c3b..df309ae4045d 100644
--- a/arch/loongarch/lib/csum.c
+++ b/arch/loongarch/lib/csum.c
@@ -25,7 +25,7 @@ unsigned int __no_sanitize_address do_csum(const unsigned char *buff, int len)
const u64 *ptr;
u64 data, sum64 = 0;
- if (unlikely(len == 0))
+ if (unlikely(len <= 0))
return 0;
offset = (unsigned long)buff & 7;
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 37c8badd2701..df286789c94f 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -4715,8 +4715,11 @@ static void intel_pmu_cpu_starting(int cpu)
init_debug_store_on_cpu(cpu);
/*
- * Deal with CPUs that don't clear their LBRs on power-up.
+ * Deal with CPUs that don't clear their LBRs on power-up, and that may
+ * even boot with LBRs enabled.
*/
+ if (!static_cpu_has(X86_FEATURE_ARCH_LBR) && x86_pmu.lbr_nr)
+ msr_clear_bit(MSR_IA32_DEBUGCTLMSR, DEBUGCTLMSR_LBR_BIT);
intel_pmu_lbr_reset();
cpuc->lbr_sel = NULL;
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index 0da5c227f490..53763cf19277 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/include/asm/mmu.h
@@ -37,6 +37,8 @@ typedef struct {
*/
atomic64_t tlb_gen;
+ unsigned long next_trim_cpumask;
+
#ifdef CONFIG_MODIFY_LDT_SYSCALL
struct rw_semaphore ldt_usr_sem;
struct ldt_struct *ldt;
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index 8dac45a2c7fc..f5afd956d5e5 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -145,6 +145,7 @@ static inline int init_new_context(struct task_struct *tsk,
mm->context.ctx_id = atomic64_inc_return(&last_mm_ctx_id);
atomic64_set(&mm->context.tlb_gen, 0);
+ mm->context.next_trim_cpumask = jiffies + HZ;
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
if (cpu_feature_enabled(X86_FEATURE_OSPKE)) {
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 24b7bd255e98..623bb48774d4 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -358,7 +358,8 @@
#define MSR_IA32_PASID_VALID BIT_ULL(31)
/* DEBUGCTLMSR bits (others vary by model): */
-#define DEBUGCTLMSR_LBR (1UL << 0) /* last branch recording */
+#define DEBUGCTLMSR_LBR_BIT 0 /* last branch recording */
+#define DEBUGCTLMSR_LBR (1UL << DEBUGCTLMSR_LBR_BIT)
#define DEBUGCTLMSR_BTF_SHIFT 1
#define DEBUGCTLMSR_BTF (1UL << 1) /* single-step on branches */
#define DEBUGCTLMSR_BUS_LOCK_DETECT (1UL << 2)
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index 25726893c6f4..5d61adc6e892 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -222,6 +222,7 @@ struct flush_tlb_info {
unsigned int initiating_cpu;
u8 stride_shift;
u8 freed_tables;
+ u8 trim_cpumask;
};
void flush_tlb_local(void);
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 2b7999a1a50a..80e262bb627f 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -8,6 +8,7 @@
#include <linux/timex.h>
#include <linux/i8253.h>
+#include <asm/hypervisor.h>
#include <asm/apic.h>
#include <asm/hpet.h>
#include <asm/time.h>
@@ -39,9 +40,15 @@ static bool __init use_pit(void)
bool __init pit_timer_init(void)
{
- if (!use_pit())
+ if (!use_pit()) {
+ /*
+ * Don't just ignore the PIT. Ensure it's stopped, because
+ * VMMs otherwise steal CPU time just to pointlessly waggle
+ * the (masked) IRQ.
+ */
+ clockevent_i8253_disable();
return false;
-
+ }
clockevent_i8253_init(true);
global_clock_event = &i8253_clockevent;
return true;
diff --git a/arch/x86/kernel/static_call.c b/arch/x86/kernel/static_call.c
index e332d835d658..07961b362e2a 100644
--- a/arch/x86/kernel/static_call.c
+++ b/arch/x86/kernel/static_call.c
@@ -175,7 +175,6 @@ EXPORT_SYMBOL_GPL(arch_static_call_transform);
noinstr void __static_call_update_early(void *tramp, void *func)
{
BUG_ON(system_state != SYSTEM_BOOTING);
- BUG_ON(!early_boot_irqs_disabled);
BUG_ON(static_call_initialized);
__text_gen_insn(tramp, JMP32_INSN_OPCODE, tramp, func, JMP32_INSN_SIZE);
sync_core();
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 238afd7335e4..bd3fbd5be5da 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -2175,6 +2175,9 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc)
u32 vector;
bool all_cpus;
+ if (!lapic_in_kernel(vcpu))
+ return HV_STATUS_INVALID_HYPERCALL_INPUT;
+
if (hc->code == HVCALL_SEND_IPI) {
if (!hc->fast) {
if (unlikely(kvm_read_guest(kvm, hc->ingpa, &send_ipi,
@@ -2801,7 +2804,8 @@ int kvm_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
ent->eax |= HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED;
ent->eax |= HV_X64_APIC_ACCESS_RECOMMENDED;
ent->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED;
- ent->eax |= HV_X64_CLUSTER_IPI_RECOMMENDED;
+ if (!vcpu || lapic_in_kernel(vcpu))
+ ent->eax |= HV_X64_CLUSTER_IPI_RECOMMENDED;
ent->eax |= HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED;
if (evmcs_ver)
ent->eax |= HV_X64_ENLIGHTENED_VMCS_RECOMMENDED;
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index ff85526a9d48..04b9b919235e 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5289,7 +5289,7 @@ void kvm_init_shadow_npt_mmu(struct kvm_vcpu *vcpu, unsigned long cr0,
union kvm_mmu_page_role root_role;
/* NPT requires CR0.PG=1. */
- WARN_ON_ONCE(cpu_role.base.direct);
+ WARN_ON_ONCE(cpu_role.base.direct || !cpu_role.base.guest_mode);
root_role = cpu_role.base;
root_role.level = kvm_mmu_get_tdp_level(vcpu);
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index acf22bd99efc..e3f3e30fc89c 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -644,6 +644,11 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm,
u32 pause_count12;
u32 pause_thresh12;
+ nested_svm_transition_tlb_flush(vcpu);
+
+ /* Enter Guest-Mode */
+ enter_guest_mode(vcpu);
+
/*
* Filled at exit: exit_code, exit_code_hi, exit_info_1, exit_info_2,
* exit_int_info, exit_int_info_err, next_rip, insn_len, insn_bytes.
@@ -760,11 +765,6 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm,
}
}
- nested_svm_transition_tlb_flush(vcpu);
-
- /* Enter Guest-Mode */
- enter_guest_mode(vcpu);
-
/*
* Merge guest and host intercepts - must be called with vcpu in
* guest-mode to take effect.
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 64f594826a28..df1794a5e38a 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -898,9 +898,36 @@ static void flush_tlb_func(void *info)
nr_invalidate);
}
-static bool tlb_is_not_lazy(int cpu, void *data)
+static bool should_flush_tlb(int cpu, void *data)
{
- return !per_cpu(cpu_tlbstate_shared.is_lazy, cpu);
+ struct flush_tlb_info *info = data;
+
+ /* Lazy TLB will get flushed at the next context switch. */
+ if (per_cpu(cpu_tlbstate_shared.is_lazy, cpu))
+ return false;
+
+ /* No mm means kernel memory flush. */
+ if (!info->mm)
+ return true;
+
+ /* The target mm is loaded, and the CPU is not lazy. */
+ if (per_cpu(cpu_tlbstate.loaded_mm, cpu) == info->mm)
+ return true;
+
+ /* In cpumask, but not the loaded mm? Periodically remove by flushing. */
+ if (info->trim_cpumask)
+ return true;
+
+ return false;
+}
+
+static bool should_trim_cpumask(struct mm_struct *mm)
+{
+ if (time_after(jiffies, READ_ONCE(mm->context.next_trim_cpumask))) {
+ WRITE_ONCE(mm->context.next_trim_cpumask, jiffies + HZ);
+ return true;
+ }
+ return false;
}
DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state_shared, cpu_tlbstate_shared);
@@ -934,7 +961,7 @@ STATIC_NOPV void native_flush_tlb_multi(const struct cpumask *cpumask,
if (info->freed_tables)
on_each_cpu_mask(cpumask, flush_tlb_func, (void *)info, true);
else
- on_each_cpu_cond_mask(tlb_is_not_lazy, flush_tlb_func,
+ on_each_cpu_cond_mask(should_flush_tlb, flush_tlb_func,
(void *)info, 1, cpumask);
}
@@ -985,6 +1012,7 @@ static struct flush_tlb_info *get_flush_tlb_info(struct mm_struct *mm,
info->freed_tables = freed_tables;
info->new_tlb_gen = new_tlb_gen;
info->initiating_cpu = smp_processor_id();
+ info->trim_cpumask = 0;
return info;
}
@@ -1027,6 +1055,7 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
* flush_tlb_func_local() directly in this case.
*/
if (cpumask_any_but(mm_cpumask(mm), cpu) < nr_cpu_ids) {
+ info->trim_cpumask = should_trim_cpumask(mm);
flush_tlb_multi(mm_cpumask(mm), info);
} else if (mm == this_cpu_read(cpu_tlbstate.loaded_mm)) {
lockdep_assert_irqs_enabled();
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 6b201e64d8ab..88a722954f3f 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -113,6 +113,51 @@ static pud_t level3_user_vsyscall[PTRS_PER_PUD] __page_aligned_bss;
*/
static DEFINE_SPINLOCK(xen_reservation_lock);
+/* Protected by xen_reservation_lock. */
+#define MIN_CONTIG_ORDER 9 /* 2MB */
+static unsigned int discontig_frames_order = MIN_CONTIG_ORDER;
+static unsigned long discontig_frames_early[1UL << MIN_CONTIG_ORDER] __initdata;
+static unsigned long *discontig_frames __refdata = discontig_frames_early;
+static bool discontig_frames_dyn;
+
+static int alloc_discontig_frames(unsigned int order)
+{
+ unsigned long *new_array, *old_array;
+ unsigned int old_order;
+ unsigned long flags;
+
+ BUG_ON(order < MIN_CONTIG_ORDER);
+ BUILD_BUG_ON(sizeof(discontig_frames_early) != PAGE_SIZE);
+
+ new_array = (unsigned long *)__get_free_pages(GFP_KERNEL,
+ order - MIN_CONTIG_ORDER);
+ if (!new_array)
+ return -ENOMEM;
+
+ spin_lock_irqsave(&xen_reservation_lock, flags);
+
+ old_order = discontig_frames_order;
+
+ if (order > discontig_frames_order || !discontig_frames_dyn) {
+ if (!discontig_frames_dyn)
+ old_array = NULL;
+ else
+ old_array = discontig_frames;
+
+ discontig_frames = new_array;
+ discontig_frames_order = order;
+ discontig_frames_dyn = true;
+ } else {
+ old_array = new_array;
+ }
+
+ spin_unlock_irqrestore(&xen_reservation_lock, flags);
+
+ free_pages((unsigned long)old_array, old_order - MIN_CONTIG_ORDER);
+
+ return 0;
+}
+
/*
* Note about cr3 (pagetable base) values:
*
@@ -782,6 +827,7 @@ void xen_mm_pin_all(void)
{
struct page *page;
+ spin_lock(&init_mm.page_table_lock);
spin_lock(&pgd_lock);
list_for_each_entry(page, &pgd_list, lru) {
@@ -792,6 +838,7 @@ void xen_mm_pin_all(void)
}
spin_unlock(&pgd_lock);
+ spin_unlock(&init_mm.page_table_lock);
}
static void __init xen_mark_pinned(struct mm_struct *mm, struct page *page,
@@ -813,6 +860,9 @@ static void __init xen_after_bootmem(void)
SetPagePinned(virt_to_page(level3_user_vsyscall));
#endif
xen_pgd_walk(&init_mm, xen_mark_pinned, FIXADDR_TOP);
+
+ if (alloc_discontig_frames(MIN_CONTIG_ORDER))
+ BUG();
}
static void xen_unpin_page(struct mm_struct *mm, struct page *page,
@@ -888,6 +938,7 @@ void xen_mm_unpin_all(void)
{
struct page *page;
+ spin_lock(&init_mm.page_table_lock);
spin_lock(&pgd_lock);
list_for_each_entry(page, &pgd_list, lru) {
@@ -899,6 +950,7 @@ void xen_mm_unpin_all(void)
}
spin_unlock(&pgd_lock);
+ spin_unlock(&init_mm.page_table_lock);
}
static void xen_enter_mmap(struct mm_struct *mm)
@@ -2199,10 +2251,6 @@ void __init xen_init_mmu_ops(void)
memset(dummy_mapping, 0xff, PAGE_SIZE);
}
-/* Protected by xen_reservation_lock. */
-#define MAX_CONTIG_ORDER 9 /* 2MB */
-static unsigned long discontig_frames[1<<MAX_CONTIG_ORDER];
-
#define VOID_PTE (mfn_pte(0, __pgprot(0)))
static void xen_zap_pfn_range(unsigned long vaddr, unsigned int order,
unsigned long *in_frames,
@@ -2319,18 +2367,25 @@ int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle)
{
- unsigned long *in_frames = discontig_frames, out_frame;
+ unsigned long *in_frames, out_frame;
unsigned long flags;
int success;
unsigned long vstart = (unsigned long)phys_to_virt(pstart);
- if (unlikely(order > MAX_CONTIG_ORDER))
- return -ENOMEM;
+ if (unlikely(order > discontig_frames_order)) {
+ if (!discontig_frames_dyn)
+ return -ENOMEM;
+
+ if (alloc_discontig_frames(order))
+ return -ENOMEM;
+ }
memset((void *) vstart, 0, PAGE_SIZE << order);
spin_lock_irqsave(&xen_reservation_lock, flags);
+ in_frames = discontig_frames;
+
/* 1. Zap current PTEs, remembering MFNs. */
xen_zap_pfn_range(vstart, order, in_frames, NULL);
@@ -2354,12 +2409,12 @@ int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order)
{
- unsigned long *out_frames = discontig_frames, in_frame;
+ unsigned long *out_frames, in_frame;
unsigned long flags;
int success;
unsigned long vstart;
- if (unlikely(order > MAX_CONTIG_ORDER))
+ if (unlikely(order > discontig_frames_order))
return;
vstart = (unsigned long)phys_to_virt(pstart);
@@ -2367,6 +2422,8 @@ void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order)
spin_lock_irqsave(&xen_reservation_lock, flags);
+ out_frames = discontig_frames;
+
/* 1. Find start MFN of contiguous extent. */
in_frame = virt_to_mfn((void *)vstart);
diff --git a/block/partitions/mac.c b/block/partitions/mac.c
index 7b521df00a39..6415213cd184 100644
--- a/block/partitions/mac.c
+++ b/block/partitions/mac.c
@@ -51,13 +51,25 @@ int mac_partition(struct parsed_partitions *state)
}
secsize = be16_to_cpu(md->block_size);
put_dev_sector(sect);
+
+ /*
+ * If the "block size" is not a power of 2, things get weird - we might
+ * end up with a partition straddling a sector boundary, so we wouldn't
+ * be able to read a partition entry with read_part_sector().
+ * Real block sizes are probably (?) powers of two, so just require
+ * that.
+ */
+ if (!is_power_of_2(secsize))
+ return -1;
datasize = round_down(secsize, 512);
data = read_part_sector(state, datasize / 512, §);
if (!data)
return -1;
partoffset = secsize % 512;
- if (partoffset + sizeof(*part) > datasize)
+ if (partoffset + sizeof(*part) > datasize) {
+ put_dev_sector(sect);
return -1;
+ }
part = (struct mac_partition *) (data + partoffset);
if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) {
put_dev_sector(sect);
@@ -110,8 +122,8 @@ int mac_partition(struct parsed_partitions *state)
int i, l;
goodness++;
- l = strlen(part->name);
- if (strcmp(part->name, "/") == 0)
+ l = strnlen(part->name, sizeof(part->name));
+ if (strncmp(part->name, "/", sizeof(part->name)) == 0)
goodness++;
for (i = 0; i <= l - 4; ++i) {
if (strncasecmp(part->name + i, "root",
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index fdfc88e09986..e894fdf6d553 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -400,6 +400,19 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
.driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
},
+ {
+ /* Vexia Edu Atla 10 tablet 5V version */
+ .matches = {
+ /* Having all 3 of these not set is somewhat unique */
+ DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
+ DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."),
+ /* Above strings are too generic, also match on BIOS date */
+ DMI_MATCH(DMI_BIOS_DATE, "05/14/2015"),
+ },
+ .driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
+ ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+ },
{
/* Vexia Edu Atla 10 tablet 9V version */
.matches = {
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index dceab5d013de..d99c9fb666c2 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -894,6 +894,7 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
kfree(d->wake_buf);
kfree(d->mask_buf_def);
kfree(d->mask_buf);
+ kfree(d->main_status_buf);
kfree(d->status_buf);
kfree(d->status_reg_buf);
if (d->config_buf) {
@@ -969,6 +970,7 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
kfree(d->wake_buf);
kfree(d->mask_buf_def);
kfree(d->mask_buf);
+ kfree(d->main_status_buf);
kfree(d->status_reg_buf);
kfree(d->status_buf);
if (d->config_buf) {
diff --git a/drivers/clocksource/i8253.c b/drivers/clocksource/i8253.c
index d4350bb10b83..cb215e6f2e83 100644
--- a/drivers/clocksource/i8253.c
+++ b/drivers/clocksource/i8253.c
@@ -108,11 +108,8 @@ int __init clocksource_i8253_init(void)
#endif
#ifdef CONFIG_CLKEVT_I8253
-static int pit_shutdown(struct clock_event_device *evt)
+void clockevent_i8253_disable(void)
{
- if (!clockevent_state_oneshot(evt) && !clockevent_state_periodic(evt))
- return 0;
-
raw_spin_lock(&i8253_lock);
outb_p(0x30, PIT_MODE);
@@ -123,6 +120,14 @@ static int pit_shutdown(struct clock_event_device *evt)
}
raw_spin_unlock(&i8253_lock);
+}
+
+static int pit_shutdown(struct clock_event_device *evt)
+{
+ if (!clockevent_state_oneshot(evt) && !clockevent_state_periodic(evt))
+ return 0;
+
+ clockevent_i8253_disable();
return 0;
}
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 2c1095dcc2f2..1ab161e00c86 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -908,13 +908,15 @@ char * __init efi_md_typeattr_format(char *buf, size_t size,
EFI_MEMORY_WB | EFI_MEMORY_UCE | EFI_MEMORY_RO |
EFI_MEMORY_WP | EFI_MEMORY_RP | EFI_MEMORY_XP |
EFI_MEMORY_NV | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO |
- EFI_MEMORY_RUNTIME | EFI_MEMORY_MORE_RELIABLE))
+ EFI_MEMORY_MORE_RELIABLE | EFI_MEMORY_HOT_PLUGGABLE |
+ EFI_MEMORY_RUNTIME))
snprintf(pos, size, "|attr=0x%016llx]",
(unsigned long long)attr);
else
snprintf(pos, size,
- "|%3s|%2s|%2s|%2s|%2s|%2s|%2s|%2s|%2s|%3s|%2s|%2s|%2s|%2s]",
+ "|%3s|%2s|%2s|%2s|%2s|%2s|%2s|%2s|%2s|%2s|%3s|%2s|%2s|%2s|%2s]",
attr & EFI_MEMORY_RUNTIME ? "RUN" : "",
+ attr & EFI_MEMORY_HOT_PLUGGABLE ? "HP" : "",
attr & EFI_MEMORY_MORE_RELIABLE ? "MR" : "",
attr & EFI_MEMORY_CPU_CRYPTO ? "CC" : "",
attr & EFI_MEMORY_SP ? "SP" : "",
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index c41e7b2091cd..8ad3efb9b1ff 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -25,6 +25,9 @@ static unsigned long get_entry_num_slots(efi_memory_desc_t *md,
if (md->type != EFI_CONVENTIONAL_MEMORY)
return 0;
+ if (md->attribute & EFI_MEMORY_HOT_PLUGGABLE)
+ return 0;
+
if (efi_soft_reserve_enabled() &&
(md->attribute & EFI_MEMORY_SP))
return 0;
diff --git a/drivers/firmware/efi/libstub/relocate.c b/drivers/firmware/efi/libstub/relocate.c
index bf6fbd5d22a1..713ee2de02cf 100644
--- a/drivers/firmware/efi/libstub/relocate.c
+++ b/drivers/firmware/efi/libstub/relocate.c
@@ -53,6 +53,9 @@ efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
if (desc->type != EFI_CONVENTIONAL_MEMORY)
continue;
+ if (desc->attribute & EFI_MEMORY_HOT_PLUGGABLE)
+ continue;
+
if (efi_soft_reserve_enabled() &&
(desc->attribute & EFI_MEMORY_SP))
continue;
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index 5321ef98f442..64908f1a5e7f 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -69,6 +69,22 @@ struct bcm_kona_gpio {
struct bcm_kona_gpio_bank {
int id;
int irq;
+ /*
+ * Used to keep track of lock/unlock operations for each GPIO in the
+ * bank.
+ *
+ * All GPIOs are locked by default (see bcm_kona_gpio_reset), and the
+ * unlock count for all GPIOs is 0 by default. Each unlock increments
+ * the counter, and each lock decrements the counter.
+ *
+ * The lock function only locks the GPIO once its unlock counter is
+ * down to 0. This is necessary because the GPIO is unlocked in two
+ * places in this driver: once for requested GPIOs, and once for
+ * requested IRQs. Since it is possible for a GPIO to be requested
+ * as both a GPIO and an IRQ, we need to ensure that we don't lock it
+ * too early.
+ */
+ u8 gpio_unlock_count[GPIO_PER_BANK];
/* Used in the interrupt handler */
struct bcm_kona_gpio *kona_gpio;
};
@@ -86,14 +102,24 @@ static void bcm_kona_gpio_lock_gpio(struct bcm_kona_gpio *kona_gpio,
u32 val;
unsigned long flags;
int bank_id = GPIO_BANK(gpio);
+ int bit = GPIO_BIT(gpio);
+ struct bcm_kona_gpio_bank *bank = &kona_gpio->banks[bank_id];
- raw_spin_lock_irqsave(&kona_gpio->lock, flags);
+ if (bank->gpio_unlock_count[bit] == 0) {
+ dev_err(kona_gpio->gpio_chip.parent,
+ "Unbalanced locks for GPIO %u\n", gpio);
+ return;
+ }
- val = readl(kona_gpio->reg_base + GPIO_PWD_STATUS(bank_id));
- val |= BIT(gpio);
- bcm_kona_gpio_write_lock_regs(kona_gpio->reg_base, bank_id, val);
+ if (--bank->gpio_unlock_count[bit] == 0) {
+ raw_spin_lock_irqsave(&kona_gpio->lock, flags);
- raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
+ val = readl(kona_gpio->reg_base + GPIO_PWD_STATUS(bank_id));
+ val |= BIT(bit);
+ bcm_kona_gpio_write_lock_regs(kona_gpio->reg_base, bank_id, val);
+
+ raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
+ }
}
static void bcm_kona_gpio_unlock_gpio(struct bcm_kona_gpio *kona_gpio,
@@ -102,14 +128,20 @@ static void bcm_kona_gpio_unlock_gpio(struct bcm_kona_gpio *kona_gpio,
u32 val;
unsigned long flags;
int bank_id = GPIO_BANK(gpio);
+ int bit = GPIO_BIT(gpio);
+ struct bcm_kona_gpio_bank *bank = &kona_gpio->banks[bank_id];
- raw_spin_lock_irqsave(&kona_gpio->lock, flags);
+ if (bank->gpio_unlock_count[bit] == 0) {
+ raw_spin_lock_irqsave(&kona_gpio->lock, flags);
- val = readl(kona_gpio->reg_base + GPIO_PWD_STATUS(bank_id));
- val &= ~BIT(gpio);
- bcm_kona_gpio_write_lock_regs(kona_gpio->reg_base, bank_id, val);
+ val = readl(kona_gpio->reg_base + GPIO_PWD_STATUS(bank_id));
+ val &= ~BIT(bit);
+ bcm_kona_gpio_write_lock_regs(kona_gpio->reg_base, bank_id, val);
- raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
+ raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
+ }
+
+ ++bank->gpio_unlock_count[bit];
}
static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio)
@@ -360,6 +392,7 @@ static void bcm_kona_gpio_irq_mask(struct irq_data *d)
kona_gpio = irq_data_get_irq_chip_data(d);
reg_base = kona_gpio->reg_base;
+
raw_spin_lock_irqsave(&kona_gpio->lock, flags);
val = readl(reg_base + GPIO_INT_MASK(bank_id));
@@ -382,6 +415,7 @@ static void bcm_kona_gpio_irq_unmask(struct irq_data *d)
kona_gpio = irq_data_get_irq_chip_data(d);
reg_base = kona_gpio->reg_base;
+
raw_spin_lock_irqsave(&kona_gpio->lock, flags);
val = readl(reg_base + GPIO_INT_MSKCLR(bank_id));
@@ -477,15 +511,26 @@ static void bcm_kona_gpio_irq_handler(struct irq_desc *desc)
static int bcm_kona_gpio_irq_reqres(struct irq_data *d)
{
struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d);
+ unsigned int gpio = d->hwirq;
- return gpiochip_reqres_irq(&kona_gpio->gpio_chip, d->hwirq);
+ /*
+ * We need to unlock the GPIO before any other operations are performed
+ * on the relevant GPIO configuration registers
+ */
+ bcm_kona_gpio_unlock_gpio(kona_gpio, gpio);
+
+ return gpiochip_reqres_irq(&kona_gpio->gpio_chip, gpio);
}
static void bcm_kona_gpio_irq_relres(struct irq_data *d)
{
struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d);
+ unsigned int gpio = d->hwirq;
+
+ /* Once we no longer use it, lock the GPIO again */
+ bcm_kona_gpio_lock_gpio(kona_gpio, gpio);
- gpiochip_relres_irq(&kona_gpio->gpio_chip, d->hwirq);
+ gpiochip_relres_irq(&kona_gpio->gpio_chip, gpio);
}
static struct irq_chip bcm_gpio_irq_chip = {
@@ -614,7 +659,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
bank->irq = platform_get_irq(pdev, i);
bank->kona_gpio = kona_gpio;
if (bank->irq < 0) {
- dev_err(dev, "Couldn't get IRQ for bank %d", i);
+ dev_err(dev, "Couldn't get IRQ for bank %d\n", i);
ret = -ENOENT;
goto err_irq_domain;
}
diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 27cc4da53565..2731e97f2812 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -191,7 +191,7 @@ static void stmpe_gpio_irq_sync_unlock(struct irq_data *d)
[REG_IE][CSB] = STMPE_IDX_IEGPIOR_CSB,
[REG_IE][MSB] = STMPE_IDX_IEGPIOR_MSB,
};
- int i, j;
+ int ret, i, j;
/*
* STMPE1600: to be able to get IRQ from pins,
@@ -199,8 +199,16 @@ static void stmpe_gpio_irq_sync_unlock(struct irq_data *d)
* GPSR or GPCR registers
*/
if (stmpe->partnum == STMPE1600) {
- stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_LSB]);
- stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_CSB]);
+ ret = stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_LSB]);
+ if (ret < 0) {
+ dev_err(stmpe->dev, "Failed to read GPMR_LSB: %d\n", ret);
+ goto err;
+ }
+ ret = stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_CSB]);
+ if (ret < 0) {
+ dev_err(stmpe->dev, "Failed to read GPMR_CSB: %d\n", ret);
+ goto err;
+ }
}
for (i = 0; i < CACHE_NR_REGS; i++) {
@@ -222,6 +230,7 @@ static void stmpe_gpio_irq_sync_unlock(struct irq_data *d)
}
}
+err:
mutex_unlock(&stmpe_gpio->irq_lock);
}
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index b366b4ca4c40..8ddd5e8341a0 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1706,6 +1706,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = {
.ignore_wake = "PNP0C50:00@8",
},
},
+ {
+ /*
+ * Spurious wakeups from GPIO 11
+ * Found in BIOS 1.04
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/3954
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_FAMILY, "Acer Nitro V 14"),
+ },
+ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+ .ignore_interrupt = "AMDI0030:00@11",
+ },
+ },
{} /* Terminating entry */
};
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5c0016c77d2a..efb592b6f6aa 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -723,13 +723,13 @@ int gpiochip_get_ngpios(struct gpio_chip *gc, struct device *dev)
}
if (gc->ngpio == 0) {
- chip_err(gc, "tried to insert a GPIO chip with zero lines\n");
+ dev_err(dev, "tried to insert a GPIO chip with zero lines\n");
return -EINVAL;
}
if (gc->ngpio > FASTPATH_NGPIO)
- chip_warn(gc, "line cnt %u is greater than fast path cnt %u\n",
- gc->ngpio, FASTPATH_NGPIO);
+ dev_warn(dev, "line cnt %u is greater than fast path cnt %u\n",
+ gc->ngpio, FASTPATH_NGPIO);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index a4f9015345cc..6a24e8ceb944 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -3450,9 +3450,10 @@ int psp_init_cap_microcode(struct psp_context *psp, const char *chip_name)
if (err == -ENODEV) {
dev_warn(adev->dev, "cap microcode does not exist, skip\n");
err = 0;
- goto out;
+ } else {
+ dev_err(adev->dev, "fail to initialize cap microcode\n");
}
- dev_err(adev->dev, "fail to initialize cap microcode\n");
+ goto out;
}
info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CAP];
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index d587f807dfd7..294609557b73 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2026,6 +2026,7 @@ bool dcn20_fast_validate_bw(
{
bool out = false;
int split[MAX_PIPES] = { 0 };
+ bool merge[MAX_PIPES] = { false };
int pipe_cnt, i, pipe_idx, vlevel;
ASSERT(pipes);
@@ -2050,7 +2051,7 @@ bool dcn20_fast_validate_bw(
if (vlevel > context->bw_ctx.dml.soc.num_states)
goto validate_fail;
- vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, NULL);
+ vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge);
/*initialize pipe_just_split_from to invalid idx*/
for (i = 0; i < MAX_PIPES; i++)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
index 2dc4d2c1410b..8efe3f32a0e7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
@@ -1002,8 +1002,10 @@ static struct pipe_ctx *dcn201_acquire_free_pipe_for_layer(
struct pipe_ctx *head_pipe = resource_get_otg_master_for_stream(res_ctx, opp_head_pipe->stream);
struct pipe_ctx *idle_pipe = resource_find_free_secondary_pipe_legacy(res_ctx, pool, head_pipe);
- if (!head_pipe)
+ if (!head_pipe) {
ASSERT(0);
+ return NULL;
+ }
if (!idle_pipe)
return NULL;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index 8dffa5b6426e..24105a5b9f2a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -800,6 +800,7 @@ bool dcn21_fast_validate_bw(struct dc *dc,
{
bool out = false;
int split[MAX_PIPES] = { 0 };
+ bool merge[MAX_PIPES] = { false };
int pipe_cnt, i, pipe_idx, vlevel;
ASSERT(pipes);
@@ -842,7 +843,7 @@ bool dcn21_fast_validate_bw(struct dc *dc,
goto validate_fail;
}
- vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, NULL);
+ vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge);
for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 4d17b6958397..2997aeed6340 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -517,7 +517,8 @@ static int smu_sys_set_pp_table(void *handle,
return -EIO;
}
- if (!smu_table->hardcode_pptable) {
+ if (!smu_table->hardcode_pptable || smu_table->power_play_table_size < size) {
+ kfree(smu_table->hardcode_pptable);
smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
if (!smu_table->hardcode_pptable)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 5c397a2df70e..5d27e1c733c5 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -168,7 +168,7 @@ static int igt_ppgtt_alloc(void *arg)
return PTR_ERR(ppgtt);
if (!ppgtt->vm.allocate_va_range)
- goto err_ppgtt_cleanup;
+ goto ppgtt_vm_put;
/*
* While we only allocate the page tables here and so we could
@@ -236,7 +236,7 @@ static int igt_ppgtt_alloc(void *arg)
goto retry;
}
i915_gem_ww_ctx_fini(&ww);
-
+ppgtt_vm_put:
i915_vm_put(&ppgtt->vm);
return err;
}
diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c
index 2dba7c5ffd2c..92f4261305bd 100644
--- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c
+++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c
@@ -587,7 +587,7 @@ static int rcar_mipi_dsi_startup(struct rcar_mipi_dsi *dsi,
for (timeout = 10; timeout > 0; --timeout) {
if ((rcar_mipi_dsi_read(dsi, PPICLSR) & PPICLSR_STPST) &&
(rcar_mipi_dsi_read(dsi, PPIDLSR) & PPIDLSR_STPST) &&
- (rcar_mipi_dsi_read(dsi, CLOCKSET1) & CLOCKSET1_LOCK))
+ (rcar_mipi_dsi_read(dsi, CLOCKSET1) & CLOCKSET1_LOCK_PHY))
break;
usleep_range(1000, 2000);
diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h
index f8114d11f2d1..a6b276f1d6ee 100644
--- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h
+++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h
@@ -142,7 +142,6 @@
#define CLOCKSET1 0x101c
#define CLOCKSET1_LOCK_PHY (1 << 17)
-#define CLOCKSET1_LOCK (1 << 16)
#define CLOCKSET1_CLKSEL (1 << 8)
#define CLOCKSET1_CLKINSEL_EXTAL (0 << 2)
#define CLOCKSET1_CLKINSEL_DIG (1 << 2)
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index 98efbaf3b0c2..ee3531bbccd7 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -646,7 +646,7 @@ void dispc_k2g_set_irqenable(struct dispc_device *dispc, dispc_irq_t mask)
{
dispc_irq_t old_mask = dispc_k2g_read_irqenable(dispc);
- /* clear the irqstatus for newly enabled irqs */
+ /* clear the irqstatus for irqs that will be enabled */
dispc_k2g_clear_irqstatus(dispc, (mask ^ old_mask) & mask);
dispc_k2g_vp_set_irqenable(dispc, 0, mask);
@@ -654,6 +654,9 @@ void dispc_k2g_set_irqenable(struct dispc_device *dispc, dispc_irq_t mask)
dispc_write(dispc, DISPC_IRQENABLE_SET, (1 << 0) | (1 << 7));
+ /* clear the irqstatus for irqs that were disabled */
+ dispc_k2g_clear_irqstatus(dispc, (mask ^ old_mask) & old_mask);
+
/* flush posted write */
dispc_k2g_read_irqenable(dispc);
}
@@ -726,24 +729,20 @@ static
void dispc_k3_clear_irqstatus(struct dispc_device *dispc, dispc_irq_t clearmask)
{
unsigned int i;
- u32 top_clear = 0;
for (i = 0; i < dispc->feat->num_vps; ++i) {
- if (clearmask & DSS_IRQ_VP_MASK(i)) {
+ if (clearmask & DSS_IRQ_VP_MASK(i))
dispc_k3_vp_write_irqstatus(dispc, i, clearmask);
- top_clear |= BIT(i);
- }
}
for (i = 0; i < dispc->feat->num_planes; ++i) {
- if (clearmask & DSS_IRQ_PLANE_MASK(i)) {
+ if (clearmask & DSS_IRQ_PLANE_MASK(i))
dispc_k3_vid_write_irqstatus(dispc, i, clearmask);
- top_clear |= BIT(4 + i);
- }
}
if (dispc->feat->subrev == DISPC_K2G)
return;
- dispc_write(dispc, DISPC_IRQSTATUS, top_clear);
+ /* always clear the top level irqstatus */
+ dispc_write(dispc, DISPC_IRQSTATUS, dispc_read(dispc, DISPC_IRQSTATUS));
/* Flush posted writes */
dispc_read(dispc, DISPC_IRQSTATUS);
@@ -789,7 +788,7 @@ static void dispc_k3_set_irqenable(struct dispc_device *dispc,
old_mask = dispc_k3_read_irqenable(dispc);
- /* clear the irqstatus for newly enabled irqs */
+ /* clear the irqstatus for irqs that will be enabled */
dispc_k3_clear_irqstatus(dispc, (old_mask ^ mask) & mask);
for (i = 0; i < dispc->feat->num_vps; ++i) {
@@ -814,6 +813,9 @@ static void dispc_k3_set_irqenable(struct dispc_device *dispc,
if (main_disable)
dispc_write(dispc, DISPC_IRQENABLE_CLR, main_disable);
+ /* clear the irqstatus for irqs that were disabled */
+ dispc_k3_clear_irqstatus(dispc, (old_mask ^ mask) & old_mask);
+
/* Flush posted writes */
dispc_read(dispc, DISPC_IRQENABLE_SET);
}
diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c
index 141b8abf0862..e56b5935f2f1 100644
--- a/drivers/gpu/drm/v3d/v3d_perfmon.c
+++ b/drivers/gpu/drm/v3d/v3d_perfmon.c
@@ -179,6 +179,7 @@ int v3d_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
{
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct drm_v3d_perfmon_destroy *req = data;
+ struct v3d_dev *v3d = v3d_priv->v3d;
struct v3d_perfmon *perfmon;
mutex_lock(&v3d_priv->perfmon.lock);
@@ -188,6 +189,10 @@ int v3d_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
if (!perfmon)
return -EINVAL;
+ /* If the active perfmon is being destroyed, stop it first */
+ if (perfmon == v3d->active_perfmon)
+ v3d_perfmon_stop(v3d, perfmon, false);
+
v3d_perfmon_put(perfmon);
return 0;
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 5ad871a7d1a4..6386043aab0b 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1668,9 +1668,12 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
break;
}
- if (suffix)
+ if (suffix) {
hi->input->name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
"%s %s", hdev->name, suffix);
+ if (!hi->input->name)
+ return -ENOMEM;
+ }
return 0;
}
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c
index b110818fc945..49c067133975 100644
--- a/drivers/hid/hid-steam.c
+++ b/drivers/hid/hid-steam.c
@@ -66,55 +66,225 @@ static LIST_HEAD(steam_devices);
#define STEAM_DECK_TRIGGER_RESOLUTION 5461
/* Joystick runs are about 5 mm and 32768 units */
#define STEAM_DECK_JOYSTICK_RESOLUTION 6553
+/* Accelerometer has 16 bit resolution and a range of +/- 2g */
+#define STEAM_DECK_ACCEL_RES_PER_G 16384
+#define STEAM_DECK_ACCEL_RANGE 32768
+#define STEAM_DECK_ACCEL_FUZZ 32
+/* Gyroscope has 16 bit resolution and a range of +/- 2000 dps */
+#define STEAM_DECK_GYRO_RES_PER_DPS 16
+#define STEAM_DECK_GYRO_RANGE 32768
+#define STEAM_DECK_GYRO_FUZZ 1
#define STEAM_PAD_FUZZ 256
/*
* Commands that can be sent in a feature report.
- * Thanks to Valve for some valuable hints.
+ * Thanks to Valve and SDL for the names.
*/
-#define STEAM_CMD_SET_MAPPINGS 0x80
-#define STEAM_CMD_CLEAR_MAPPINGS 0x81
-#define STEAM_CMD_GET_MAPPINGS 0x82
-#define STEAM_CMD_GET_ATTRIB 0x83
-#define STEAM_CMD_GET_ATTRIB_LABEL 0x84
-#define STEAM_CMD_DEFAULT_MAPPINGS 0x85
-#define STEAM_CMD_FACTORY_RESET 0x86
-#define STEAM_CMD_WRITE_REGISTER 0x87
-#define STEAM_CMD_CLEAR_REGISTER 0x88
-#define STEAM_CMD_READ_REGISTER 0x89
-#define STEAM_CMD_GET_REGISTER_LABEL 0x8a
-#define STEAM_CMD_GET_REGISTER_MAX 0x8b
-#define STEAM_CMD_GET_REGISTER_DEFAULT 0x8c
-#define STEAM_CMD_SET_MODE 0x8d
-#define STEAM_CMD_DEFAULT_MOUSE 0x8e
-#define STEAM_CMD_FORCEFEEDBAK 0x8f
-#define STEAM_CMD_REQUEST_COMM_STATUS 0xb4
-#define STEAM_CMD_GET_SERIAL 0xae
-#define STEAM_CMD_HAPTIC_RUMBLE 0xeb
-
-/* Some useful register ids */
-#define STEAM_REG_LPAD_MODE 0x07
-#define STEAM_REG_RPAD_MODE 0x08
-#define STEAM_REG_RPAD_MARGIN 0x18
-#define STEAM_REG_LED 0x2d
-#define STEAM_REG_GYRO_MODE 0x30
-#define STEAM_REG_LPAD_CLICK_PRESSURE 0x34
-#define STEAM_REG_RPAD_CLICK_PRESSURE 0x35
-
-/* Raw event identifiers */
-#define STEAM_EV_INPUT_DATA 0x01
-#define STEAM_EV_CONNECT 0x03
-#define STEAM_EV_BATTERY 0x04
-#define STEAM_EV_DECK_INPUT_DATA 0x09
+enum {
+ ID_SET_DIGITAL_MAPPINGS = 0x80,
+ ID_CLEAR_DIGITAL_MAPPINGS = 0x81,
+ ID_GET_DIGITAL_MAPPINGS = 0x82,
+ ID_GET_ATTRIBUTES_VALUES = 0x83,
+ ID_GET_ATTRIBUTE_LABEL = 0x84,
+ ID_SET_DEFAULT_DIGITAL_MAPPINGS = 0x85,
+ ID_FACTORY_RESET = 0x86,
+ ID_SET_SETTINGS_VALUES = 0x87,
+ ID_CLEAR_SETTINGS_VALUES = 0x88,
+ ID_GET_SETTINGS_VALUES = 0x89,
+ ID_GET_SETTING_LABEL = 0x8A,
+ ID_GET_SETTINGS_MAXS = 0x8B,
+ ID_GET_SETTINGS_DEFAULTS = 0x8C,
+ ID_SET_CONTROLLER_MODE = 0x8D,
+ ID_LOAD_DEFAULT_SETTINGS = 0x8E,
+ ID_TRIGGER_HAPTIC_PULSE = 0x8F,
+ ID_TURN_OFF_CONTROLLER = 0x9F,
+
+ ID_GET_DEVICE_INFO = 0xA1,
+
+ ID_CALIBRATE_TRACKPADS = 0xA7,
+ ID_RESERVED_0 = 0xA8,
+ ID_SET_SERIAL_NUMBER = 0xA9,
+ ID_GET_TRACKPAD_CALIBRATION = 0xAA,
+ ID_GET_TRACKPAD_FACTORY_CALIBRATION = 0xAB,
+ ID_GET_TRACKPAD_RAW_DATA = 0xAC,
+ ID_ENABLE_PAIRING = 0xAD,
+ ID_GET_STRING_ATTRIBUTE = 0xAE,
+ ID_RADIO_ERASE_RECORDS = 0xAF,
+ ID_RADIO_WRITE_RECORD = 0xB0,
+ ID_SET_DONGLE_SETTING = 0xB1,
+ ID_DONGLE_DISCONNECT_DEVICE = 0xB2,
+ ID_DONGLE_COMMIT_DEVICE = 0xB3,
+ ID_DONGLE_GET_WIRELESS_STATE = 0xB4,
+ ID_CALIBRATE_GYRO = 0xB5,
+ ID_PLAY_AUDIO = 0xB6,
+ ID_AUDIO_UPDATE_START = 0xB7,
+ ID_AUDIO_UPDATE_DATA = 0xB8,
+ ID_AUDIO_UPDATE_COMPLETE = 0xB9,
+ ID_GET_CHIPID = 0xBA,
+
+ ID_CALIBRATE_JOYSTICK = 0xBF,
+ ID_CALIBRATE_ANALOG_TRIGGERS = 0xC0,
+ ID_SET_AUDIO_MAPPING = 0xC1,
+ ID_CHECK_GYRO_FW_LOAD = 0xC2,
+ ID_CALIBRATE_ANALOG = 0xC3,
+ ID_DONGLE_GET_CONNECTED_SLOTS = 0xC4,
+
+ ID_RESET_IMU = 0xCE,
+
+ ID_TRIGGER_HAPTIC_CMD = 0xEA,
+ ID_TRIGGER_RUMBLE_CMD = 0xEB,
+};
+
+/* Settings IDs */
+enum {
+ /* 0 */
+ SETTING_MOUSE_SENSITIVITY,
+ SETTING_MOUSE_ACCELERATION,
+ SETTING_TRACKBALL_ROTATION_ANGLE,
+ SETTING_HAPTIC_INTENSITY_UNUSED,
+ SETTING_LEFT_GAMEPAD_STICK_ENABLED,
+ SETTING_RIGHT_GAMEPAD_STICK_ENABLED,
+ SETTING_USB_DEBUG_MODE,
+ SETTING_LEFT_TRACKPAD_MODE,
+ SETTING_RIGHT_TRACKPAD_MODE,
+ SETTING_MOUSE_POINTER_ENABLED,
+
+ /* 10 */
+ SETTING_DPAD_DEADZONE,
+ SETTING_MINIMUM_MOMENTUM_VEL,
+ SETTING_MOMENTUM_DECAY_AMMOUNT,
+ SETTING_TRACKPAD_RELATIVE_MODE_TICKS_PER_PIXEL,
+ SETTING_HAPTIC_INCREMENT,
+ SETTING_DPAD_ANGLE_SIN,
+ SETTING_DPAD_ANGLE_COS,
+ SETTING_MOMENTUM_VERTICAL_DIVISOR,
+ SETTING_MOMENTUM_MAXIMUM_VELOCITY,
+ SETTING_TRACKPAD_Z_ON,
+
+ /* 20 */
+ SETTING_TRACKPAD_Z_OFF,
+ SETTING_SENSITIVY_SCALE_AMMOUNT,
+ SETTING_LEFT_TRACKPAD_SECONDARY_MODE,
+ SETTING_RIGHT_TRACKPAD_SECONDARY_MODE,
+ SETTING_SMOOTH_ABSOLUTE_MOUSE,
+ SETTING_STEAMBUTTON_POWEROFF_TIME,
+ SETTING_UNUSED_1,
+ SETTING_TRACKPAD_OUTER_RADIUS,
+ SETTING_TRACKPAD_Z_ON_LEFT,
+ SETTING_TRACKPAD_Z_OFF_LEFT,
+
+ /* 30 */
+ SETTING_TRACKPAD_OUTER_SPIN_VEL,
+ SETTING_TRACKPAD_OUTER_SPIN_RADIUS,
+ SETTING_TRACKPAD_OUTER_SPIN_HORIZONTAL_ONLY,
+ SETTING_TRACKPAD_RELATIVE_MODE_DEADZONE,
+ SETTING_TRACKPAD_RELATIVE_MODE_MAX_VEL,
+ SETTING_TRACKPAD_RELATIVE_MODE_INVERT_Y,
+ SETTING_TRACKPAD_DOUBLE_TAP_BEEP_ENABLED,
+ SETTING_TRACKPAD_DOUBLE_TAP_BEEP_PERIOD,
+ SETTING_TRACKPAD_DOUBLE_TAP_BEEP_COUNT,
+ SETTING_TRACKPAD_OUTER_RADIUS_RELEASE_ON_TRANSITION,
+
+ /* 40 */
+ SETTING_RADIAL_MODE_ANGLE,
+ SETTING_HAPTIC_INTENSITY_MOUSE_MODE,
+ SETTING_LEFT_DPAD_REQUIRES_CLICK,
+ SETTING_RIGHT_DPAD_REQUIRES_CLICK,
+ SETTING_LED_BASELINE_BRIGHTNESS,
+ SETTING_LED_USER_BRIGHTNESS,
+ SETTING_ENABLE_RAW_JOYSTICK,
+ SETTING_ENABLE_FAST_SCAN,
+ SETTING_IMU_MODE,
+ SETTING_WIRELESS_PACKET_VERSION,
+
+ /* 50 */
+ SETTING_SLEEP_INACTIVITY_TIMEOUT,
+ SETTING_TRACKPAD_NOISE_THRESHOLD,
+ SETTING_LEFT_TRACKPAD_CLICK_PRESSURE,
+ SETTING_RIGHT_TRACKPAD_CLICK_PRESSURE,
+ SETTING_LEFT_BUMPER_CLICK_PRESSURE,
+ SETTING_RIGHT_BUMPER_CLICK_PRESSURE,
+ SETTING_LEFT_GRIP_CLICK_PRESSURE,
+ SETTING_RIGHT_GRIP_CLICK_PRESSURE,
+ SETTING_LEFT_GRIP2_CLICK_PRESSURE,
+ SETTING_RIGHT_GRIP2_CLICK_PRESSURE,
+
+ /* 60 */
+ SETTING_PRESSURE_MODE,
+ SETTING_CONTROLLER_TEST_MODE,
+ SETTING_TRIGGER_MODE,
+ SETTING_TRACKPAD_Z_THRESHOLD,
+ SETTING_FRAME_RATE,
+ SETTING_TRACKPAD_FILT_CTRL,
+ SETTING_TRACKPAD_CLIP,
+ SETTING_DEBUG_OUTPUT_SELECT,
+ SETTING_TRIGGER_THRESHOLD_PERCENT,
+ SETTING_TRACKPAD_FREQUENCY_HOPPING,
+
+ /* 70 */
+ SETTING_HAPTICS_ENABLED,
+ SETTING_STEAM_WATCHDOG_ENABLE,
+ SETTING_TIMP_TOUCH_THRESHOLD_ON,
+ SETTING_TIMP_TOUCH_THRESHOLD_OFF,
+ SETTING_FREQ_HOPPING,
+ SETTING_TEST_CONTROL,
+ SETTING_HAPTIC_MASTER_GAIN_DB,
+ SETTING_THUMB_TOUCH_THRESH,
+ SETTING_DEVICE_POWER_STATUS,
+ SETTING_HAPTIC_INTENSITY,
+
+ /* 80 */
+ SETTING_STABILIZER_ENABLED,
+ SETTING_TIMP_MODE_MTE,
+};
+
+/* Input report identifiers */
+enum
+{
+ ID_CONTROLLER_STATE = 1,
+ ID_CONTROLLER_DEBUG = 2,
+ ID_CONTROLLER_WIRELESS = 3,
+ ID_CONTROLLER_STATUS = 4,
+ ID_CONTROLLER_DEBUG2 = 5,
+ ID_CONTROLLER_SECONDARY_STATE = 6,
+ ID_CONTROLLER_BLE_STATE = 7,
+ ID_CONTROLLER_DECK_STATE = 9
+};
+
+/* String attribute idenitifiers */
+enum {
+ ATTRIB_STR_BOARD_SERIAL,
+ ATTRIB_STR_UNIT_SERIAL,
+};
/* Values for GYRO_MODE (bitmask) */
-#define STEAM_GYRO_MODE_OFF 0x0000
-#define STEAM_GYRO_MODE_STEERING 0x0001
-#define STEAM_GYRO_MODE_TILT 0x0002
-#define STEAM_GYRO_MODE_SEND_ORIENTATION 0x0004
-#define STEAM_GYRO_MODE_SEND_RAW_ACCEL 0x0008
-#define STEAM_GYRO_MODE_SEND_RAW_GYRO 0x0010
+enum {
+ SETTING_GYRO_MODE_OFF = 0,
+ SETTING_GYRO_MODE_STEERING = BIT(0),
+ SETTING_GYRO_MODE_TILT = BIT(1),
+ SETTING_GYRO_MODE_SEND_ORIENTATION = BIT(2),
+ SETTING_GYRO_MODE_SEND_RAW_ACCEL = BIT(3),
+ SETTING_GYRO_MODE_SEND_RAW_GYRO = BIT(4),
+};
+
+/* Trackpad modes */
+enum {
+ TRACKPAD_ABSOLUTE_MOUSE,
+ TRACKPAD_RELATIVE_MOUSE,
+ TRACKPAD_DPAD_FOUR_WAY_DISCRETE,
+ TRACKPAD_DPAD_FOUR_WAY_OVERLAP,
+ TRACKPAD_DPAD_EIGHT_WAY,
+ TRACKPAD_RADIAL_MODE,
+ TRACKPAD_ABSOLUTE_DPAD,
+ TRACKPAD_NONE,
+ TRACKPAD_GESTURE_KEYBOARD,
+};
+
+/* Pad identifiers for the deck */
+#define STEAM_PAD_LEFT 0
+#define STEAM_PAD_RIGHT 1
+#define STEAM_PAD_BOTH 2
/* Other random constants */
#define STEAM_SERIAL_LEN 10
@@ -123,9 +293,10 @@ struct steam_device {
struct list_head list;
spinlock_t lock;
struct hid_device *hdev, *client_hdev;
- struct mutex mutex;
+ struct mutex report_mutex;
bool client_opened;
struct input_dev __rcu *input;
+ struct input_dev __rcu *sensors;
unsigned long quirks;
struct work_struct work_connect;
bool connected;
@@ -134,10 +305,14 @@ struct steam_device {
struct power_supply __rcu *battery;
u8 battery_charge;
u16 voltage;
- struct delayed_work heartbeat;
+ struct delayed_work mode_switch;
+ bool did_mode_switch;
+ bool gamepad_mode;
struct work_struct rumble_work;
u16 rumble_left;
u16 rumble_right;
+ unsigned int sensor_timestamp_us;
+ struct work_struct unregister_work;
};
static int steam_recv_report(struct steam_device *steam,
@@ -226,13 +401,13 @@ static inline int steam_send_report_byte(struct steam_device *steam, u8 cmd)
return steam_send_report(steam, &cmd, 1);
}
-static int steam_write_registers(struct steam_device *steam,
+static int steam_write_settings(struct steam_device *steam,
/* u8 reg, u16 val */...)
{
/* Send: 0x87 len (reg valLo valHi)* */
u8 reg;
u16 val;
- u8 cmd[64] = {STEAM_CMD_WRITE_REGISTER, 0x00};
+ u8 cmd[64] = {ID_SET_SETTINGS_VALUES, 0x00};
int ret;
va_list args;
@@ -267,21 +442,26 @@ static int steam_get_serial(struct steam_device *steam)
* Send: 0xae 0x15 0x01
* Recv: 0xae 0x15 0x01 serialnumber (10 chars)
*/
- int ret;
- u8 cmd[] = {STEAM_CMD_GET_SERIAL, 0x15, 0x01};
+ int ret = 0;
+ u8 cmd[] = {ID_GET_STRING_ATTRIBUTE, 0x15, ATTRIB_STR_UNIT_SERIAL};
u8 reply[3 + STEAM_SERIAL_LEN + 1];
+ mutex_lock(&steam->report_mutex);
ret = steam_send_report(steam, cmd, sizeof(cmd));
if (ret < 0)
- return ret;
+ goto out;
ret = steam_recv_report(steam, reply, sizeof(reply));
if (ret < 0)
- return ret;
- if (reply[0] != 0xae || reply[1] != 0x15 || reply[2] != 0x01)
- return -EIO;
+ goto out;
+ if (reply[0] != ID_GET_STRING_ATTRIBUTE || reply[1] != 0x15 || reply[2] != ATTRIB_STR_UNIT_SERIAL) {
+ ret = -EIO;
+ goto out;
+ }
reply[3 + STEAM_SERIAL_LEN] = 0;
strscpy(steam->serial_no, reply + 3, sizeof(steam->serial_no));
- return 0;
+out:
+ mutex_unlock(&steam->report_mutex);
+ return ret;
}
/*
@@ -291,14 +471,50 @@ static int steam_get_serial(struct steam_device *steam)
*/
static inline int steam_request_conn_status(struct steam_device *steam)
{
- return steam_send_report_byte(steam, STEAM_CMD_REQUEST_COMM_STATUS);
+ int ret;
+ mutex_lock(&steam->report_mutex);
+ ret = steam_send_report_byte(steam, ID_DONGLE_GET_WIRELESS_STATE);
+ mutex_unlock(&steam->report_mutex);
+ return ret;
+}
+
+/*
+ * Send a haptic pulse to the trackpads
+ * Duration and interval are measured in microseconds, count is the number
+ * of pulses to send for duration time with interval microseconds between them
+ * and gain is measured in decibels, ranging from -24 to +6
+ */
+static inline int steam_haptic_pulse(struct steam_device *steam, u8 pad,
+ u16 duration, u16 interval, u16 count, u8 gain)
+{
+ int ret;
+ u8 report[10] = {ID_TRIGGER_HAPTIC_PULSE, 8};
+
+ /* Left and right are swapped on this report for legacy reasons */
+ if (pad < STEAM_PAD_BOTH)
+ pad ^= 1;
+
+ report[2] = pad;
+ report[3] = duration & 0xFF;
+ report[4] = duration >> 8;
+ report[5] = interval & 0xFF;
+ report[6] = interval >> 8;
+ report[7] = count & 0xFF;
+ report[8] = count >> 8;
+ report[9] = gain;
+
+ mutex_lock(&steam->report_mutex);
+ ret = steam_send_report(steam, report, sizeof(report));
+ mutex_unlock(&steam->report_mutex);
+ return ret;
}
static inline int steam_haptic_rumble(struct steam_device *steam,
u16 intensity, u16 left_speed, u16 right_speed,
u8 left_gain, u8 right_gain)
{
- u8 report[11] = {STEAM_CMD_HAPTIC_RUMBLE, 9};
+ int ret;
+ u8 report[11] = {ID_TRIGGER_RUMBLE_CMD, 9};
report[3] = intensity & 0xFF;
report[4] = intensity >> 8;
@@ -309,7 +525,10 @@ static inline int steam_haptic_rumble(struct steam_device *steam,
report[9] = left_gain;
report[10] = right_gain;
- return steam_send_report(steam, report, sizeof(report));
+ mutex_lock(&steam->report_mutex);
+ ret = steam_send_report(steam, report, sizeof(report));
+ mutex_unlock(&steam->report_mutex);
+ return ret;
}
static void steam_haptic_rumble_cb(struct work_struct *work)
@@ -335,40 +554,36 @@ static int steam_play_effect(struct input_dev *dev, void *data,
static void steam_set_lizard_mode(struct steam_device *steam, bool enable)
{
+ if (steam->gamepad_mode)
+ enable = false;
+
if (enable) {
+ mutex_lock(&steam->report_mutex);
/* enable esc, enter, cursors */
- steam_send_report_byte(steam, STEAM_CMD_DEFAULT_MAPPINGS);
- /* enable mouse */
- steam_send_report_byte(steam, STEAM_CMD_DEFAULT_MOUSE);
- steam_write_registers(steam,
- STEAM_REG_RPAD_MARGIN, 0x01, /* enable margin */
- 0);
-
- cancel_delayed_work_sync(&steam->heartbeat);
+ steam_send_report_byte(steam, ID_SET_DEFAULT_DIGITAL_MAPPINGS);
+ /* reset settings */
+ steam_send_report_byte(steam, ID_LOAD_DEFAULT_SETTINGS);
+ mutex_unlock(&steam->report_mutex);
} else {
+ mutex_lock(&steam->report_mutex);
/* disable esc, enter, cursor */
- steam_send_report_byte(steam, STEAM_CMD_CLEAR_MAPPINGS);
+ steam_send_report_byte(steam, ID_CLEAR_DIGITAL_MAPPINGS);
if (steam->quirks & STEAM_QUIRK_DECK) {
- steam_write_registers(steam,
- STEAM_REG_RPAD_MARGIN, 0x00, /* disable margin */
- STEAM_REG_LPAD_MODE, 0x07, /* disable mouse */
- STEAM_REG_RPAD_MODE, 0x07, /* disable mouse */
- STEAM_REG_LPAD_CLICK_PRESSURE, 0xFFFF, /* disable clicky pad */
- STEAM_REG_RPAD_CLICK_PRESSURE, 0xFFFF, /* disable clicky pad */
+ steam_write_settings(steam,
+ SETTING_LEFT_TRACKPAD_MODE, TRACKPAD_NONE, /* disable mouse */
+ SETTING_RIGHT_TRACKPAD_MODE, TRACKPAD_NONE, /* disable mouse */
+ SETTING_LEFT_TRACKPAD_CLICK_PRESSURE, 0xFFFF, /* disable haptic click */
+ SETTING_RIGHT_TRACKPAD_CLICK_PRESSURE, 0xFFFF, /* disable haptic click */
+ SETTING_STEAM_WATCHDOG_ENABLE, 0, /* disable watchdog that tests if Steam is active */
0);
- /*
- * The Steam Deck has a watchdog that automatically enables
- * lizard mode if it doesn't see any traffic for too long
- */
- if (!work_busy(&steam->heartbeat.work))
- schedule_delayed_work(&steam->heartbeat, 5 * HZ);
+ mutex_unlock(&steam->report_mutex);
} else {
- steam_write_registers(steam,
- STEAM_REG_RPAD_MARGIN, 0x00, /* disable margin */
- STEAM_REG_LPAD_MODE, 0x07, /* disable mouse */
- STEAM_REG_RPAD_MODE, 0x07, /* disable mouse */
+ steam_write_settings(steam,
+ SETTING_LEFT_TRACKPAD_MODE, TRACKPAD_NONE, /* disable mouse */
+ SETTING_RIGHT_TRACKPAD_MODE, TRACKPAD_NONE, /* disable mouse */
0);
+ mutex_unlock(&steam->report_mutex);
}
}
}
@@ -376,22 +591,38 @@ static void steam_set_lizard_mode(struct steam_device *steam, bool enable)
static int steam_input_open(struct input_dev *dev)
{
struct steam_device *steam = input_get_drvdata(dev);
+ unsigned long flags;
+ bool set_lizard_mode;
+
+ /*
+ * Disabling lizard mode automatically is only done on the Steam
+ * Controller. On the Steam Deck, this is toggled manually by holding
+ * the options button instead, handled by steam_mode_switch_cb.
+ */
+ if (!(steam->quirks & STEAM_QUIRK_DECK)) {
+ spin_lock_irqsave(&steam->lock, flags);
+ set_lizard_mode = !steam->client_opened && lizard_mode;
+ spin_unlock_irqrestore(&steam->lock, flags);
+ if (set_lizard_mode)
+ steam_set_lizard_mode(steam, false);
+ }
- mutex_lock(&steam->mutex);
- if (!steam->client_opened && lizard_mode)
- steam_set_lizard_mode(steam, false);
- mutex_unlock(&steam->mutex);
return 0;
}
static void steam_input_close(struct input_dev *dev)
{
struct steam_device *steam = input_get_drvdata(dev);
+ unsigned long flags;
+ bool set_lizard_mode;
- mutex_lock(&steam->mutex);
- if (!steam->client_opened && lizard_mode)
- steam_set_lizard_mode(steam, true);
- mutex_unlock(&steam->mutex);
+ if (!(steam->quirks & STEAM_QUIRK_DECK)) {
+ spin_lock_irqsave(&steam->lock, flags);
+ set_lizard_mode = !steam->client_opened && lizard_mode;
+ spin_unlock_irqrestore(&steam->lock, flags);
+ if (set_lizard_mode)
+ steam_set_lizard_mode(steam, true);
+ }
}
static enum power_supply_property steam_battery_props[] = {
@@ -604,6 +835,74 @@ static int steam_input_register(struct steam_device *steam)
return ret;
}
+static int steam_sensors_register(struct steam_device *steam)
+{
+ struct hid_device *hdev = steam->hdev;
+ struct input_dev *sensors;
+ int ret;
+
+ if (!(steam->quirks & STEAM_QUIRK_DECK))
+ return 0;
+
+ rcu_read_lock();
+ sensors = rcu_dereference(steam->sensors);
+ rcu_read_unlock();
+ if (sensors) {
+ dbg_hid("%s: already connected\n", __func__);
+ return 0;
+ }
+
+ sensors = input_allocate_device();
+ if (!sensors)
+ return -ENOMEM;
+
+ input_set_drvdata(sensors, steam);
+ sensors->dev.parent = &hdev->dev;
+
+ sensors->name = "Steam Deck Motion Sensors";
+ sensors->phys = hdev->phys;
+ sensors->uniq = steam->serial_no;
+ sensors->id.bustype = hdev->bus;
+ sensors->id.vendor = hdev->vendor;
+ sensors->id.product = hdev->product;
+ sensors->id.version = hdev->version;
+
+ __set_bit(INPUT_PROP_ACCELEROMETER, sensors->propbit);
+ __set_bit(EV_MSC, sensors->evbit);
+ __set_bit(MSC_TIMESTAMP, sensors->mscbit);
+
+ input_set_abs_params(sensors, ABS_X, -STEAM_DECK_ACCEL_RANGE,
+ STEAM_DECK_ACCEL_RANGE, STEAM_DECK_ACCEL_FUZZ, 0);
+ input_set_abs_params(sensors, ABS_Y, -STEAM_DECK_ACCEL_RANGE,
+ STEAM_DECK_ACCEL_RANGE, STEAM_DECK_ACCEL_FUZZ, 0);
+ input_set_abs_params(sensors, ABS_Z, -STEAM_DECK_ACCEL_RANGE,
+ STEAM_DECK_ACCEL_RANGE, STEAM_DECK_ACCEL_FUZZ, 0);
+ input_abs_set_res(sensors, ABS_X, STEAM_DECK_ACCEL_RES_PER_G);
+ input_abs_set_res(sensors, ABS_Y, STEAM_DECK_ACCEL_RES_PER_G);
+ input_abs_set_res(sensors, ABS_Z, STEAM_DECK_ACCEL_RES_PER_G);
+
+ input_set_abs_params(sensors, ABS_RX, -STEAM_DECK_GYRO_RANGE,
+ STEAM_DECK_GYRO_RANGE, STEAM_DECK_GYRO_FUZZ, 0);
+ input_set_abs_params(sensors, ABS_RY, -STEAM_DECK_GYRO_RANGE,
+ STEAM_DECK_GYRO_RANGE, STEAM_DECK_GYRO_FUZZ, 0);
+ input_set_abs_params(sensors, ABS_RZ, -STEAM_DECK_GYRO_RANGE,
+ STEAM_DECK_GYRO_RANGE, STEAM_DECK_GYRO_FUZZ, 0);
+ input_abs_set_res(sensors, ABS_RX, STEAM_DECK_GYRO_RES_PER_DPS);
+ input_abs_set_res(sensors, ABS_RY, STEAM_DECK_GYRO_RES_PER_DPS);
+ input_abs_set_res(sensors, ABS_RZ, STEAM_DECK_GYRO_RES_PER_DPS);
+
+ ret = input_register_device(sensors);
+ if (ret)
+ goto sensors_register_fail;
+
+ rcu_assign_pointer(steam->sensors, sensors);
+ return 0;
+
+sensors_register_fail:
+ input_free_device(sensors);
+ return ret;
+}
+
static void steam_input_unregister(struct steam_device *steam)
{
struct input_dev *input;
@@ -617,6 +916,24 @@ static void steam_input_unregister(struct steam_device *steam)
input_unregister_device(input);
}
+static void steam_sensors_unregister(struct steam_device *steam)
+{
+ struct input_dev *sensors;
+
+ if (!(steam->quirks & STEAM_QUIRK_DECK))
+ return;
+
+ rcu_read_lock();
+ sensors = rcu_dereference(steam->sensors);
+ rcu_read_unlock();
+
+ if (!sensors)
+ return;
+ RCU_INIT_POINTER(steam->sensors, NULL);
+ synchronize_rcu();
+ input_unregister_device(sensors);
+}
+
static void steam_battery_unregister(struct steam_device *steam)
{
struct power_supply *battery;
@@ -636,6 +953,7 @@ static int steam_register(struct steam_device *steam)
{
int ret;
bool client_opened;
+ unsigned long flags;
/*
* This function can be called several times in a row with the
@@ -648,11 +966,9 @@ static int steam_register(struct steam_device *steam)
* Unlikely, but getting the serial could fail, and it is not so
* important, so make up a serial number and go on.
*/
- mutex_lock(&steam->mutex);
if (steam_get_serial(steam) < 0)
strscpy(steam->serial_no, "XXXXXXXXXX",
sizeof(steam->serial_no));
- mutex_unlock(&steam->mutex);
hid_info(steam->hdev, "Steam Controller '%s' connected",
steam->serial_no);
@@ -667,23 +983,31 @@ static int steam_register(struct steam_device *steam)
mutex_unlock(&steam_devices_lock);
}
- mutex_lock(&steam->mutex);
+ spin_lock_irqsave(&steam->lock, flags);
client_opened = steam->client_opened;
- if (!client_opened)
- steam_set_lizard_mode(steam, lizard_mode);
- mutex_unlock(&steam->mutex);
+ spin_unlock_irqrestore(&steam->lock, flags);
- if (!client_opened)
+ if (!client_opened) {
+ steam_set_lizard_mode(steam, lizard_mode);
ret = steam_input_register(steam);
- else
- ret = 0;
+ if (ret != 0)
+ goto steam_register_input_fail;
+ ret = steam_sensors_register(steam);
+ if (ret != 0)
+ goto steam_register_sensors_fail;
+ }
+ return 0;
+steam_register_sensors_fail:
+ steam_input_unregister(steam);
+steam_register_input_fail:
return ret;
}
static void steam_unregister(struct steam_device *steam)
{
steam_battery_unregister(steam);
+ steam_sensors_unregister(steam);
steam_input_unregister(steam);
if (steam->serial_no[0]) {
hid_info(steam->hdev, "Steam Controller '%s' disconnected",
@@ -719,6 +1043,59 @@ static void steam_work_connect_cb(struct work_struct *work)
}
}
+static void steam_mode_switch_cb(struct work_struct *work)
+{
+ struct steam_device *steam = container_of(to_delayed_work(work),
+ struct steam_device, mode_switch);
+ unsigned long flags;
+ bool client_opened;
+ steam->gamepad_mode = !steam->gamepad_mode;
+ if (!lizard_mode)
+ return;
+
+ if (steam->gamepad_mode)
+ steam_set_lizard_mode(steam, false);
+ else {
+ spin_lock_irqsave(&steam->lock, flags);
+ client_opened = steam->client_opened;
+ spin_unlock_irqrestore(&steam->lock, flags);
+ if (!client_opened)
+ steam_set_lizard_mode(steam, lizard_mode);
+ }
+
+ steam_haptic_pulse(steam, STEAM_PAD_RIGHT, 0x190, 0, 1, 0);
+ if (steam->gamepad_mode) {
+ steam_haptic_pulse(steam, STEAM_PAD_LEFT, 0x14D, 0x14D, 0x2D, 0);
+ } else {
+ steam_haptic_pulse(steam, STEAM_PAD_LEFT, 0x1F4, 0x1F4, 0x1E, 0);
+ }
+}
+
+static void steam_work_unregister_cb(struct work_struct *work)
+{
+ struct steam_device *steam = container_of(work, struct steam_device,
+ unregister_work);
+ unsigned long flags;
+ bool connected;
+ bool opened;
+
+ spin_lock_irqsave(&steam->lock, flags);
+ opened = steam->client_opened;
+ connected = steam->connected;
+ spin_unlock_irqrestore(&steam->lock, flags);
+
+ if (connected) {
+ if (opened) {
+ steam_sensors_unregister(steam);
+ steam_input_unregister(steam);
+ } else {
+ steam_set_lizard_mode(steam, lizard_mode);
+ steam_input_register(steam);
+ steam_sensors_register(steam);
+ }
+ }
+}
+
static bool steam_is_valve_interface(struct hid_device *hdev)
{
struct hid_report_enum *rep_enum;
@@ -738,22 +1115,6 @@ static bool steam_is_valve_interface(struct hid_device *hdev)
return !list_empty(&rep_enum->report_list);
}
-static void steam_lizard_mode_heartbeat(struct work_struct *work)
-{
- struct steam_device *steam = container_of(work, struct steam_device,
- heartbeat.work);
-
- mutex_lock(&steam->mutex);
- if (!steam->client_opened && steam->client_hdev) {
- steam_send_report_byte(steam, STEAM_CMD_CLEAR_MAPPINGS);
- steam_write_registers(steam,
- STEAM_REG_RPAD_MODE, 0x07, /* disable mouse */
- 0);
- schedule_delayed_work(&steam->heartbeat, 5 * HZ);
- }
- mutex_unlock(&steam->mutex);
-}
-
static int steam_client_ll_parse(struct hid_device *hdev)
{
struct steam_device *steam = hdev->driver_data;
@@ -774,12 +1135,13 @@ static void steam_client_ll_stop(struct hid_device *hdev)
static int steam_client_ll_open(struct hid_device *hdev)
{
struct steam_device *steam = hdev->driver_data;
+ unsigned long flags;
- mutex_lock(&steam->mutex);
+ spin_lock_irqsave(&steam->lock, flags);
steam->client_opened = true;
- mutex_unlock(&steam->mutex);
+ spin_unlock_irqrestore(&steam->lock, flags);
- steam_input_unregister(steam);
+ schedule_work(&steam->unregister_work);
return 0;
}
@@ -792,17 +1154,11 @@ static void steam_client_ll_close(struct hid_device *hdev)
bool connected;
spin_lock_irqsave(&steam->lock, flags);
- connected = steam->connected;
- spin_unlock_irqrestore(&steam->lock, flags);
-
- mutex_lock(&steam->mutex);
steam->client_opened = false;
- if (connected)
- steam_set_lizard_mode(steam, lizard_mode);
- mutex_unlock(&steam->mutex);
+ connected = steam->connected && !steam->client_opened;
+ spin_unlock_irqrestore(&steam->lock, flags);
- if (connected)
- steam_input_register(steam);
+ schedule_work(&steam->unregister_work);
}
static int steam_client_ll_raw_request(struct hid_device *hdev,
@@ -881,26 +1237,20 @@ static int steam_probe(struct hid_device *hdev,
return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
steam = devm_kzalloc(&hdev->dev, sizeof(*steam), GFP_KERNEL);
- if (!steam) {
- ret = -ENOMEM;
- goto steam_alloc_fail;
- }
+ if (!steam)
+ return -ENOMEM;
+
steam->hdev = hdev;
hid_set_drvdata(hdev, steam);
spin_lock_init(&steam->lock);
- mutex_init(&steam->mutex);
+ mutex_init(&steam->report_mutex);
steam->quirks = id->driver_data;
INIT_WORK(&steam->work_connect, steam_work_connect_cb);
+ INIT_DELAYED_WORK(&steam->mode_switch, steam_mode_switch_cb);
INIT_LIST_HEAD(&steam->list);
- INIT_DEFERRABLE_WORK(&steam->heartbeat, steam_lizard_mode_heartbeat);
INIT_WORK(&steam->rumble_work, steam_haptic_rumble_cb);
-
- steam->client_hdev = steam_create_client_hid(hdev);
- if (IS_ERR(steam->client_hdev)) {
- ret = PTR_ERR(steam->client_hdev);
- goto client_hdev_fail;
- }
- steam->client_hdev->driver_data = steam;
+ steam->sensor_timestamp_us = 0;
+ INIT_WORK(&steam->unregister_work, steam_work_unregister_cb);
/*
* With the real steam controller interface, do not connect hidraw.
@@ -908,18 +1258,14 @@ static int steam_probe(struct hid_device *hdev,
*/
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDRAW);
if (ret)
- goto hid_hw_start_fail;
-
- ret = hid_add_device(steam->client_hdev);
- if (ret)
- goto client_hdev_add_fail;
+ goto err_cancel_work;
ret = hid_hw_open(hdev);
if (ret) {
hid_err(hdev,
"%s:hid_hw_open\n",
__func__);
- goto hid_hw_open_fail;
+ goto err_hw_stop;
}
if (steam->quirks & STEAM_QUIRK_WIRELESS) {
@@ -935,25 +1281,38 @@ static int steam_probe(struct hid_device *hdev,
hid_err(hdev,
"%s:steam_register failed with error %d\n",
__func__, ret);
- goto input_register_fail;
+ goto err_hw_close;
}
}
+ steam->client_hdev = steam_create_client_hid(hdev);
+ if (IS_ERR(steam->client_hdev)) {
+ ret = PTR_ERR(steam->client_hdev);
+ goto err_stream_unregister;
+ }
+ steam->client_hdev->driver_data = steam;
+
+ ret = hid_add_device(steam->client_hdev);
+ if (ret)
+ goto err_destroy;
+
return 0;
-input_register_fail:
-hid_hw_open_fail:
-client_hdev_add_fail:
- hid_hw_stop(hdev);
-hid_hw_start_fail:
+err_destroy:
hid_destroy_device(steam->client_hdev);
-client_hdev_fail:
+err_stream_unregister:
+ if (steam->connected)
+ steam_unregister(steam);
+err_hw_close:
+ hid_hw_close(hdev);
+err_hw_stop:
+ hid_hw_stop(hdev);
+err_cancel_work:
cancel_work_sync(&steam->work_connect);
- cancel_delayed_work_sync(&steam->heartbeat);
+ cancel_delayed_work_sync(&steam->mode_switch);
cancel_work_sync(&steam->rumble_work);
-steam_alloc_fail:
- hid_err(hdev, "%s: failed with error %d\n",
- __func__, ret);
+ cancel_work_sync(&steam->unregister_work);
+
return ret;
}
@@ -966,13 +1325,13 @@ static void steam_remove(struct hid_device *hdev)
return;
}
+ cancel_delayed_work_sync(&steam->mode_switch);
+ cancel_work_sync(&steam->work_connect);
+ cancel_work_sync(&steam->rumble_work);
+ cancel_work_sync(&steam->unregister_work);
hid_destroy_device(steam->client_hdev);
- mutex_lock(&steam->mutex);
steam->client_hdev = NULL;
steam->client_opened = false;
- cancel_delayed_work_sync(&steam->heartbeat);
- mutex_unlock(&steam->mutex);
- cancel_work_sync(&steam->work_connect);
if (steam->quirks & STEAM_QUIRK_WIRELESS) {
hid_info(hdev, "Steam wireless receiver disconnected");
}
@@ -1154,12 +1513,12 @@ static void steam_do_input_event(struct steam_device *steam,
* 18-19 | s16 | ABS_HAT0Y | left-pad Y value
* 20-21 | s16 | ABS_HAT1X | right-pad X value
* 22-23 | s16 | ABS_HAT1Y | right-pad Y value
- * 24-25 | s16 | -- | accelerometer X value
- * 26-27 | s16 | -- | accelerometer Y value
- * 28-29 | s16 | -- | accelerometer Z value
- * 30-31 | s16 | -- | gyro X value
- * 32-33 | s16 | -- | gyro Y value
- * 34-35 | s16 | -- | gyro Z value
+ * 24-25 | s16 | IMU ABS_X | accelerometer X value
+ * 26-27 | s16 | IMU ABS_Z | accelerometer Y value
+ * 28-29 | s16 | IMU ABS_Y | accelerometer Z value
+ * 30-31 | s16 | IMU ABS_RX | gyro X value
+ * 32-33 | s16 | IMU ABS_RZ | gyro Y value
+ * 34-35 | s16 | IMU ABS_RY | gyro Z value
* 36-37 | s16 | -- | quaternion W value
* 38-39 | s16 | -- | quaternion X value
* 40-41 | s16 | -- | quaternion Y value
@@ -1254,6 +1613,17 @@ static void steam_do_deck_input_event(struct steam_device *steam,
b13 = data[13];
b14 = data[14];
+ if (!(b9 & BIT(6)) && steam->did_mode_switch) {
+ steam->did_mode_switch = false;
+ cancel_delayed_work(&steam->mode_switch);
+ } else if (!steam->client_opened && (b9 & BIT(6)) && !steam->did_mode_switch) {
+ steam->did_mode_switch = true;
+ schedule_delayed_work(&steam->mode_switch, 45 * HZ / 100);
+ }
+
+ if (!steam->gamepad_mode)
+ return;
+
lpad_touched = b10 & BIT(3);
rpad_touched = b10 & BIT(4);
@@ -1309,6 +1679,32 @@ static void steam_do_deck_input_event(struct steam_device *steam,
input_sync(input);
}
+static void steam_do_deck_sensors_event(struct steam_device *steam,
+ struct input_dev *sensors, u8 *data)
+{
+ /*
+ * The deck input report is received every 4 ms on average,
+ * with a jitter of +/- 4 ms even though the USB descriptor claims
+ * that it uses 1 kHz.
+ * Since the HID report does not include a sensor timestamp,
+ * use a fixed increment here.
+ */
+ steam->sensor_timestamp_us += 4000;
+
+ if (!steam->gamepad_mode)
+ return;
+
+ input_event(sensors, EV_MSC, MSC_TIMESTAMP, steam->sensor_timestamp_us);
+ input_report_abs(sensors, ABS_X, steam_le16(data + 24));
+ input_report_abs(sensors, ABS_Z, -steam_le16(data + 26));
+ input_report_abs(sensors, ABS_Y, steam_le16(data + 28));
+ input_report_abs(sensors, ABS_RX, steam_le16(data + 30));
+ input_report_abs(sensors, ABS_RZ, -steam_le16(data + 32));
+ input_report_abs(sensors, ABS_RY, steam_le16(data + 34));
+
+ input_sync(sensors);
+}
+
/*
* The size for this message payload is 11.
* The known values are:
@@ -1346,6 +1742,7 @@ static int steam_raw_event(struct hid_device *hdev,
{
struct steam_device *steam = hid_get_drvdata(hdev);
struct input_dev *input;
+ struct input_dev *sensors;
struct power_supply *battery;
if (!steam)
@@ -1375,7 +1772,7 @@ static int steam_raw_event(struct hid_device *hdev,
return 0;
switch (data[2]) {
- case STEAM_EV_INPUT_DATA:
+ case ID_CONTROLLER_STATE:
if (steam->client_opened)
return 0;
rcu_read_lock();
@@ -1384,16 +1781,19 @@ static int steam_raw_event(struct hid_device *hdev,
steam_do_input_event(steam, input, data);
rcu_read_unlock();
break;
- case STEAM_EV_DECK_INPUT_DATA:
+ case ID_CONTROLLER_DECK_STATE:
if (steam->client_opened)
return 0;
rcu_read_lock();
input = rcu_dereference(steam->input);
if (likely(input))
steam_do_deck_input_event(steam, input, data);
+ sensors = rcu_dereference(steam->sensors);
+ if (likely(sensors))
+ steam_do_deck_sensors_event(steam, sensors, data);
rcu_read_unlock();
break;
- case STEAM_EV_CONNECT:
+ case ID_CONTROLLER_WIRELESS:
/*
* The payload of this event is a single byte:
* 0x01: disconnected.
@@ -1408,7 +1808,7 @@ static int steam_raw_event(struct hid_device *hdev,
break;
}
break;
- case STEAM_EV_BATTERY:
+ case ID_CONTROLLER_STATUS:
if (steam->quirks & STEAM_QUIRK_WIRELESS) {
rcu_read_lock();
battery = rcu_dereference(steam->battery);
@@ -1439,10 +1839,8 @@ static int steam_param_set_lizard_mode(const char *val,
mutex_lock(&steam_devices_lock);
list_for_each_entry(steam, &steam_devices, list) {
- mutex_lock(&steam->mutex);
if (!steam->client_opened)
steam_set_lizard_mode(steam, lizard_mode);
- mutex_unlock(&steam->mutex);
}
mutex_unlock(&steam_devices_lock);
return 0;
diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index 6c3e758bbb09..3b81468a1df2 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -171,7 +171,7 @@ static void thrustmaster_interrupts(struct hid_device *hdev)
b_ep = ep->desc.bEndpointAddress;
/* Are the expected endpoints present? */
- u8 ep_addr[1] = {b_ep};
+ u8 ep_addr[2] = {b_ep, 0};
if (!usb_check_int_endpoints(usbif, ep_addr)) {
hid_err(hdev, "Unexpected non-int endpoint\n");
diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c
index 15ee92081118..924940ca9de0 100644
--- a/drivers/infiniband/hw/efa/efa_main.c
+++ b/drivers/infiniband/hw/efa/efa_main.c
@@ -452,7 +452,6 @@ static void efa_ib_device_remove(struct efa_dev *dev)
ibdev_info(&dev->ibdev, "Unregister ib device\n");
ib_unregister_device(&dev->ibdev);
efa_destroy_eqs(dev);
- efa_com_dev_reset(&dev->edev, EFA_REGS_RESET_NORMAL);
efa_release_doorbell_bar(dev);
}
@@ -623,12 +622,14 @@ static struct efa_dev *efa_probe_device(struct pci_dev *pdev)
return ERR_PTR(err);
}
-static void efa_remove_device(struct pci_dev *pdev)
+static void efa_remove_device(struct pci_dev *pdev,
+ enum efa_regs_reset_reason_types reset_reason)
{
struct efa_dev *dev = pci_get_drvdata(pdev);
struct efa_com_dev *edev;
edev = &dev->edev;
+ efa_com_dev_reset(edev, reset_reason);
efa_com_admin_destroy(edev);
efa_free_irq(dev, &dev->admin_irq);
efa_disable_msix(dev);
@@ -656,7 +657,7 @@ static int efa_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
err_remove_device:
- efa_remove_device(pdev);
+ efa_remove_device(pdev, EFA_REGS_RESET_INIT_ERR);
return err;
}
@@ -665,7 +666,7 @@ static void efa_remove(struct pci_dev *pdev)
struct efa_dev *dev = pci_get_drvdata(pdev);
efa_ib_device_remove(dev);
- efa_remove_device(pdev);
+ efa_remove_device(pdev, EFA_REGS_RESET_NORMAL);
}
static struct pci_driver efa_pci_driver = {
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index ba63076cd8f2..2085b1705f14 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -1465,22 +1465,12 @@ __acquires(bitmap->lock)
&(bitmap->bp[page].map[pageoff]);
}
-int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sectors, int behind)
+int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset,
+ unsigned long sectors)
{
if (!bitmap)
return 0;
- if (behind) {
- int bw;
- atomic_inc(&bitmap->behind_writes);
- bw = atomic_read(&bitmap->behind_writes);
- if (bw > bitmap->behind_writes_used)
- bitmap->behind_writes_used = bw;
-
- pr_debug("inc write-behind count %d/%lu\n",
- bw, bitmap->mddev->bitmap_info.max_write_behind);
- }
-
while (sectors) {
sector_t blocks;
bitmap_counter_t *bmc;
@@ -1527,20 +1517,12 @@ int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long s
}
return 0;
}
-EXPORT_SYMBOL(md_bitmap_startwrite);
void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
- unsigned long sectors, int success, int behind)
+ unsigned long sectors)
{
if (!bitmap)
return;
- if (behind) {
- if (atomic_dec_and_test(&bitmap->behind_writes))
- wake_up(&bitmap->behind_wait);
- pr_debug("dec write-behind count %d/%lu\n",
- atomic_read(&bitmap->behind_writes),
- bitmap->mddev->bitmap_info.max_write_behind);
- }
while (sectors) {
sector_t blocks;
@@ -1554,15 +1536,16 @@ void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
return;
}
- if (success && !bitmap->mddev->degraded &&
- bitmap->events_cleared < bitmap->mddev->events) {
- bitmap->events_cleared = bitmap->mddev->events;
- bitmap->need_sync = 1;
- sysfs_notify_dirent_safe(bitmap->sysfs_can_clear);
- }
-
- if (!success && !NEEDED(*bmc))
+ if (!bitmap->mddev->degraded) {
+ if (bitmap->events_cleared < bitmap->mddev->events) {
+ bitmap->events_cleared = bitmap->mddev->events;
+ bitmap->need_sync = 1;
+ sysfs_notify_dirent_safe(
+ bitmap->sysfs_can_clear);
+ }
+ } else if (!NEEDED(*bmc)) {
*bmc |= NEEDED_MASK;
+ }
if (COUNTER(*bmc) == COUNTER_MAX)
wake_up(&bitmap->overflow_wait);
@@ -1580,7 +1563,6 @@ void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
sectors = 0;
}
}
-EXPORT_SYMBOL(md_bitmap_endwrite);
static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks,
int degraded)
@@ -1842,6 +1824,39 @@ void md_bitmap_free(struct bitmap *bitmap)
}
EXPORT_SYMBOL(md_bitmap_free);
+void md_bitmap_start_behind_write(struct mddev *mddev)
+{
+ struct bitmap *bitmap = mddev->bitmap;
+ int bw;
+
+ if (!bitmap)
+ return;
+
+ atomic_inc(&bitmap->behind_writes);
+ bw = atomic_read(&bitmap->behind_writes);
+ if (bw > bitmap->behind_writes_used)
+ bitmap->behind_writes_used = bw;
+
+ pr_debug("inc write-behind count %d/%lu\n",
+ bw, bitmap->mddev->bitmap_info.max_write_behind);
+}
+EXPORT_SYMBOL_GPL(md_bitmap_start_behind_write);
+
+void md_bitmap_end_behind_write(struct mddev *mddev)
+{
+ struct bitmap *bitmap = mddev->bitmap;
+
+ if (!bitmap)
+ return;
+
+ if (atomic_dec_and_test(&bitmap->behind_writes))
+ wake_up(&bitmap->behind_wait);
+ pr_debug("dec write-behind count %d/%lu\n",
+ atomic_read(&bitmap->behind_writes),
+ bitmap->mddev->bitmap_info.max_write_behind);
+}
+EXPORT_SYMBOL_GPL(md_bitmap_end_behind_write);
+
void md_bitmap_wait_behind_writes(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h
index bb9eb418780a..8b89e260a93b 100644
--- a/drivers/md/md-bitmap.h
+++ b/drivers/md/md-bitmap.h
@@ -253,9 +253,11 @@ void md_bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long
/* these are exported */
int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset,
- unsigned long sectors, int behind);
+ unsigned long sectors);
void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
- unsigned long sectors, int success, int behind);
+ unsigned long sectors);
+void md_bitmap_start_behind_write(struct mddev *mddev);
+void md_bitmap_end_behind_write(struct mddev *mddev);
int md_bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int degraded);
void md_bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int aborted);
void md_bitmap_close_sync(struct bitmap *bitmap);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index d1f6770c5cc0..9bc19a5a4119 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8713,12 +8713,32 @@ void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev,
}
EXPORT_SYMBOL_GPL(md_submit_discard_bio);
+static void md_bitmap_start(struct mddev *mddev,
+ struct md_io_clone *md_io_clone)
+{
+ if (mddev->pers->bitmap_sector)
+ mddev->pers->bitmap_sector(mddev, &md_io_clone->offset,
+ &md_io_clone->sectors);
+
+ md_bitmap_startwrite(mddev->bitmap, md_io_clone->offset,
+ md_io_clone->sectors);
+}
+
+static void md_bitmap_end(struct mddev *mddev, struct md_io_clone *md_io_clone)
+{
+ md_bitmap_endwrite(mddev->bitmap, md_io_clone->offset,
+ md_io_clone->sectors);
+}
+
static void md_end_clone_io(struct bio *bio)
{
struct md_io_clone *md_io_clone = bio->bi_private;
struct bio *orig_bio = md_io_clone->orig_bio;
struct mddev *mddev = md_io_clone->mddev;
+ if (bio_data_dir(orig_bio) == WRITE && mddev->bitmap)
+ md_bitmap_end(mddev, md_io_clone);
+
if (bio->bi_status && !orig_bio->bi_status)
orig_bio->bi_status = bio->bi_status;
@@ -8743,6 +8763,12 @@ static void md_clone_bio(struct mddev *mddev, struct bio **bio)
if (blk_queue_io_stat(bdev->bd_disk->queue))
md_io_clone->start_time = bio_start_io_acct(*bio);
+ if (bio_data_dir(*bio) == WRITE && mddev->bitmap) {
+ md_io_clone->offset = (*bio)->bi_iter.bi_sector;
+ md_io_clone->sectors = bio_sectors(*bio);
+ md_bitmap_start(mddev, md_io_clone);
+ }
+
clone->bi_end_io = md_end_clone_io;
clone->bi_private = md_io_clone;
*bio = clone;
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 7c9c13abd7ca..f29fa8650cd0 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -661,6 +661,9 @@ struct md_personality
void *(*takeover) (struct mddev *mddev);
/* Changes the consistency policy of an active array. */
int (*change_consistency_policy)(struct mddev *mddev, const char *buf);
+ /* convert io ranges from array to bitmap */
+ void (*bitmap_sector)(struct mddev *mddev, sector_t *offset,
+ unsigned long *sectors);
};
struct md_sysfs_entry {
@@ -743,6 +746,8 @@ struct md_io_clone {
struct mddev *mddev;
struct bio *orig_bio;
unsigned long start_time;
+ sector_t offset;
+ unsigned long sectors;
struct bio bio_clone;
};
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index cc02e7ec72c0..65309da1dca3 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -419,11 +419,8 @@ static void close_write(struct r1bio *r1_bio)
bio_put(r1_bio->behind_master_bio);
r1_bio->behind_master_bio = NULL;
}
- /* clear the bitmap if all writes complete successfully */
- md_bitmap_endwrite(r1_bio->mddev->bitmap, r1_bio->sector,
- r1_bio->sectors,
- !test_bit(R1BIO_Degraded, &r1_bio->state),
- test_bit(R1BIO_BehindIO, &r1_bio->state));
+ if (test_bit(R1BIO_BehindIO, &r1_bio->state))
+ md_bitmap_end_behind_write(r1_bio->mddev);
md_write_end(r1_bio->mddev);
}
@@ -480,8 +477,6 @@ static void raid1_end_write_request(struct bio *bio)
if (!test_bit(Faulty, &rdev->flags))
set_bit(R1BIO_WriteError, &r1_bio->state);
else {
- /* Fail the request */
- set_bit(R1BIO_Degraded, &r1_bio->state);
/* Finished with this branch */
r1_bio->bios[mirror] = NULL;
to_put = bio;
@@ -1414,11 +1409,8 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
break;
}
r1_bio->bios[i] = NULL;
- if (!rdev || test_bit(Faulty, &rdev->flags)) {
- if (i < conf->raid_disks)
- set_bit(R1BIO_Degraded, &r1_bio->state);
+ if (!rdev || test_bit(Faulty, &rdev->flags))
continue;
- }
atomic_inc(&rdev->nr_pending);
if (test_bit(WriteErrorSeen, &rdev->flags)) {
@@ -1444,16 +1436,6 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
*/
max_sectors = bad_sectors;
rdev_dec_pending(rdev, mddev);
- /* We don't set R1BIO_Degraded as that
- * only applies if the disk is
- * missing, so it might be re-added,
- * and we want to know to recover this
- * chunk.
- * In this case the device is here,
- * and the fact that this chunk is not
- * in-sync is recorded in the bad
- * block log
- */
continue;
}
if (is_bad) {
@@ -1530,8 +1512,8 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
alloc_behind_master_bio(r1_bio, bio);
}
- md_bitmap_startwrite(bitmap, r1_bio->sector, r1_bio->sectors,
- test_bit(R1BIO_BehindIO, &r1_bio->state));
+ if (test_bit(R1BIO_BehindIO, &r1_bio->state))
+ md_bitmap_start_behind_write(mddev);
first_clone = 0;
}
@@ -2476,12 +2458,9 @@ static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio)
* errors.
*/
fail = true;
- if (!narrow_write_error(r1_bio, m)) {
+ if (!narrow_write_error(r1_bio, m))
md_error(conf->mddev,
conf->mirrors[m].rdev);
- /* an I/O failed, we can't clear the bitmap */
- set_bit(R1BIO_Degraded, &r1_bio->state);
- }
rdev_dec_pending(conf->mirrors[m].rdev,
conf->mddev);
}
@@ -2573,8 +2552,6 @@ static void raid1d(struct md_thread *thread)
list_del(&r1_bio->retry_list);
idx = sector_to_idx(r1_bio->sector);
atomic_dec(&conf->nr_queued[idx]);
- if (mddev->degraded)
- set_bit(R1BIO_Degraded, &r1_bio->state);
if (test_bit(R1BIO_WriteError, &r1_bio->state))
close_write(r1_bio);
raid_end_bio_io(r1_bio);
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index 14d4211a123a..44f2390a8866 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -187,7 +187,6 @@ struct r1bio {
enum r1bio_state {
R1BIO_Uptodate,
R1BIO_IsSync,
- R1BIO_Degraded,
R1BIO_BehindIO,
/* Set ReadError on bios that experience a readerror so that
* raid1d knows what to do with them.
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 023413120851..c300fd609ef0 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -427,11 +427,6 @@ static void raid10_end_read_request(struct bio *bio)
static void close_write(struct r10bio *r10_bio)
{
- /* clear the bitmap if all writes complete successfully */
- md_bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector,
- r10_bio->sectors,
- !test_bit(R10BIO_Degraded, &r10_bio->state),
- 0);
md_write_end(r10_bio->mddev);
}
@@ -501,7 +496,6 @@ static void raid10_end_write_request(struct bio *bio)
set_bit(R10BIO_WriteError, &r10_bio->state);
else {
/* Fail the request */
- set_bit(R10BIO_Degraded, &r10_bio->state);
r10_bio->devs[slot].bio = NULL;
to_put = bio;
dec_rdev = 1;
@@ -1490,10 +1484,8 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio,
r10_bio->devs[i].bio = NULL;
r10_bio->devs[i].repl_bio = NULL;
- if (!rdev && !rrdev) {
- set_bit(R10BIO_Degraded, &r10_bio->state);
+ if (!rdev && !rrdev)
continue;
- }
if (rdev && test_bit(WriteErrorSeen, &rdev->flags)) {
sector_t first_bad;
sector_t dev_sector = r10_bio->devs[i].addr;
@@ -1510,14 +1502,6 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio,
* to other devices yet
*/
max_sectors = bad_sectors;
- /* We don't set R10BIO_Degraded as that
- * only applies if the disk is missing,
- * so it might be re-added, and we want to
- * know to recover this chunk.
- * In this case the device is here, and the
- * fact that this chunk is not in-sync is
- * recorded in the bad block log.
- */
continue;
}
if (is_bad) {
@@ -1554,7 +1538,6 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio,
md_account_bio(mddev, &bio);
r10_bio->master_bio = bio;
atomic_set(&r10_bio->remaining, 1);
- md_bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0);
for (i = 0; i < conf->copies; i++) {
if (r10_bio->devs[i].bio)
@@ -3063,11 +3046,8 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio)
rdev_dec_pending(rdev, conf->mddev);
} else if (bio != NULL && bio->bi_status) {
fail = true;
- if (!narrow_write_error(r10_bio, m)) {
+ if (!narrow_write_error(r10_bio, m))
md_error(conf->mddev, rdev);
- set_bit(R10BIO_Degraded,
- &r10_bio->state);
- }
rdev_dec_pending(rdev, conf->mddev);
}
bio = r10_bio->devs[m].repl_bio;
@@ -3126,8 +3106,6 @@ static void raid10d(struct md_thread *thread)
r10_bio = list_first_entry(&tmp, struct r10bio,
retry_list);
list_del(&r10_bio->retry_list);
- if (mddev->degraded)
- set_bit(R10BIO_Degraded, &r10_bio->state);
if (test_bit(R10BIO_WriteError,
&r10_bio->state))
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index 2e75e88d0802..3f16ad6904a9 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -161,7 +161,6 @@ enum r10bio_state {
R10BIO_IsSync,
R10BIO_IsRecover,
R10BIO_IsReshape,
- R10BIO_Degraded,
/* Set ReadError on bios that experience a read error
* so that raid10d knows what to do with them.
*/
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 889bba60d6ff..53f3718c01eb 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -313,10 +313,6 @@ void r5c_handle_cached_data_endio(struct r5conf *conf,
if (sh->dev[i].written) {
set_bit(R5_UPTODATE, &sh->dev[i].flags);
r5c_return_dev_pending_writes(conf, &sh->dev[i]);
- md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- RAID5_STRIPE_SECTORS(conf),
- !test_bit(STRIPE_DEGRADED, &sh->state),
- 0);
}
}
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2c7f11e57667..f69e4a6a8a59 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -905,7 +905,6 @@ static bool stripe_can_batch(struct stripe_head *sh)
if (raid5_has_log(conf) || raid5_has_ppl(conf))
return false;
return test_bit(STRIPE_BATCH_READY, &sh->state) &&
- !test_bit(STRIPE_BITMAP_PENDING, &sh->state) &&
is_full_stripe_write(sh);
}
@@ -1359,8 +1358,6 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
submit_bio_noacct(rbi);
}
if (!rdev && !rrdev) {
- if (op_is_write(op))
- set_bit(STRIPE_DEGRADED, &sh->state);
pr_debug("skip op %d on disc %d for sector %llu\n",
bi->bi_opf, i, (unsigned long long)sh->sector);
clear_bit(R5_LOCKED, &sh->dev[i].flags);
@@ -2925,7 +2922,6 @@ static void raid5_end_write_request(struct bio *bi)
set_bit(R5_MadeGoodRepl, &sh->dev[i].flags);
} else {
if (bi->bi_status) {
- set_bit(STRIPE_DEGRADED, &sh->state);
set_bit(WriteErrorSeen, &rdev->flags);
set_bit(R5_WriteError, &sh->dev[i].flags);
if (!test_and_set_bit(WantReplacement, &rdev->flags))
@@ -3590,29 +3586,9 @@ static void __add_stripe_bio(struct stripe_head *sh, struct bio *bi,
(*bip)->bi_iter.bi_sector, sh->sector, dd_idx,
sh->dev[dd_idx].sector);
- if (conf->mddev->bitmap && firstwrite) {
- /* Cannot hold spinlock over bitmap_startwrite,
- * but must ensure this isn't added to a batch until
- * we have added to the bitmap and set bm_seq.
- * So set STRIPE_BITMAP_PENDING to prevent
- * batching.
- * If multiple __add_stripe_bio() calls race here they
- * much all set STRIPE_BITMAP_PENDING. So only the first one
- * to complete "bitmap_startwrite" gets to set
- * STRIPE_BIT_DELAY. This is important as once a stripe
- * is added to a batch, STRIPE_BIT_DELAY cannot be changed
- * any more.
- */
- set_bit(STRIPE_BITMAP_PENDING, &sh->state);
- spin_unlock_irq(&sh->stripe_lock);
- md_bitmap_startwrite(conf->mddev->bitmap, sh->sector,
- RAID5_STRIPE_SECTORS(conf), 0);
- spin_lock_irq(&sh->stripe_lock);
- clear_bit(STRIPE_BITMAP_PENDING, &sh->state);
- if (!sh->batch_head) {
- sh->bm_seq = conf->seq_flush+1;
- set_bit(STRIPE_BIT_DELAY, &sh->state);
- }
+ if (conf->mddev->bitmap && firstwrite && !sh->batch_head) {
+ sh->bm_seq = conf->seq_flush+1;
+ set_bit(STRIPE_BIT_DELAY, &sh->state);
}
}
@@ -3663,7 +3639,6 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
BUG_ON(sh->batch_head);
for (i = disks; i--; ) {
struct bio *bi;
- int bitmap_end = 0;
if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
struct md_rdev *rdev;
@@ -3690,8 +3665,6 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
sh->dev[i].towrite = NULL;
sh->overwrite_disks = 0;
spin_unlock_irq(&sh->stripe_lock);
- if (bi)
- bitmap_end = 1;
log_stripe_write_finished(sh);
@@ -3706,10 +3679,6 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
bio_io_error(bi);
bi = nextbi;
}
- if (bitmap_end)
- md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- RAID5_STRIPE_SECTORS(conf), 0, 0);
- bitmap_end = 0;
/* and fail all 'written' */
bi = sh->dev[i].written;
sh->dev[i].written = NULL;
@@ -3718,7 +3687,6 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
sh->dev[i].page = sh->dev[i].orig_page;
}
- if (bi) bitmap_end = 1;
while (bi && bi->bi_iter.bi_sector <
sh->dev[i].sector + RAID5_STRIPE_SECTORS(conf)) {
struct bio *bi2 = r5_next_bio(conf, bi, sh->dev[i].sector);
@@ -3752,9 +3720,6 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh,
bi = nextbi;
}
}
- if (bitmap_end)
- md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- RAID5_STRIPE_SECTORS(conf), 0, 0);
/* If we were in the middle of a write the parity block might
* still be locked - so just clear all R5_LOCKED flags
*/
@@ -4105,10 +4070,7 @@ static void handle_stripe_clean_event(struct r5conf *conf,
bio_endio(wbi);
wbi = wbi2;
}
- md_bitmap_endwrite(conf->mddev->bitmap, sh->sector,
- RAID5_STRIPE_SECTORS(conf),
- !test_bit(STRIPE_DEGRADED, &sh->state),
- 0);
+
if (head_sh->batch_head) {
sh = list_first_entry(&sh->batch_list,
struct stripe_head,
@@ -4385,7 +4347,6 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh,
s->locked++;
set_bit(R5_Wantwrite, &dev->flags);
- clear_bit(STRIPE_DEGRADED, &sh->state);
set_bit(STRIPE_INSYNC, &sh->state);
break;
case check_state_run:
@@ -4542,7 +4503,6 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh,
clear_bit(R5_Wantwrite, &dev->flags);
s->locked--;
}
- clear_bit(STRIPE_DEGRADED, &sh->state);
set_bit(STRIPE_INSYNC, &sh->state);
break;
@@ -4942,8 +4902,7 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
(1 << STRIPE_COMPUTE_RUN) |
(1 << STRIPE_DISCARD) |
(1 << STRIPE_BATCH_READY) |
- (1 << STRIPE_BATCH_ERR) |
- (1 << STRIPE_BITMAP_PENDING)),
+ (1 << STRIPE_BATCH_ERR)),
"stripe state: %lx\n", sh->state);
WARN_ONCE(head_sh->state & ((1 << STRIPE_DISCARD) |
(1 << STRIPE_REPLACED)),
@@ -4951,7 +4910,6 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
set_mask_bits(&sh->state, ~(STRIPE_EXPAND_SYNC_FLAGS |
(1 << STRIPE_PREREAD_ACTIVE) |
- (1 << STRIPE_DEGRADED) |
(1 << STRIPE_ON_UNPLUG_LIST)),
head_sh->state & (1 << STRIPE_INSYNC));
@@ -5848,13 +5806,6 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi)
}
spin_unlock_irq(&sh->stripe_lock);
if (conf->mddev->bitmap) {
- for (d = 0;
- d < conf->raid_disks - conf->max_degraded;
- d++)
- md_bitmap_startwrite(mddev->bitmap,
- sh->sector,
- RAID5_STRIPE_SECTORS(conf),
- 0);
sh->bm_seq = conf->seq_flush + 1;
set_bit(STRIPE_BIT_DELAY, &sh->state);
}
@@ -5972,6 +5923,87 @@ static bool reshape_disabled(struct mddev *mddev)
return is_md_suspended(mddev) || !md_is_rdwr(mddev);
}
+enum reshape_loc {
+ LOC_NO_RESHAPE,
+ LOC_AHEAD_OF_RESHAPE,
+ LOC_INSIDE_RESHAPE,
+ LOC_BEHIND_RESHAPE,
+};
+
+static enum reshape_loc get_reshape_loc(struct mddev *mddev,
+ struct r5conf *conf, sector_t logical_sector)
+{
+ sector_t reshape_progress, reshape_safe;
+ /*
+ * Spinlock is needed as reshape_progress may be
+ * 64bit on a 32bit platform, and so it might be
+ * possible to see a half-updated value
+ * Of course reshape_progress could change after
+ * the lock is dropped, so once we get a reference
+ * to the stripe that we think it is, we will have
+ * to check again.
+ */
+ spin_lock_irq(&conf->device_lock);
+ reshape_progress = conf->reshape_progress;
+ reshape_safe = conf->reshape_safe;
+ spin_unlock_irq(&conf->device_lock);
+ if (reshape_progress == MaxSector)
+ return LOC_NO_RESHAPE;
+ if (ahead_of_reshape(mddev, logical_sector, reshape_progress))
+ return LOC_AHEAD_OF_RESHAPE;
+ if (ahead_of_reshape(mddev, logical_sector, reshape_safe))
+ return LOC_INSIDE_RESHAPE;
+ return LOC_BEHIND_RESHAPE;
+}
+
+static void raid5_bitmap_sector(struct mddev *mddev, sector_t *offset,
+ unsigned long *sectors)
+{
+ struct r5conf *conf = mddev->private;
+ sector_t start = *offset;
+ sector_t end = start + *sectors;
+ sector_t prev_start = start;
+ sector_t prev_end = end;
+ int sectors_per_chunk;
+ enum reshape_loc loc;
+ int dd_idx;
+
+ sectors_per_chunk = conf->chunk_sectors *
+ (conf->raid_disks - conf->max_degraded);
+ start = round_down(start, sectors_per_chunk);
+ end = round_up(end, sectors_per_chunk);
+
+ start = raid5_compute_sector(conf, start, 0, &dd_idx, NULL);
+ end = raid5_compute_sector(conf, end, 0, &dd_idx, NULL);
+
+ /*
+ * For LOC_INSIDE_RESHAPE, this IO will wait for reshape to make
+ * progress, hence it's the same as LOC_BEHIND_RESHAPE.
+ */
+ loc = get_reshape_loc(mddev, conf, prev_start);
+ if (likely(loc != LOC_AHEAD_OF_RESHAPE)) {
+ *offset = start;
+ *sectors = end - start;
+ return;
+ }
+
+ sectors_per_chunk = conf->prev_chunk_sectors *
+ (conf->previous_raid_disks - conf->max_degraded);
+ prev_start = round_down(prev_start, sectors_per_chunk);
+ prev_end = round_down(prev_end, sectors_per_chunk);
+
+ prev_start = raid5_compute_sector(conf, prev_start, 1, &dd_idx, NULL);
+ prev_end = raid5_compute_sector(conf, prev_end, 1, &dd_idx, NULL);
+
+ /*
+ * for LOC_AHEAD_OF_RESHAPE, reshape can make progress before this IO
+ * is handled in make_stripe_request(), we can't know this here hence
+ * we set bits for both.
+ */
+ *offset = min(start, prev_start);
+ *sectors = max(end, prev_end) - *offset;
+}
+
static enum stripe_result make_stripe_request(struct mddev *mddev,
struct r5conf *conf, struct stripe_request_ctx *ctx,
sector_t logical_sector, struct bio *bi)
@@ -5986,28 +6018,14 @@ static enum stripe_result make_stripe_request(struct mddev *mddev,
seq = read_seqcount_begin(&conf->gen_lock);
if (unlikely(conf->reshape_progress != MaxSector)) {
- /*
- * Spinlock is needed as reshape_progress may be
- * 64bit on a 32bit platform, and so it might be
- * possible to see a half-updated value
- * Of course reshape_progress could change after
- * the lock is dropped, so once we get a reference
- * to the stripe that we think it is, we will have
- * to check again.
- */
- spin_lock_irq(&conf->device_lock);
- if (ahead_of_reshape(mddev, logical_sector,
- conf->reshape_progress)) {
- previous = 1;
- } else {
- if (ahead_of_reshape(mddev, logical_sector,
- conf->reshape_safe)) {
- spin_unlock_irq(&conf->device_lock);
- ret = STRIPE_SCHEDULE_AND_RETRY;
- goto out;
- }
+ enum reshape_loc loc = get_reshape_loc(mddev, conf,
+ logical_sector);
+ if (loc == LOC_INSIDE_RESHAPE) {
+ ret = STRIPE_SCHEDULE_AND_RETRY;
+ goto out;
}
- spin_unlock_irq(&conf->device_lock);
+ if (loc == LOC_AHEAD_OF_RESHAPE)
+ previous = 1;
}
new_sector = raid5_compute_sector(conf, logical_sector, previous,
@@ -6189,8 +6207,7 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
/* Bail out if conflicts with reshape and REQ_NOWAIT is set */
if ((bi->bi_opf & REQ_NOWAIT) &&
(conf->reshape_progress != MaxSector) &&
- !ahead_of_reshape(mddev, logical_sector, conf->reshape_progress) &&
- ahead_of_reshape(mddev, logical_sector, conf->reshape_safe)) {
+ get_reshape_loc(mddev, conf, logical_sector) == LOC_INSIDE_RESHAPE) {
bio_wouldblock_error(bi);
if (rw == WRITE)
md_write_end(mddev);
@@ -9090,6 +9107,7 @@ static struct md_personality raid6_personality =
.quiesce = raid5_quiesce,
.takeover = raid6_takeover,
.change_consistency_policy = raid5_change_consistency_policy,
+ .bitmap_sector = raid5_bitmap_sector,
};
static struct md_personality raid5_personality =
{
@@ -9115,6 +9133,7 @@ static struct md_personality raid5_personality =
.quiesce = raid5_quiesce,
.takeover = raid5_takeover,
.change_consistency_policy = raid5_change_consistency_policy,
+ .bitmap_sector = raid5_bitmap_sector,
};
static struct md_personality raid4_personality =
@@ -9141,6 +9160,7 @@ static struct md_personality raid4_personality =
.quiesce = raid5_quiesce,
.takeover = raid4_takeover,
.change_consistency_policy = raid5_change_consistency_policy,
+ .bitmap_sector = raid5_bitmap_sector,
};
static int __init raid5_init(void)
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 97a795979a35..fd6171553880 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -358,7 +358,6 @@ enum {
STRIPE_REPLACED,
STRIPE_PREREAD_ACTIVE,
STRIPE_DELAYED,
- STRIPE_DEGRADED,
STRIPE_BIT_DELAY,
STRIPE_EXPANDING,
STRIPE_EXPAND_SOURCE,
@@ -372,9 +371,6 @@ enum {
STRIPE_ON_RELEASE_LIST,
STRIPE_BATCH_READY,
STRIPE_BATCH_ERR,
- STRIPE_BITMAP_PENDING, /* Being added to bitmap, don't add
- * to batch yet.
- */
STRIPE_LOG_TRAPPED, /* trapped into log (see raid5-cache.c)
* this bit is used in two scenarios:
*
diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c
index d925ca24183b..415f1f91cc30 100644
--- a/drivers/media/dvb-frontends/cxd2841er.c
+++ b/drivers/media/dvb-frontends/cxd2841er.c
@@ -311,12 +311,8 @@ static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv,
static u32 cxd2841er_calc_iffreq_xtal(enum cxd2841er_xtal xtal, u32 ifhz)
{
- u64 tmp;
-
- tmp = (u64) ifhz * 16777216;
- do_div(tmp, ((xtal == SONY_XTAL_24000) ? 48000000 : 41000000));
-
- return (u32) tmp;
+ return div_u64(ifhz * 16777216ull,
+ (xtal == SONY_XTAL_24000) ? 48000000 : 41000000);
}
static u32 cxd2841er_calc_iffreq(u32 ifhz)
diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
index 5a650facae41..ae33d1ecf835 100644
--- a/drivers/media/i2c/ds90ub913.c
+++ b/drivers/media/i2c/ds90ub913.c
@@ -8,6 +8,7 @@
* Copyright (c) 2023 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
*/
+#include <linux/bitfield.h>
#include <linux/clk-provider.h>
#include <linux/clk.h>
#include <linux/delay.h>
@@ -146,6 +147,19 @@ static int ub913_write(const struct ub913_data *priv, u8 reg, u8 val)
return ret;
}
+static int ub913_update_bits(const struct ub913_data *priv, u8 reg, u8 mask,
+ u8 val)
+{
+ int ret;
+
+ ret = regmap_update_bits(priv->regmap, reg, mask, val);
+ if (ret < 0)
+ dev_err(&priv->client->dev,
+ "Cannot update register 0x%02x %d!\n", reg, ret);
+
+ return ret;
+}
+
/*
* GPIO chip
*/
@@ -733,10 +747,13 @@ static int ub913_hw_init(struct ub913_data *priv)
if (ret)
return dev_err_probe(dev, ret, "i2c master init failed\n");
- ub913_read(priv, UB913_REG_GENERAL_CFG, &v);
- v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING;
- v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0;
- ub913_write(priv, UB913_REG_GENERAL_CFG, v);
+ ret = ub913_update_bits(priv, UB913_REG_GENERAL_CFG,
+ UB913_REG_GENERAL_CFG_PCLK_RISING,
+ FIELD_PREP(UB913_REG_GENERAL_CFG_PCLK_RISING,
+ priv->pclk_polarity_rising));
+
+ if (ret)
+ return ret;
return 0;
}
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 1dd29137d2d9..007c95ac34d9 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -398,8 +398,13 @@ static int ub953_gpiochip_probe(struct ub953_data *priv)
int ret;
/* Set all GPIOs to local input mode */
- ub953_write(priv, UB953_REG_LOCAL_GPIO_DATA, 0);
- ub953_write(priv, UB953_REG_GPIO_INPUT_CTRL, 0xf);
+ ret = ub953_write(priv, UB953_REG_LOCAL_GPIO_DATA, 0);
+ if (ret)
+ return ret;
+
+ ret = ub953_write(priv, UB953_REG_GPIO_INPUT_CTRL, 0xf);
+ if (ret)
+ return ret;
gc->label = dev_name(dev);
gc->parent = dev;
@@ -961,10 +966,11 @@ static void ub953_calc_clkout_params(struct ub953_data *priv,
clkout_data->rate = clkout_rate;
}
-static void ub953_write_clkout_regs(struct ub953_data *priv,
- const struct ub953_clkout_data *clkout_data)
+static int ub953_write_clkout_regs(struct ub953_data *priv,
+ const struct ub953_clkout_data *clkout_data)
{
u8 clkout_ctrl0, clkout_ctrl1;
+ int ret;
if (priv->hw_data->is_ub971)
clkout_ctrl0 = clkout_data->m;
@@ -974,8 +980,15 @@ static void ub953_write_clkout_regs(struct ub953_data *priv,
clkout_ctrl1 = clkout_data->n;
- ub953_write(priv, UB953_REG_CLKOUT_CTRL0, clkout_ctrl0);
- ub953_write(priv, UB953_REG_CLKOUT_CTRL1, clkout_ctrl1);
+ ret = ub953_write(priv, UB953_REG_CLKOUT_CTRL0, clkout_ctrl0);
+ if (ret)
+ return ret;
+
+ ret = ub953_write(priv, UB953_REG_CLKOUT_CTRL1, clkout_ctrl1);
+ if (ret)
+ return ret;
+
+ return 0;
}
static unsigned long ub953_clkout_recalc_rate(struct clk_hw *hw,
@@ -1055,9 +1068,7 @@ static int ub953_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
dev_dbg(&priv->client->dev, "%s %lu (requested %lu)\n", __func__,
clkout_data.rate, rate);
- ub953_write_clkout_regs(priv, &clkout_data);
-
- return 0;
+ return ub953_write_clkout_regs(priv, &clkout_data);
}
static const struct clk_ops ub953_clkout_ops = {
@@ -1082,7 +1093,9 @@ static int ub953_register_clkout(struct ub953_data *priv)
/* Initialize clkout to 25MHz by default */
ub953_calc_clkout_params(priv, UB953_DEFAULT_CLKOUT_RATE, &clkout_data);
- ub953_write_clkout_regs(priv, &clkout_data);
+ ret = ub953_write_clkout_regs(priv, &clkout_data);
+ if (ret)
+ return ret;
priv->clkout_clk_hw.init = &init;
@@ -1229,10 +1242,15 @@ static int ub953_hw_init(struct ub953_data *priv)
if (ret)
return dev_err_probe(dev, ret, "i2c init failed\n");
- ub953_write(priv, UB953_REG_GENERAL_CFG,
- (priv->non_continous_clk ? 0 : UB953_REG_GENERAL_CFG_CONT_CLK) |
- ((priv->num_data_lanes - 1) << UB953_REG_GENERAL_CFG_CSI_LANE_SEL_SHIFT) |
- UB953_REG_GENERAL_CFG_CRC_TX_GEN_ENABLE);
+ v = 0;
+ v |= priv->non_continous_clk ? 0 : UB953_REG_GENERAL_CFG_CONT_CLK;
+ v |= (priv->num_data_lanes - 1) <<
+ UB953_REG_GENERAL_CFG_CSI_LANE_SEL_SHIFT;
+ v |= UB953_REG_GENERAL_CFG_CRC_TX_GEN_ENABLE;
+
+ ret = ub953_write(priv, UB953_REG_GENERAL_CFG, v);
+ if (ret)
+ return ret;
return 0;
}
diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
index 8b04e12af286..6e030584d598 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
@@ -191,10 +191,11 @@ static int vidtv_start_streaming(struct vidtv_dvb *dvb)
mux_args.mux_buf_sz = mux_buf_sz;
- dvb->streaming = true;
dvb->mux = vidtv_mux_init(dvb->fe[0], dev, &mux_args);
if (!dvb->mux)
return -ENOMEM;
+
+ dvb->streaming = true;
vidtv_mux_start_thread(dvb->mux);
dev_dbg_ratelimited(dev, "Started streaming\n");
@@ -205,6 +206,11 @@ static int vidtv_stop_streaming(struct vidtv_dvb *dvb)
{
struct device *dev = &dvb->pdev->dev;
+ if (!dvb->streaming) {
+ dev_warn_ratelimited(dev, "No streaming. Skipping.\n");
+ return 0;
+ }
+
dvb->streaming = false;
vidtv_mux_stop_thread(dvb->mux);
vidtv_mux_destroy(dvb->mux);
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 95c5b90f3e7c..ae2e8bd2b3f7 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2886,6 +2886,15 @@ static const struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = (kernel_ulong_t)&uvc_quirk_probe_minmax },
+ /* Sonix Technology Co. Ltd. - 292A IPC AR0330 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x0c45,
+ .idProduct = 0x6366,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_MJPEG_NO_EOF) },
/* MT6227 */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2914,6 +2923,15 @@ static const struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = (kernel_ulong_t)&uvc_quirk_probe_minmax },
+ /* Kurokesu C1 PRO */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x16d0,
+ .idProduct = 0x0ed1,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_MJPEG_NO_EOF) },
/* Syntek (HP Spartan) */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index a2504e1e991b..9572fdfe74f2 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -20,6 +20,7 @@
#include <linux/atomic.h>
#include <asm/unaligned.h>
+#include <media/jpeg.h>
#include <media/v4l2-common.h>
#include "uvcvideo.h"
@@ -1114,6 +1115,7 @@ static void uvc_video_stats_stop(struct uvc_streaming *stream)
static int uvc_video_decode_start(struct uvc_streaming *stream,
struct uvc_buffer *buf, const u8 *data, int len)
{
+ u8 header_len;
u8 fid;
/*
@@ -1127,6 +1129,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
return -EINVAL;
}
+ header_len = data[0];
fid = data[1] & UVC_STREAM_FID;
/*
@@ -1208,9 +1211,31 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
return -EAGAIN;
}
+ /*
+ * Some cameras, when running two parallel streams (one MJPEG alongside
+ * another non-MJPEG stream), are known to lose the EOF packet for a frame.
+ * We can detect the end of a frame by checking for a new SOI marker, as
+ * the SOI always lies on the packet boundary between two frames for
+ * these devices.
+ */
+ if (stream->dev->quirks & UVC_QUIRK_MJPEG_NO_EOF &&
+ (stream->cur_format->fcc == V4L2_PIX_FMT_MJPEG ||
+ stream->cur_format->fcc == V4L2_PIX_FMT_JPEG)) {
+ const u8 *packet = data + header_len;
+
+ if (len >= header_len + 2 &&
+ packet[0] == 0xff && packet[1] == JPEG_MARKER_SOI &&
+ buf->bytesused != 0) {
+ buf->state = UVC_BUF_STATE_READY;
+ buf->error = 1;
+ stream->last_fid ^= UVC_STREAM_FID;
+ return -EAGAIN;
+ }
+ }
+
stream->last_fid = fid;
- return data[0];
+ return header_len;
}
static inline enum dma_data_direction uvc_stream_dir(
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 997f4b5b5e22..30fd056b2aec 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -76,6 +76,7 @@
#define UVC_QUIRK_NO_RESET_RESUME 0x00004000
#define UVC_QUIRK_DISABLE_AUTOSUSPEND 0x00008000
#define UVC_QUIRK_INVALID_DEVICE_SOF 0x00010000
+#define UVC_QUIRK_MJPEG_NO_EOF 0x00020000
/* Format flags */
#define UVC_FMT_FLAG_COMPRESSED 0x00000001
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 4f4b7607eaa9..02f3748e46c1 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -260,6 +260,7 @@
#define MSDC_PAD_TUNE_CMD_SEL BIT(21) /* RW */
#define PAD_DS_TUNE_DLY_SEL BIT(0) /* RW */
+#define PAD_DS_TUNE_DLY2_SEL BIT(1) /* RW */
#define PAD_DS_TUNE_DLY1 GENMASK(6, 2) /* RW */
#define PAD_DS_TUNE_DLY2 GENMASK(11, 7) /* RW */
#define PAD_DS_TUNE_DLY3 GENMASK(16, 12) /* RW */
@@ -305,6 +306,7 @@
/* EMMC50_PAD_DS_TUNE mask */
#define PAD_DS_DLY_SEL BIT(16) /* RW */
+#define PAD_DS_DLY2_SEL BIT(15) /* RW */
#define PAD_DS_DLY1 GENMASK(14, 10) /* RW */
#define PAD_DS_DLY3 GENMASK(4, 0) /* RW */
@@ -2309,13 +2311,23 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode)
static int msdc_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct msdc_host *host = mmc_priv(mmc);
+
host->hs400_mode = true;
- if (host->top_base)
- writel(host->hs400_ds_delay,
- host->top_base + EMMC50_PAD_DS_TUNE);
- else
- writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE);
+ if (host->top_base) {
+ if (host->hs400_ds_dly3)
+ sdr_set_field(host->top_base + EMMC50_PAD_DS_TUNE,
+ PAD_DS_DLY3, host->hs400_ds_dly3);
+ if (host->hs400_ds_delay)
+ writel(host->hs400_ds_delay,
+ host->top_base + EMMC50_PAD_DS_TUNE);
+ } else {
+ if (host->hs400_ds_dly3)
+ sdr_set_field(host->base + PAD_DS_TUNE,
+ PAD_DS_TUNE_DLY3, host->hs400_ds_dly3);
+ if (host->hs400_ds_delay)
+ writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE);
+ }
/* hs400 mode must set it to 0 */
sdr_clr_bits(host->base + MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS);
/* to improve read performance, set outstanding to 2 */
@@ -2335,14 +2347,11 @@ static int msdc_execute_hs400_tuning(struct mmc_host *mmc, struct mmc_card *card
if (host->top_base) {
sdr_set_bits(host->top_base + EMMC50_PAD_DS_TUNE,
PAD_DS_DLY_SEL);
- if (host->hs400_ds_dly3)
- sdr_set_field(host->top_base + EMMC50_PAD_DS_TUNE,
- PAD_DS_DLY3, host->hs400_ds_dly3);
+ sdr_clr_bits(host->top_base + EMMC50_PAD_DS_TUNE,
+ PAD_DS_DLY2_SEL);
} else {
sdr_set_bits(host->base + PAD_DS_TUNE, PAD_DS_TUNE_DLY_SEL);
- if (host->hs400_ds_dly3)
- sdr_set_field(host->base + PAD_DS_TUNE,
- PAD_DS_TUNE_DLY3, host->hs400_ds_dly3);
+ sdr_clr_bits(host->base + PAD_DS_TUNE, PAD_DS_TUNE_DLY2_SEL);
}
host->hs400_tuning = true;
diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index f44ba2600415..7f405bcf11c2 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -394,15 +394,16 @@ static int c_can_plat_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
KBUILD_MODNAME, ret);
- goto exit_free_device;
+ goto exit_pm_runtime;
}
dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n",
KBUILD_MODNAME, priv->base, dev->irq);
return 0;
-exit_free_device:
+exit_pm_runtime:
pm_runtime_disable(priv->device);
+exit_free_device:
free_c_can_dev(dev);
exit:
dev_err(&pdev->dev, "probe failed\n");
diff --git a/drivers/net/can/ctucanfd/ctucanfd_base.c b/drivers/net/can/ctucanfd/ctucanfd_base.c
index 64c349fd4600..f65c1a1e05cc 100644
--- a/drivers/net/can/ctucanfd/ctucanfd_base.c
+++ b/drivers/net/can/ctucanfd/ctucanfd_base.c
@@ -867,10 +867,12 @@ static void ctucan_err_interrupt(struct net_device *ndev, u32 isr)
}
break;
case CAN_STATE_ERROR_ACTIVE:
- cf->can_id |= CAN_ERR_CNT;
- cf->data[1] = CAN_ERR_CRTL_ACTIVE;
- cf->data[6] = bec.txerr;
- cf->data[7] = bec.rxerr;
+ if (skb) {
+ cf->can_id |= CAN_ERR_CNT;
+ cf->data[1] = CAN_ERR_CRTL_ACTIVE;
+ cf->data[6] = bec.txerr;
+ cf->data[7] = bec.rxerr;
+ }
break;
default:
netdev_warn(ndev, "unhandled error state (%d:%s)!\n",
diff --git a/drivers/net/can/usb/etas_es58x/es58x_devlink.c b/drivers/net/can/usb/etas_es58x/es58x_devlink.c
index 635edeb8f68c..e763a9904bed 100644
--- a/drivers/net/can/usb/etas_es58x/es58x_devlink.c
+++ b/drivers/net/can/usb/etas_es58x/es58x_devlink.c
@@ -248,7 +248,11 @@ static int es58x_devlink_info_get(struct devlink *devlink,
return ret;
}
- return devlink_info_serial_number_put(req, es58x_dev->udev->serial);
+ if (es58x_dev->udev->serial)
+ ret = devlink_info_serial_number_put(req,
+ es58x_dev->udev->serial);
+
+ return ret;
}
const struct devlink_ops es58x_dl_ops = {
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 91a4722460f6..ae93b45cf55e 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -1096,6 +1096,7 @@ static int igc_init_empty_frame(struct igc_ring *ring,
return -ENOMEM;
}
+ buffer->type = IGC_TX_BUFFER_TYPE_SKB;
buffer->skb = skb;
buffer->protocol = 0;
buffer->bytecount = skb->len;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
index 472830d07ac1..13b5281d676b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
@@ -768,7 +768,9 @@ static void __mlxsw_sp_port_get_stats(struct net_device *dev,
err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp);
if (err)
return;
- mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
+ err = mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
+ if (err)
+ return;
for (i = 0; i < len; i++) {
data[data_index + i] = hw_stats[i].getter(ppcnt_pl);
if (!hw_stats[i].cells_bytes)
diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c
index 3612b0633bd1..88187dd4eb2d 100644
--- a/drivers/net/netdevsim/ipsec.c
+++ b/drivers/net/netdevsim/ipsec.c
@@ -39,10 +39,14 @@ static ssize_t nsim_dbg_netdev_ops_read(struct file *filp,
if (!sap->used)
continue;
- p += scnprintf(p, bufsize - (p - buf),
- "sa[%i] %cx ipaddr=0x%08x %08x %08x %08x\n",
- i, (sap->rx ? 'r' : 't'), sap->ipaddr[0],
- sap->ipaddr[1], sap->ipaddr[2], sap->ipaddr[3]);
+ if (sap->xs->props.family == AF_INET6)
+ p += scnprintf(p, bufsize - (p - buf),
+ "sa[%i] %cx ipaddr=%pI6c\n",
+ i, (sap->rx ? 'r' : 't'), &sap->ipaddr);
+ else
+ p += scnprintf(p, bufsize - (p - buf),
+ "sa[%i] %cx ipaddr=%pI4\n",
+ i, (sap->rx ? 'r' : 't'), &sap->ipaddr[3]);
p += scnprintf(p, bufsize - (p - buf),
"sa[%i] spi=0x%08x proto=0x%x salt=0x%08x crypt=%d\n",
i, be32_to_cpu(sap->xs->id.spi),
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 46a7c9fb6300..1ce3bccd4ebd 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2657,7 +2657,9 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
ctx.data.u32_val = nla_get_u32(attr_data);
break;
case TEAM_OPTION_TYPE_STRING:
- if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) {
+ if (nla_len(attr_data) > TEAM_STRING_MAX_LEN ||
+ !memchr(nla_data(attr_data), '\0',
+ nla_len(attr_data))) {
err = -EINVAL;
goto team_put;
}
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index ee02a92338da..64db3e98a1b6 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -2966,8 +2966,11 @@ static int vxlan_init(struct net_device *dev)
struct vxlan_dev *vxlan = netdev_priv(dev);
int err;
- if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)
- vxlan_vnigroup_init(vxlan);
+ if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {
+ err = vxlan_vnigroup_init(vxlan);
+ if (err)
+ return err;
+ }
dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats) {
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index 9105fdd14c66..c977dfbae0a4 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -4418,6 +4418,22 @@ static struct ath12k_reg_rule
return reg_rule_ptr;
}
+static u8 ath12k_wmi_ignore_num_extra_rules(struct ath12k_wmi_reg_rule_ext_params *rule,
+ u32 num_reg_rules)
+{
+ u8 num_invalid_5ghz_rules = 0;
+ u32 count, start_freq;
+
+ for (count = 0; count < num_reg_rules; count++) {
+ start_freq = le32_get_bits(rule[count].freq_info, REG_RULE_START_FREQ);
+
+ if (start_freq >= ATH12K_MIN_6G_FREQ)
+ num_invalid_5ghz_rules++;
+ }
+
+ return num_invalid_5ghz_rules;
+}
+
static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab,
struct sk_buff *skb,
struct ath12k_reg_info *reg_info)
@@ -4428,6 +4444,7 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab,
u32 num_2g_reg_rules, num_5g_reg_rules;
u32 num_6g_reg_rules_ap[WMI_REG_CURRENT_MAX_AP_TYPE];
u32 num_6g_reg_rules_cl[WMI_REG_CURRENT_MAX_AP_TYPE][WMI_REG_MAX_CLIENT_TYPE];
+ u8 num_invalid_5ghz_ext_rules;
u32 total_reg_rules = 0;
int ret, i, j;
@@ -4521,20 +4538,6 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab,
memcpy(reg_info->alpha2, &ev->alpha2, REG_ALPHA2_LEN);
- /* FIXME: Currently FW includes 6G reg rule also in 5G rule
- * list for country US.
- * Having same 6G reg rule in 5G and 6G rules list causes
- * intersect check to be true, and same rules will be shown
- * multiple times in iw cmd. So added hack below to avoid
- * parsing 6G rule from 5G reg rule list, and this can be
- * removed later, after FW updates to remove 6G reg rule
- * from 5G rules list.
- */
- if (memcmp(reg_info->alpha2, "US", 2) == 0) {
- reg_info->num_5g_reg_rules = REG_US_5G_NUM_REG_RULES;
- num_5g_reg_rules = reg_info->num_5g_reg_rules;
- }
-
reg_info->dfs_region = le32_to_cpu(ev->dfs_region);
reg_info->phybitmap = le32_to_cpu(ev->phybitmap);
reg_info->num_phy = le32_to_cpu(ev->num_phy);
@@ -4636,8 +4639,29 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab,
}
}
+ ext_wmi_reg_rule += num_2g_reg_rules;
+
+ /* Firmware might include 6 GHz reg rule in 5 GHz rule list
+ * for few countries along with separate 6 GHz rule.
+ * Having same 6 GHz reg rule in 5 GHz and 6 GHz rules list
+ * causes intersect check to be true, and same rules will be
+ * shown multiple times in iw cmd.
+ * Hence, avoid parsing 6 GHz rule from 5 GHz reg rule list
+ */
+ num_invalid_5ghz_ext_rules = ath12k_wmi_ignore_num_extra_rules(ext_wmi_reg_rule,
+ num_5g_reg_rules);
+
+ if (num_invalid_5ghz_ext_rules) {
+ ath12k_dbg(ab, ATH12K_DBG_WMI,
+ "CC: %s 5 GHz reg rules number %d from fw, %d number of invalid 5 GHz rules",
+ reg_info->alpha2, reg_info->num_5g_reg_rules,
+ num_invalid_5ghz_ext_rules);
+
+ num_5g_reg_rules = num_5g_reg_rules - num_invalid_5ghz_ext_rules;
+ reg_info->num_5g_reg_rules = num_5g_reg_rules;
+ }
+
if (num_5g_reg_rules) {
- ext_wmi_reg_rule += num_2g_reg_rules;
reg_info->reg_rules_5g_ptr =
create_ext_reg_rules_from_wmi(num_5g_reg_rules,
ext_wmi_reg_rule);
@@ -4649,7 +4673,12 @@ static int ath12k_pull_reg_chan_list_ext_update_ev(struct ath12k_base *ab,
}
}
- ext_wmi_reg_rule += num_5g_reg_rules;
+ /* We have adjusted the number of 5 GHz reg rules above. But still those
+ * many rules needs to be adjusted in ext_wmi_reg_rule.
+ *
+ * NOTE: num_invalid_5ghz_ext_rules will be 0 for rest other cases.
+ */
+ ext_wmi_reg_rule += (num_5g_reg_rules + num_invalid_5ghz_ext_rules);
for (i = 0; i < WMI_REG_CURRENT_MAX_AP_TYPE; i++) {
reg_info->reg_rules_6g_ap_ptr[i] =
diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h
index a19a2c29f226..4cfcc83f5226 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.h
+++ b/drivers/net/wireless/ath/ath12k/wmi.h
@@ -3891,7 +3891,6 @@ struct ath12k_wmi_eht_rate_set_params {
#define MAX_REG_RULES 10
#define REG_ALPHA2_LEN 2
#define MAX_6G_REG_RULES 5
-#define REG_US_5G_NUM_REG_RULES 4
enum wmi_start_event_param {
WMI_VDEV_START_RESP_EVENT = 0,
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index fd35ad0648a0..70f484b811de 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5978,6 +5978,17 @@ SWITCHTEC_QUIRK(0x5552); /* PAXA 52XG5 */
SWITCHTEC_QUIRK(0x5536); /* PAXA 36XG5 */
SWITCHTEC_QUIRK(0x5528); /* PAXA 28XG5 */
+#define SWITCHTEC_PCI100X_QUIRK(vid) \
+ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_EFAR, vid, \
+ PCI_CLASS_BRIDGE_OTHER, 8, quirk_switchtec_ntb_dma_alias)
+SWITCHTEC_PCI100X_QUIRK(0x1001); /* PCI1001XG4 */
+SWITCHTEC_PCI100X_QUIRK(0x1002); /* PCI1002XG4 */
+SWITCHTEC_PCI100X_QUIRK(0x1003); /* PCI1003XG4 */
+SWITCHTEC_PCI100X_QUIRK(0x1004); /* PCI1004XG4 */
+SWITCHTEC_PCI100X_QUIRK(0x1005); /* PCI1005XG4 */
+SWITCHTEC_PCI100X_QUIRK(0x1006); /* PCI1006XG4 */
+
+
/*
* The PLX NTB uses devfn proxy IDs to move TLPs between NT endpoints.
* These IDs are used to forward responses to the originator on the other
@@ -6247,6 +6258,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2b, dpc_log_size);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2d, dpc_log_size);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2f, dpc_log_size);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a31, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa72f, dpc_log_size);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa73f, dpc_log_size);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa76e, dpc_log_size);
#endif
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 5a4adf6c04cf..455fa5035a24 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1737,6 +1737,26 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
.driver_data = gen, \
}
+#define SWITCHTEC_PCI100X_DEVICE(device_id, gen) \
+ { \
+ .vendor = PCI_VENDOR_ID_EFAR, \
+ .device = device_id, \
+ .subvendor = PCI_ANY_ID, \
+ .subdevice = PCI_ANY_ID, \
+ .class = (PCI_CLASS_MEMORY_OTHER << 8), \
+ .class_mask = 0xFFFFFFFF, \
+ .driver_data = gen, \
+ }, \
+ { \
+ .vendor = PCI_VENDOR_ID_EFAR, \
+ .device = device_id, \
+ .subvendor = PCI_ANY_ID, \
+ .subdevice = PCI_ANY_ID, \
+ .class = (PCI_CLASS_BRIDGE_OTHER << 8), \
+ .class_mask = 0xFFFFFFFF, \
+ .driver_data = gen, \
+ }
+
static const struct pci_device_id switchtec_pci_tbl[] = {
SWITCHTEC_PCI_DEVICE(0x8531, SWITCHTEC_GEN3), /* PFX 24xG3 */
SWITCHTEC_PCI_DEVICE(0x8532, SWITCHTEC_GEN3), /* PFX 32xG3 */
@@ -1831,6 +1851,12 @@ static const struct pci_device_id switchtec_pci_tbl[] = {
SWITCHTEC_PCI_DEVICE(0x5552, SWITCHTEC_GEN5), /* PAXA 52XG5 */
SWITCHTEC_PCI_DEVICE(0x5536, SWITCHTEC_GEN5), /* PAXA 36XG5 */
SWITCHTEC_PCI_DEVICE(0x5528, SWITCHTEC_GEN5), /* PAXA 28XG5 */
+ SWITCHTEC_PCI100X_DEVICE(0x1001, SWITCHTEC_GEN4), /* PCI1001 16XG4 */
+ SWITCHTEC_PCI100X_DEVICE(0x1002, SWITCHTEC_GEN4), /* PCI1002 12XG4 */
+ SWITCHTEC_PCI100X_DEVICE(0x1003, SWITCHTEC_GEN4), /* PCI1003 16XG4 */
+ SWITCHTEC_PCI100X_DEVICE(0x1004, SWITCHTEC_GEN4), /* PCI1004 16XG4 */
+ SWITCHTEC_PCI100X_DEVICE(0x1005, SWITCHTEC_GEN4), /* PCI1005 16XG4 */
+ SWITCHTEC_PCI100X_DEVICE(0x1006, SWITCHTEC_GEN4), /* PCI1006 16XG4 */
{0}
};
MODULE_DEVICE_TABLE(pci, switchtec_pci_tbl);
diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c
index f2b9db66fdb6..d2488d80912c 100644
--- a/drivers/pinctrl/pinctrl-cy8c95x0.c
+++ b/drivers/pinctrl/pinctrl-cy8c95x0.c
@@ -1281,7 +1281,7 @@ static int cy8c95x0_irq_setup(struct cy8c95x0_pinctrl *chip, int irq)
ret = devm_request_threaded_irq(chip->dev, irq,
NULL, cy8c95x0_irq_handler,
- IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_HIGH,
+ IRQF_ONESHOT | IRQF_SHARED,
dev_name(chip->dev), chip);
if (ret) {
dev_err(chip->dev, "failed to request irq %d\n", irq);
diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c
index e94d46372a63..402cf939c032 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra30.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra30.c
@@ -646,15 +646,20 @@ static const struct nvmem_cell_lookup tegra234_fuse_lookups[] = {
};
static const struct nvmem_keepout tegra234_fuse_keepouts[] = {
- { .start = 0x01c, .end = 0x0c8 },
- { .start = 0x12c, .end = 0x184 },
+ { .start = 0x01c, .end = 0x064 },
+ { .start = 0x084, .end = 0x0a0 },
+ { .start = 0x0a4, .end = 0x0c8 },
+ { .start = 0x12c, .end = 0x164 },
+ { .start = 0x16c, .end = 0x184 },
{ .start = 0x190, .end = 0x198 },
{ .start = 0x1a0, .end = 0x204 },
- { .start = 0x21c, .end = 0x250 },
- { .start = 0x25c, .end = 0x2f0 },
+ { .start = 0x21c, .end = 0x2f0 },
{ .start = 0x310, .end = 0x3d8 },
- { .start = 0x400, .end = 0x4f0 },
- { .start = 0x4f8, .end = 0x7e8 },
+ { .start = 0x400, .end = 0x420 },
+ { .start = 0x444, .end = 0x490 },
+ { .start = 0x4bc, .end = 0x4f0 },
+ { .start = 0x4f8, .end = 0x54c },
+ { .start = 0x57c, .end = 0x7e8 },
{ .start = 0x8d0, .end = 0x8d8 },
{ .start = 0xacc, .end = 0xf00 }
};
diff --git a/drivers/spi/spi-sn-f-ospi.c b/drivers/spi/spi-sn-f-ospi.c
index a7c3b3923b4a..fd8c8eb37d01 100644
--- a/drivers/spi/spi-sn-f-ospi.c
+++ b/drivers/spi/spi-sn-f-ospi.c
@@ -116,6 +116,9 @@ struct f_ospi {
static u32 f_ospi_get_dummy_cycle(const struct spi_mem_op *op)
{
+ if (!op->dummy.nbytes)
+ return 0;
+
return (op->dummy.nbytes * 8) / op->dummy.buswidth;
}
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 1aa3e55c8b47..f76c9ecc51bc 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -350,6 +350,7 @@ static inline int is_omap1510_8250(struct uart_8250_port *pt)
#ifdef CONFIG_SERIAL_8250_DMA
extern int serial8250_tx_dma(struct uart_8250_port *);
+extern void serial8250_tx_dma_flush(struct uart_8250_port *);
extern int serial8250_rx_dma(struct uart_8250_port *);
extern void serial8250_rx_dma_flush(struct uart_8250_port *);
extern int serial8250_request_dma(struct uart_8250_port *);
@@ -382,6 +383,7 @@ static inline int serial8250_tx_dma(struct uart_8250_port *p)
{
return -1;
}
+static inline void serial8250_tx_dma_flush(struct uart_8250_port *p) { }
static inline int serial8250_rx_dma(struct uart_8250_port *p)
{
return -1;
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 7fa66501792d..7f23037813bc 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -139,6 +139,22 @@ int serial8250_tx_dma(struct uart_8250_port *p)
return ret;
}
+void serial8250_tx_dma_flush(struct uart_8250_port *p)
+{
+ struct uart_8250_dma *dma = p->dma;
+
+ if (!dma->tx_running)
+ return;
+
+ /*
+ * kfifo_reset() has been called by the serial core, avoid
+ * advancing and underflowing in __dma_tx_complete().
+ */
+ dma->tx_size = 0;
+
+ dmaengine_terminate_async(dma->rxchan);
+}
+
int serial8250_rx_dma(struct uart_8250_port *p)
{
struct uart_8250_dma *dma = p->dma;
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 2b1b2928ef7b..c2778300e151 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2557,6 +2557,14 @@ static unsigned int npcm_get_divisor(struct uart_8250_port *up,
return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2;
}
+static void serial8250_flush_buffer(struct uart_port *port)
+{
+ struct uart_8250_port *up = up_to_u8250p(port);
+
+ if (up->dma)
+ serial8250_tx_dma_flush(up);
+}
+
static unsigned int serial8250_do_get_divisor(struct uart_port *port,
unsigned int baud,
unsigned int *frac)
@@ -3260,6 +3268,7 @@ static const struct uart_ops serial8250_pops = {
.break_ctl = serial8250_break_ctl,
.startup = serial8250_startup,
.shutdown = serial8250_shutdown,
+ .flush_buffer = serial8250_flush_buffer,
.set_termios = serial8250_set_termios,
.set_ldisc = serial8250_set_ldisc,
.pm = serial8250_pm,
diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c
index 469ad26cde48..a21c28707703 100644
--- a/drivers/tty/serial/serial_port.c
+++ b/drivers/tty/serial/serial_port.c
@@ -172,6 +172,7 @@ EXPORT_SYMBOL(uart_remove_one_port);
* The caller is responsible to initialize the following fields of the @port
* ->dev (must be valid)
* ->flags
+ * ->iobase
* ->mapbase
* ->mapsize
* ->regshift (if @use_defaults is false)
@@ -213,7 +214,7 @@ static int __uart_read_properties(struct uart_port *port, bool use_defaults)
/* Read the registers I/O access type (default: MMIO 8-bit) */
ret = device_property_read_u32(dev, "reg-io-width", &value);
if (ret) {
- port->iotype = UPIO_MEM;
+ port->iotype = port->iobase ? UPIO_PORT : UPIO_MEM;
} else {
switch (value) {
case 1:
@@ -226,11 +227,11 @@ static int __uart_read_properties(struct uart_port *port, bool use_defaults)
port->iotype = device_is_big_endian(dev) ? UPIO_MEM32BE : UPIO_MEM32;
break;
default:
+ port->iotype = UPIO_UNKNOWN;
if (!use_defaults) {
dev_err(dev, "Unsupported reg-io-width (%u)\n", value);
return -EINVAL;
}
- port->iotype = UPIO_UNKNOWN;
break;
}
}
diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c
index f21423a7a6d7..8fbd46cd8c2b 100644
--- a/drivers/ufs/core/ufs_bsg.c
+++ b/drivers/ufs/core/ufs_bsg.c
@@ -216,6 +216,7 @@ void ufs_bsg_remove(struct ufs_hba *hba)
return;
bsg_remove_queue(hba->bsg_queue);
+ hba->bsg_queue = NULL;
device_del(bsg_dev);
put_device(bsg_dev);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 605fea461102..c1d7d87b32cc 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -371,7 +371,7 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf)
static void acm_ctrl_irq(struct urb *urb)
{
struct acm *acm = urb->context;
- struct usb_cdc_notification *dr = urb->transfer_buffer;
+ struct usb_cdc_notification *dr;
unsigned int current_size = urb->actual_length;
unsigned int expected_size, copy_size, alloc_size;
int retval;
@@ -398,14 +398,25 @@ static void acm_ctrl_irq(struct urb *urb)
usb_mark_last_busy(acm->dev);
- if (acm->nb_index)
+ if (acm->nb_index == 0) {
+ /*
+ * The first chunk of a message must contain at least the
+ * notification header with the length field, otherwise we
+ * can't get an expected_size.
+ */
+ if (current_size < sizeof(struct usb_cdc_notification)) {
+ dev_dbg(&acm->control->dev, "urb too short\n");
+ goto exit;
+ }
+ dr = urb->transfer_buffer;
+ } else {
dr = (struct usb_cdc_notification *)acm->notification_buffer;
-
+ }
/* size = notification-header + (optional) data */
expected_size = sizeof(struct usb_cdc_notification) +
le16_to_cpu(dr->wLength);
- if (current_size < expected_size) {
+ if (acm->nb_index != 0 || current_size < expected_size) {
/* notification is transmitted fragmented, reassemble */
if (acm->nb_size < expected_size) {
u8 *new_buffer;
@@ -1727,13 +1738,16 @@ static const struct usb_device_id acm_ids[] = {
{ USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
},
- { USB_DEVICE(0x045b, 0x023c), /* Renesas USB Download mode */
+ { USB_DEVICE(0x045b, 0x023c), /* Renesas R-Car H3 USB Download mode */
+ .driver_info = DISABLE_ECHO, /* Don't echo banner */
+ },
+ { USB_DEVICE(0x045b, 0x0247), /* Renesas R-Car D3 USB Download mode */
.driver_info = DISABLE_ECHO, /* Don't echo banner */
},
- { USB_DEVICE(0x045b, 0x0248), /* Renesas USB Download mode */
+ { USB_DEVICE(0x045b, 0x0248), /* Renesas R-Car M3-N USB Download mode */
.driver_info = DISABLE_ECHO, /* Don't echo banner */
},
- { USB_DEVICE(0x045b, 0x024D), /* Renesas USB Download mode */
+ { USB_DEVICE(0x045b, 0x024D), /* Renesas R-Car E3 USB Download mode */
.driver_info = DISABLE_ECHO, /* Don't echo banner */
},
{ USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; andrey.arapov@...il.com */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 0944cfae8b55..38f3f5a766df 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1818,6 +1818,17 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
desc = intf->cur_altsetting;
hdev = interface_to_usbdev(intf);
+ /*
+ * The USB 2.0 spec prohibits hubs from having more than one
+ * configuration or interface, and we rely on this prohibition.
+ * Refuse to accept a device that violates it.
+ */
+ if (hdev->descriptor.bNumConfigurations > 1 ||
+ hdev->actconfig->desc.bNumInterfaces > 1) {
+ dev_err(&intf->dev, "Invalid hub with more than one config or interface\n");
+ return -EINVAL;
+ }
+
/*
* Set default autosuspend delay as 0 to speedup bus suspend,
* based on the below considerations:
@@ -4666,7 +4677,6 @@ void usb_ep0_reinit(struct usb_device *udev)
EXPORT_SYMBOL_GPL(usb_ep0_reinit);
#define usb_sndaddr0pipe() (PIPE_CONTROL << 30)
-#define usb_rcvaddr0pipe() ((PIPE_CONTROL << 30) | USB_DIR_IN)
static int hub_set_address(struct usb_device *udev, int devnum)
{
@@ -4772,7 +4782,7 @@ static int get_bMaxPacketSize0(struct usb_device *udev,
for (i = 0; i < GET_MAXPACKET0_TRIES; ++i) {
/* Start with invalid values in case the transfer fails */
buf->bDescriptorType = buf->bMaxPacketSize0 = 0;
- rc = usb_control_msg(udev, usb_rcvaddr0pipe(),
+ rc = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
USB_DT_DEVICE << 8, 0,
buf, size,
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 13171454f959..027479179f09 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -432,6 +432,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x0c45, 0x7056), .driver_info =
USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+ /* Sony Xperia XZ1 Compact (lilac) smartphone in fastboot mode */
+ { USB_DEVICE(0x0fce, 0x0dde), .driver_info = USB_QUIRK_NO_LPM },
+
/* Action Semiconductor flash disk */
{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
@@ -522,6 +525,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Blackmagic Design UltraStudio SDI */
{ USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
+ /* Teclast disk */
+ { USB_DEVICE(0x1f75, 0x0917), .driver_info = USB_QUIRK_NO_LPM },
+
/* Hauppauge HVR-950q */
{ USB_DEVICE(0x2040, 0x7200), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index b26de09f6b6d..ce20c06a9025 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4612,6 +4612,7 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget)
spin_lock_irqsave(&hsotg->lock, flags);
hsotg->driver = NULL;
+ hsotg->gadget.dev.of_node = NULL;
hsotg->gadget.speed = USB_SPEED_UNKNOWN;
hsotg->enabled = 0;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 9b8099cba414..f6d9a9c67db4 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2618,10 +2618,38 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on)
{
u32 reg;
u32 timeout = 2000;
+ u32 saved_config = 0;
if (pm_runtime_suspended(dwc->dev))
return 0;
+ /*
+ * When operating in USB 2.0 speeds (HS/FS), ensure that
+ * GUSB2PHYCFG.ENBLSLPM and GUSB2PHYCFG.SUSPHY are cleared before starting
+ * or stopping the controller. This resolves timeout issues that occur
+ * during frequent role switches between host and device modes.
+ *
+ * Save and clear these settings, then restore them after completing the
+ * controller start or stop sequence.
+ *
+ * This solution was discovered through experimentation as it is not
+ * mentioned in the dwc3 programming guide. It has been tested on an
+ * Exynos platforms.
+ */
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
+ if (reg & DWC3_GUSB2PHYCFG_SUSPHY) {
+ saved_config |= DWC3_GUSB2PHYCFG_SUSPHY;
+ reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
+ }
+
+ if (reg & DWC3_GUSB2PHYCFG_ENBLSLPM) {
+ saved_config |= DWC3_GUSB2PHYCFG_ENBLSLPM;
+ reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
+ }
+
+ if (saved_config)
+ dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
+
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
if (is_on) {
if (DWC3_VER_IS_WITHIN(DWC3, ANY, 187A)) {
@@ -2649,6 +2677,12 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on)
reg &= DWC3_DSTS_DEVCTRLHLT;
} while (--timeout && !(!is_on ^ !reg));
+ if (saved_config) {
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
+ reg |= saved_config;
+ dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
+ }
+
if (!timeout)
return -ETIMEDOUT;
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 2d02f25f9597..49946af11a90 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -906,6 +906,15 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f)
status = -ENODEV;
+ /*
+ * Reset wMaxPacketSize with maximum packet size of FS bulk transfer before
+ * endpoint claim. This ensures that the wMaxPacketSize does not exceed the
+ * limit during bind retries where configured dwc3 TX/RX FIFO's maxpacket
+ * size of 512 bytes for IN/OUT endpoints in support HS speed only.
+ */
+ bulk_in_desc.wMaxPacketSize = cpu_to_le16(64);
+ bulk_out_desc.wMaxPacketSize = cpu_to_le16(64);
+
/* allocate instance-specific endpoints */
midi->in_ep = usb_ep_autoconfig(cdev->gadget, &bulk_in_desc);
if (!midi->in_ep)
@@ -999,11 +1008,11 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f)
}
/* configure the endpoint descriptors ... */
- ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
- ms_out_desc.bNumEmbMIDIJack = midi->in_ports;
+ ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
+ ms_out_desc.bNumEmbMIDIJack = midi->out_ports;
- ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
- ms_in_desc.bNumEmbMIDIJack = midi->out_ports;
+ ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
+ ms_in_desc.bNumEmbMIDIJack = midi->in_ports;
/* ... and add them to the list */
endpoint_descriptor_index = i;
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 3b01734ce1b7..a93ad93390ba 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -310,7 +310,7 @@ struct renesas_usb3_request {
struct list_head queue;
};
-#define USB3_EP_NAME_SIZE 8
+#define USB3_EP_NAME_SIZE 16
struct renesas_usb3_ep {
struct usb_ep ep;
struct renesas_usb3 *usb3;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 2665832f9add..b96d9062a083 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -946,6 +946,15 @@ static void quirk_usb_disable_ehci(struct pci_dev *pdev)
* booting from USB disk or using a usb keyboard
*/
hcc_params = readl(base + EHCI_HCC_PARAMS);
+
+ /* LS7A EHCI controller doesn't have extended capabilities, the
+ * EECP (EHCI Extended Capabilities Pointer) field of HCCPARAMS
+ * register should be 0x0 but it reads as 0xa0. So clear it to
+ * avoid error messages on boot.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_LOONGSON && pdev->device == 0x7a14)
+ hcc_params &= ~(0xffL << 8);
+
offset = (hcc_params >> 8) & 0xff;
while (offset && --count) {
pci_read_config_dword(pdev, offset, &cap);
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 70165dd86b5d..8664449ca2ff 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -355,14 +355,15 @@ usb_role_switch_register(struct device *parent,
dev_set_name(&sw->dev, "%s-role-switch",
desc->name ? desc->name : dev_name(parent));
+ sw->registered = true;
+
ret = device_register(&sw->dev);
if (ret) {
+ sw->registered = false;
put_device(&sw->dev);
return ERR_PTR(ret);
}
- sw->registered = true;
-
/* TODO: Symlinks for the host port and the device controller. */
return sw;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 86ac20e2874b..37ff48702e43 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -619,15 +619,6 @@ static void option_instat_callback(struct urb *urb);
/* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
#define LUAT_PRODUCT_AIR720U 0x4e00
-/* MeiG Smart Technology products */
-#define MEIGSMART_VENDOR_ID 0x2dee
-/* MeiG Smart SRM815/SRM825L based on Qualcomm 315 */
-#define MEIGSMART_PRODUCT_SRM825L 0x4d22
-/* MeiG Smart SLM320 based on UNISOC UIS8910 */
-#define MEIGSMART_PRODUCT_SLM320 0x4d41
-/* MeiG Smart SLM770A based on ASR1803 */
-#define MEIGSMART_PRODUCT_SLM770A 0x4d57
-
/* Device flags */
/* Highest interface number which can be used with NCTRL() and RSVD() */
@@ -1367,15 +1358,15 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
- { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1070, 0xff), /* Telit FN990 (rmnet) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1070, 0xff), /* Telit FN990A (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
- { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1071, 0xff), /* Telit FN990 (MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1071, 0xff), /* Telit FN990A (MBIM) */
.driver_info = NCTRL(0) | RSVD(1) },
- { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1072, 0xff), /* Telit FN990 (RNDIS) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1072, 0xff), /* Telit FN990A (RNDIS) */
.driver_info = NCTRL(2) | RSVD(3) },
- { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990 (ECM) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990A (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
- { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990 (PCIe) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990A (PCIe) */
.driver_info = RSVD(0) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1080, 0xff), /* Telit FE990 (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
@@ -1403,6 +1394,22 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | NCTRL(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c8, 0xff), /* Telit FE910C04 (rmnet) */
.driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d0, 0x60) }, /* Telit FN990B (rmnet) */
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d0, 0x40) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d0, 0x30),
+ .driver_info = NCTRL(5) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d1, 0x60) }, /* Telit FN990B (MBIM) */
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d1, 0x40) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d1, 0x30),
+ .driver_info = NCTRL(6) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d2, 0x60) }, /* Telit FN990B (RNDIS) */
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d2, 0x40) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d2, 0x30),
+ .driver_info = NCTRL(6) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d3, 0x60) }, /* Telit FN990B (ECM) */
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d3, 0x40) },
+ { USB_DEVICE_INTERFACE_PROTOCOL(TELIT_VENDOR_ID, 0x10d3, 0x30),
+ .driver_info = NCTRL(6) },
{ 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),
@@ -2347,6 +2354,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a05, 0xff) }, /* Fibocom FM650-CN (NCM mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a06, 0xff) }, /* Fibocom FM650-CN (RNDIS mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a07, 0xff) }, /* Fibocom FM650-CN (MBIM mode) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d41, 0xff, 0, 0) }, /* MeiG Smart SLM320 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d57, 0xff, 0, 0) }, /* MeiG Smart SLM770A */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0, 0) }, /* MeiG Smart SRM815 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0x10, 0x02) }, /* MeiG Smart SLM828 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0x10, 0x03) }, /* MeiG Smart SLM828 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0xff, 0x30) }, /* MeiG Smart SRM815 and SRM825L */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0xff, 0x40) }, /* MeiG Smart SRM825L */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d22, 0xff, 0xff, 0x60) }, /* MeiG Smart SRM825L */
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
@@ -2403,12 +2418,6 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM770A, 0xff, 0, 0) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0, 0) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },
- { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },
{ USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0530, 0xff), /* TCL IK512 MBIM */
.driver_info = NCTRL(1) },
{ USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0640, 0xff), /* TCL IK512 ECM */
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index e27de61ac9fe..8191c8fcfb25 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -16,6 +16,7 @@
#include <linux/io.h>
#include <linux/vfio.h>
#include <linux/vgaarb.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
#include "vfio_pci_priv.h"
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index d63c2d266d07..3bf1043cd795 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -393,11 +393,6 @@ static ssize_t vfio_platform_read_mmio(struct vfio_platform_region *reg,
count = min_t(size_t, count, reg->size - off);
- if (off >= reg->size)
- return -EINVAL;
-
- count = min_t(size_t, count, reg->size - off);
-
if (!reg->ioaddr) {
reg->ioaddr =
ioremap(reg->addr, reg->size);
@@ -482,11 +477,6 @@ static ssize_t vfio_platform_write_mmio(struct vfio_platform_region *reg,
count = min_t(size_t, count, reg->size - off);
- if (off >= reg->size)
- return -EINVAL;
-
- count = min_t(size_t, count, reg->size - off);
-
if (!reg->ioaddr) {
reg->ioaddr =
ioremap(reg->addr, reg->size);
diff --git a/drivers/video/fbdev/omap/lcd_dma.c b/drivers/video/fbdev/omap/lcd_dma.c
index f85817635a8c..0da23c57e475 100644
--- a/drivers/video/fbdev/omap/lcd_dma.c
+++ b/drivers/video/fbdev/omap/lcd_dma.c
@@ -432,8 +432,8 @@ static int __init omap_init_lcd_dma(void)
spin_lock_init(&lcd_dma.lock);
- r = request_irq(INT_DMA_LCD, lcd_dma_irq_handler, 0,
- "LCD DMA", NULL);
+ r = request_threaded_irq(INT_DMA_LCD, NULL, lcd_dma_irq_handler,
+ IRQF_ONESHOT, "LCD DMA", NULL);
if (r != 0)
pr_err("unable to request IRQ for LCD DMA (error %d)\n", r);
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 6d0d1c8a508b..b6e54ab3b6f3 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -74,19 +74,21 @@ static inline phys_addr_t xen_dma_to_phys(struct device *dev,
return xen_bus_to_phys(dev, dma_to_phys(dev, dma_addr));
}
+static inline bool range_requires_alignment(phys_addr_t p, size_t size)
+{
+ phys_addr_t algn = 1ULL << (get_order(size) + PAGE_SHIFT);
+ phys_addr_t bus_addr = pfn_to_bfn(XEN_PFN_DOWN(p)) << XEN_PAGE_SHIFT;
+
+ return IS_ALIGNED(p, algn) && !IS_ALIGNED(bus_addr, algn);
+}
+
static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
{
unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p);
unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size);
- phys_addr_t algn = 1ULL << (get_order(size) + PAGE_SHIFT);
next_bfn = pfn_to_bfn(xen_pfn);
- /* If buffer is physically aligned, ensure DMA alignment. */
- if (IS_ALIGNED(p, algn) &&
- !IS_ALIGNED((phys_addr_t)next_bfn << XEN_PAGE_SHIFT, algn))
- return 1;
-
for (i = 1; i < nr_pages; i++)
if (pfn_to_bfn(++xen_pfn) != ++next_bfn)
return 1;
@@ -155,7 +157,8 @@ xen_swiotlb_alloc_coherent(struct device *dev, size_t size,
*dma_handle = xen_phys_to_dma(dev, phys);
if (*dma_handle + size - 1 > dma_mask ||
- range_straddles_page_boundary(phys, size)) {
+ range_straddles_page_boundary(phys, size) ||
+ range_requires_alignment(phys, size)) {
if (xen_create_contiguous_region(phys, order, fls64(dma_mask),
dma_handle) != 0)
goto out_free_pages;
@@ -181,7 +184,8 @@ xen_swiotlb_free_coherent(struct device *dev, size_t size, void *vaddr,
size = ALIGN(size, XEN_PAGE_SIZE);
if (WARN_ON_ONCE(dma_handle + size - 1 > dev->coherent_dma_mask) ||
- WARN_ON_ONCE(range_straddles_page_boundary(phys, size)))
+ WARN_ON_ONCE(range_straddles_page_boundary(phys, size) ||
+ range_requires_alignment(phys, size)))
return;
if (TestClearPageXenRemapped(virt_to_page(vaddr)))
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c2d0c62b087c..68092b64e29e 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1134,7 +1134,6 @@ static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from,
loff_t pos = iocb->ki_pos;
int ret;
loff_t oldsize;
- loff_t start_pos;
/*
* Quickly bail out on NOWAIT writes if we don't have the nodatacow or
@@ -1158,9 +1157,8 @@ static int btrfs_write_check(struct kiocb *iocb, struct iov_iter *from,
*/
update_time_for_write(inode);
- start_pos = round_down(pos, fs_info->sectorsize);
oldsize = i_size_read(inode);
- if (start_pos > oldsize) {
+ if (pos > oldsize) {
/* Expand hole size to cover write data, preventing empty gap */
loff_t end_pos = round_up(pos + count, fs_info->sectorsize);
diff --git a/fs/nfs/sysfs.c b/fs/nfs/sysfs.c
index bf378ecd5d9f..7b59a40d40c0 100644
--- a/fs/nfs/sysfs.c
+++ b/fs/nfs/sysfs.c
@@ -280,9 +280,9 @@ void nfs_sysfs_link_rpc_client(struct nfs_server *server,
char name[RPC_CLIENT_NAME_SIZE];
int ret;
- strcpy(name, clnt->cl_program->name);
- strcat(name, uniq ? uniq : "");
- strcat(name, "_client");
+ strscpy(name, clnt->cl_program->name, sizeof(name));
+ strncat(name, uniq ? uniq : "", sizeof(name) - strlen(name) - 1);
+ strncat(name, "_client", sizeof(name) - strlen(name) - 1);
ret = sysfs_create_link_nowarn(&server->kobj,
&clnt->cl_sysfs->kobject, name);
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 12b2b9bc07bf..f1f32ad4f42c 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -84,6 +84,8 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
fail:
posix_acl_release(resp->acl_access);
posix_acl_release(resp->acl_default);
+ resp->acl_access = NULL;
+ resp->acl_default = NULL;
goto out;
}
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index 73adca47d373..d7af28f44504 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -76,6 +76,8 @@ static __be32 nfsd3_proc_getacl(struct svc_rqst *rqstp)
fail:
posix_acl_release(resp->acl_access);
posix_acl_release(resp->acl_default);
+ resp->acl_access = NULL;
+ resp->acl_default = NULL;
goto out;
}
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 875ea311ca3c..d47173d98eef 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1410,8 +1410,11 @@ nfsd4_run_cb_work(struct work_struct *work)
nfsd4_process_cb_update(cb);
clnt = clp->cl_cb_client;
- if (!clnt) {
- /* Callback channel broken, or client killed; give up: */
+ if (!clnt || clp->cl_state == NFSD4_COURTESY) {
+ /*
+ * Callback channel broken, client killed or
+ * nfs4_client in courtesy state; give up.
+ */
nfsd41_destroy_cb(cb);
return;
}
diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index 1b508f543384..fa41db088488 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -393,9 +393,9 @@ static ssize_t orangefs_debug_write(struct file *file,
* Thwart users who try to jamb a ridiculous number
* of bytes into the debug file...
*/
- if (count > ORANGEFS_MAX_DEBUG_STRING_LEN + 1) {
+ if (count > ORANGEFS_MAX_DEBUG_STRING_LEN) {
silly = count;
- count = ORANGEFS_MAX_DEBUG_STRING_LEN + 1;
+ count = ORANGEFS_MAX_DEBUG_STRING_LEN;
}
buf = kzalloc(ORANGEFS_MAX_DEBUG_STRING_LEN, GFP_KERNEL);
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 958ed7e89b30..1d482c2aabbd 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -849,12 +849,22 @@ static inline bool blk_mq_add_to_batch(struct request *req,
void (*complete)(struct io_comp_batch *))
{
/*
- * blk_mq_end_request_batch() can't end request allocated from
- * sched tags
+ * Check various conditions that exclude batch processing:
+ * 1) No batch container
+ * 2) Has scheduler data attached
+ * 3) Not a passthrough request and end_io set
+ * 4) Not a passthrough request and an ioerror
*/
- if (!iob || (req->rq_flags & RQF_SCHED_TAGS) || ioerror ||
- (req->end_io && !blk_rq_is_passthrough(req)))
+ if (!iob)
return false;
+ if (req->rq_flags & RQF_SCHED_TAGS)
+ return false;
+ if (!blk_rq_is_passthrough(req)) {
+ if (req->end_io)
+ return false;
+ if (ioerror < 0)
+ return false;
+ }
if (!iob->complete)
iob->complete = complete;
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 6eefe5153a6f..c0c2b26725d0 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -71,9 +71,6 @@ enum {
/* Cgroup is frozen. */
CGRP_FROZEN,
-
- /* Control group has to be killed. */
- CGRP_KILL,
};
/* cgroup_root->flags */
@@ -438,6 +435,9 @@ struct cgroup {
int nr_threaded_children; /* # of live threaded child cgroups */
+ /* sequence number for cgroup.kill, serialized by css_set_lock. */
+ unsigned int kill_seq;
+
struct kernfs_node *kn; /* cgroup kernfs entry */
struct cgroup_file procs_file; /* handle for "cgroup.procs" */
struct cgroup_file events_file; /* handle for "cgroup.events" */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 80b21d1c6eaf..7db1c0759c09 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -127,6 +127,7 @@ typedef struct {
#define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */
#define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* soft reserved */
#define EFI_MEMORY_CPU_CRYPTO ((u64)0x0000000000080000ULL) /* supports encryption */
+#define EFI_MEMORY_HOT_PLUGGABLE BIT_ULL(20) /* supports unplugging at runtime */
#define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
diff --git a/include/linux/i8253.h b/include/linux/i8253.h
index 8336b2f6f834..bf169cfef7f1 100644
--- a/include/linux/i8253.h
+++ b/include/linux/i8253.h
@@ -24,6 +24,7 @@ extern raw_spinlock_t i8253_lock;
extern bool i8253_clear_counter_on_shutdown;
extern struct clock_event_device i8253_clockevent;
extern void clockevent_i8253_init(bool oneshot);
+extern void clockevent_i8253_disable(void);
extern void setup_pit_timer(void);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8b5121eb8757..95ee88dfe0b9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2593,6 +2593,12 @@ struct net *dev_net(const struct net_device *dev)
return read_pnet(&dev->nd_net);
}
+static inline
+struct net *dev_net_rcu(const struct net_device *dev)
+{
+ return read_pnet_rcu(&dev->nd_net);
+}
+
static inline
void dev_net_set(struct net_device *dev, struct net *net)
{
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index a23af225c898..8dbecab4c400 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -41,6 +41,7 @@ struct kernel_clone_args {
void *fn_arg;
struct cgroup *cgrp;
struct css_set *cset;
+ unsigned int kill_seq;
};
/*
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index 031c661aa14d..bdfa9d414360 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -198,10 +198,12 @@ struct sk_buff *l3mdev_l3_out(struct sock *sk, struct sk_buff *skb, u16 proto)
if (netif_is_l3_slave(dev)) {
struct net_device *master;
+ rcu_read_lock();
master = netdev_master_upper_dev_get_rcu(dev);
if (master && master->l3mdev_ops->l3mdev_l3_out)
skb = master->l3mdev_ops->l3mdev_l3_out(master, sk,
skb, proto);
+ rcu_read_unlock();
}
return skb;
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 1befad79a673..ce3f84c6eb8e 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -369,21 +369,30 @@ static inline void put_net_track(struct net *net, netns_tracker *tracker)
typedef struct {
#ifdef CONFIG_NET_NS
- struct net *net;
+ struct net __rcu *net;
#endif
} possible_net_t;
static inline void write_pnet(possible_net_t *pnet, struct net *net)
{
#ifdef CONFIG_NET_NS
- pnet->net = net;
+ rcu_assign_pointer(pnet->net, net);
#endif
}
static inline struct net *read_pnet(const possible_net_t *pnet)
{
#ifdef CONFIG_NET_NS
- return pnet->net;
+ return rcu_dereference_protected(pnet->net, true);
+#else
+ return &init_net;
+#endif
+}
+
+static inline struct net *read_pnet_rcu(const possible_net_t *pnet)
+{
+#ifdef CONFIG_NET_NS
+ return rcu_dereference(pnet->net);
#else
return &init_net;
#endif
diff --git a/include/net/route.h b/include/net/route.h
index 51a45b1887b5..0171e9e1bbea 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -357,10 +357,15 @@ static inline int inet_iif(const struct sk_buff *skb)
static inline int ip4_dst_hoplimit(const struct dst_entry *dst)
{
int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
- struct net *net = dev_net(dst->dev);
- if (hoplimit == 0)
+ if (hoplimit == 0) {
+ const struct net *net;
+
+ rcu_read_lock();
+ net = dev_net_rcu(dst->dev);
hoplimit = READ_ONCE(net->ipv4.sysctl_ip_default_ttl);
+ rcu_read_unlock();
+ }
return hoplimit;
}
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 702c08c26cd4..b6fbae874f27 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -301,6 +301,12 @@ void io_destroy_buffers(struct io_ring_ctx *ctx)
}
}
+static void io_destroy_bl(struct io_ring_ctx *ctx, struct io_buffer_list *bl)
+{
+ xa_erase(&ctx->io_bl_xa, bl->bgid);
+ io_put_bl(ctx, bl);
+}
+
int io_remove_buffers_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
struct io_provide_buf *p = io_kiocb_to_cmd(req, struct io_provide_buf);
@@ -642,12 +648,13 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
/* if mapped buffer ring OR classic exists, don't allow */
if (bl->is_mapped || !list_empty(&bl->buf_list))
return -EEXIST;
- } else {
- free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL);
- if (!bl)
- return -ENOMEM;
+ io_destroy_bl(ctx, bl);
}
+ free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL);
+ if (!bl)
+ return -ENOMEM;
+
if (!(reg.flags & IOU_PBUF_RING_MMAP))
ret = io_pin_pbuf_ring(®, bl);
else
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 36097e8c904f..3ccf80dfa587 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3941,7 +3941,7 @@ static void __cgroup_kill(struct cgroup *cgrp)
lockdep_assert_held(&cgroup_mutex);
spin_lock_irq(&css_set_lock);
- set_bit(CGRP_KILL, &cgrp->flags);
+ cgrp->kill_seq++;
spin_unlock_irq(&css_set_lock);
css_task_iter_start(&cgrp->self, CSS_TASK_ITER_PROCS | CSS_TASK_ITER_THREADED, &it);
@@ -3957,10 +3957,6 @@ static void __cgroup_kill(struct cgroup *cgrp)
send_sig(SIGKILL, task, 0);
}
css_task_iter_end(&it);
-
- spin_lock_irq(&css_set_lock);
- clear_bit(CGRP_KILL, &cgrp->flags);
- spin_unlock_irq(&css_set_lock);
}
static void cgroup_kill(struct cgroup *cgrp)
@@ -6399,6 +6395,10 @@ static int cgroup_css_set_fork(struct kernel_clone_args *kargs)
spin_lock_irq(&css_set_lock);
cset = task_css_set(current);
get_css_set(cset);
+ if (kargs->cgrp)
+ kargs->kill_seq = kargs->cgrp->kill_seq;
+ else
+ kargs->kill_seq = cset->dfl_cgrp->kill_seq;
spin_unlock_irq(&css_set_lock);
if (!(kargs->flags & CLONE_INTO_CGROUP)) {
@@ -6582,6 +6582,7 @@ void cgroup_post_fork(struct task_struct *child,
struct kernel_clone_args *kargs)
__releases(&cgroup_threadgroup_rwsem) __releases(&cgroup_mutex)
{
+ unsigned int cgrp_kill_seq = 0;
unsigned long cgrp_flags = 0;
bool kill = false;
struct cgroup_subsys *ss;
@@ -6595,10 +6596,13 @@ void cgroup_post_fork(struct task_struct *child,
/* init tasks are special, only link regular threads */
if (likely(child->pid)) {
- if (kargs->cgrp)
+ if (kargs->cgrp) {
cgrp_flags = kargs->cgrp->flags;
- else
+ cgrp_kill_seq = kargs->cgrp->kill_seq;
+ } else {
cgrp_flags = cset->dfl_cgrp->flags;
+ cgrp_kill_seq = cset->dfl_cgrp->kill_seq;
+ }
WARN_ON_ONCE(!list_empty(&child->cg_list));
cset->nr_tasks++;
@@ -6633,7 +6637,7 @@ void cgroup_post_fork(struct task_struct *child,
* child down right after we finished preparing it for
* userspace.
*/
- kill = test_bit(CGRP_KILL, &cgrp_flags);
+ kill = kargs->kill_seq != cgrp_kill_seq;
}
spin_unlock_irq(&css_set_lock);
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index d80d7a608141..c32439b855f5 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -469,7 +469,6 @@ static void root_cgroup_cputime(struct cgroup_base_stat *bstat)
cputime->sum_exec_runtime += user;
cputime->sum_exec_runtime += sys;
- cputime->sum_exec_runtime += cpustat[CPUTIME_STEAL];
#ifdef CONFIG_SCHED_CORE
bstat->forceidle_sum += cpustat[CPUTIME_FORCEIDLE];
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index aa864999dc21..3130f24daf59 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -351,16 +351,18 @@ void clocksource_verify_percpu(struct clocksource *cs)
cpumask_clear(&cpus_ahead);
cpumask_clear(&cpus_behind);
cpus_read_lock();
- preempt_disable();
+ migrate_disable();
clocksource_verify_choose_cpus();
if (cpumask_empty(&cpus_chosen)) {
- preempt_enable();
+ migrate_enable();
cpus_read_unlock();
pr_warn("Not enough CPUs to check clocksource '%s'.\n", cs->name);
return;
}
testcpu = smp_processor_id();
- pr_warn("Checking clocksource %s synchronization from CPU %d to CPUs %*pbl.\n", cs->name, testcpu, cpumask_pr_args(&cpus_chosen));
+ pr_info("Checking clocksource %s synchronization from CPU %d to CPUs %*pbl.\n",
+ cs->name, testcpu, cpumask_pr_args(&cpus_chosen));
+ preempt_disable();
for_each_cpu(cpu, &cpus_chosen) {
if (cpu == testcpu)
continue;
@@ -380,6 +382,7 @@ void clocksource_verify_percpu(struct clocksource *cs)
cs_nsec_min = cs_nsec;
}
preempt_enable();
+ migrate_enable();
cpus_read_unlock();
if (!cpumask_empty(&cpus_ahead))
pr_warn(" CPUs %*pbl ahead of CPU %d for clocksource %s.\n",
diff --git a/mm/gup.c b/mm/gup.c
index fdd75384160d..69d259f7bf37 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1946,14 +1946,14 @@ struct page *get_dump_page(unsigned long addr)
/*
* Returns the number of collected pages. Return value is always >= 0.
*/
-static unsigned long collect_longterm_unpinnable_pages(
+static void collect_longterm_unpinnable_pages(
struct list_head *movable_page_list,
unsigned long nr_pages,
struct page **pages)
{
- unsigned long i, collected = 0;
struct folio *prev_folio = NULL;
bool drain_allow = true;
+ unsigned long i;
for (i = 0; i < nr_pages; i++) {
struct folio *folio = page_folio(pages[i]);
@@ -1965,8 +1965,6 @@ static unsigned long collect_longterm_unpinnable_pages(
if (folio_is_longterm_pinnable(folio))
continue;
- collected++;
-
if (folio_is_device_coherent(folio))
continue;
@@ -1988,8 +1986,6 @@ static unsigned long collect_longterm_unpinnable_pages(
NR_ISOLATED_ANON + folio_is_file_lru(folio),
folio_nr_pages(folio));
}
-
- return collected;
}
/*
@@ -2082,12 +2078,10 @@ static int migrate_longterm_unpinnable_pages(
static long check_and_migrate_movable_pages(unsigned long nr_pages,
struct page **pages)
{
- unsigned long collected;
LIST_HEAD(movable_page_list);
- collected = collect_longterm_unpinnable_pages(&movable_page_list,
- nr_pages, pages);
- if (!collected)
+ collect_longterm_unpinnable_pages(&movable_page_list, nr_pages, pages);
+ if (list_empty(&movable_page_list))
return 0;
return migrate_longterm_unpinnable_pages(&movable_page_list, nr_pages,
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 0f66dd8715bd..4a16142ac58a 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -685,6 +685,15 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname,
break;
}
+ if (ax25->ax25_dev) {
+ if (dev == ax25->ax25_dev->dev) {
+ rcu_read_unlock();
+ break;
+ }
+ netdev_put(ax25->ax25_dev->dev, &ax25->dev_tracker);
+ ax25_dev_put(ax25->ax25_dev);
+ }
+
ax25->ax25_dev = ax25_dev_ax25dev(dev);
if (!ax25->ax25_dev) {
rcu_read_unlock();
@@ -692,6 +701,8 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname,
break;
}
ax25_fillin_cb(ax25, ax25->ax25_dev);
+ netdev_hold(dev, &ax25->dev_tracker, GFP_ATOMIC);
+ ax25_dev_hold(ax25->ax25_dev);
rcu_read_unlock();
break;
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index ac11f1f08db0..d35479c465e2 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -113,8 +113,6 @@ static void
batadv_v_hardif_neigh_init(struct batadv_hardif_neigh_node *hardif_neigh)
{
ewma_throughput_init(&hardif_neigh->bat_v.throughput);
- INIT_WORK(&hardif_neigh->bat_v.metric_work,
- batadv_v_elp_throughput_metric_update);
}
/**
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 1d704574e6bf..b065578b4436 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -18,6 +18,7 @@
#include <linux/if_ether.h>
#include <linux/jiffies.h>
#include <linux/kref.h>
+#include <linux/list.h>
#include <linux/minmax.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
@@ -26,6 +27,7 @@
#include <linux/rcupdate.h>
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
+#include <linux/slab.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
@@ -41,6 +43,18 @@
#include "routing.h"
#include "send.h"
+/**
+ * struct batadv_v_metric_queue_entry - list of hardif neighbors which require
+ * and metric update
+ */
+struct batadv_v_metric_queue_entry {
+ /** @hardif_neigh: hardif neighbor scheduled for metric update */
+ struct batadv_hardif_neigh_node *hardif_neigh;
+
+ /** @list: list node for metric_queue */
+ struct list_head list;
+};
+
/**
* batadv_v_elp_start_timer() - restart timer for ELP periodic work
* @hard_iface: the interface for which the timer has to be reset
@@ -59,25 +73,36 @@ static void batadv_v_elp_start_timer(struct batadv_hard_iface *hard_iface)
/**
* batadv_v_elp_get_throughput() - get the throughput towards a neighbour
* @neigh: the neighbour for which the throughput has to be obtained
+ * @pthroughput: calculated throughput towards the given neighbour in multiples
+ * of 100kpbs (a value of '1' equals 0.1Mbps, '10' equals 1Mbps, etc).
*
- * Return: The throughput towards the given neighbour in multiples of 100kpbs
- * (a value of '1' equals 0.1Mbps, '10' equals 1Mbps, etc).
+ * Return: true when value behind @pthroughput was set
*/
-static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
+static bool batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh,
+ u32 *pthroughput)
{
struct batadv_hard_iface *hard_iface = neigh->if_incoming;
+ struct net_device *soft_iface = hard_iface->soft_iface;
struct ethtool_link_ksettings link_settings;
struct net_device *real_netdev;
struct station_info sinfo;
u32 throughput;
int ret;
+ /* don't query throughput when no longer associated with any
+ * batman-adv interface
+ */
+ if (!soft_iface)
+ return false;
+
/* if the user specified a customised value for this interface, then
* return it directly
*/
throughput = atomic_read(&hard_iface->bat_v.throughput_override);
- if (throughput != 0)
- return throughput;
+ if (throughput != 0) {
+ *pthroughput = throughput;
+ return true;
+ }
/* if this is a wireless device, then ask its throughput through
* cfg80211 API
@@ -104,27 +129,39 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
* possible to delete this neighbor. For now set
* the throughput metric to 0.
*/
- return 0;
+ *pthroughput = 0;
+ return true;
}
if (ret)
goto default_throughput;
- if (sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT))
- return sinfo.expected_throughput / 100;
+ if (sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT)) {
+ *pthroughput = sinfo.expected_throughput / 100;
+ return true;
+ }
/* try to estimate the expected throughput based on reported tx
* rates
*/
- if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))
- return cfg80211_calculate_bitrate(&sinfo.txrate) / 3;
+ if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE)) {
+ *pthroughput = cfg80211_calculate_bitrate(&sinfo.txrate) / 3;
+ return true;
+ }
goto default_throughput;
}
+ /* only use rtnl_trylock because the elp worker will be cancelled while
+ * the rntl_lock is held. the cancel_delayed_work_sync() would otherwise
+ * wait forever when the elp work_item was started and it is then also
+ * trying to rtnl_lock
+ */
+ if (!rtnl_trylock())
+ return false;
+
/* if not a wifi interface, check if this device provides data via
* ethtool (e.g. an Ethernet adapter)
*/
- rtnl_lock();
ret = __ethtool_get_link_ksettings(hard_iface->net_dev, &link_settings);
rtnl_unlock();
if (ret == 0) {
@@ -135,13 +172,15 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
hard_iface->bat_v.flags &= ~BATADV_FULL_DUPLEX;
throughput = link_settings.base.speed;
- if (throughput && throughput != SPEED_UNKNOWN)
- return throughput * 10;
+ if (throughput && throughput != SPEED_UNKNOWN) {
+ *pthroughput = throughput * 10;
+ return true;
+ }
}
default_throughput:
if (!(hard_iface->bat_v.flags & BATADV_WARNING_DEFAULT)) {
- batadv_info(hard_iface->soft_iface,
+ batadv_info(soft_iface,
"WiFi driver or ethtool info does not provide information about link speeds on interface %s, therefore defaulting to hardcoded throughput values of %u.%1u Mbps. Consider overriding the throughput manually or checking your driver.\n",
hard_iface->net_dev->name,
BATADV_THROUGHPUT_DEFAULT_VALUE / 10,
@@ -150,31 +189,26 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
}
/* if none of the above cases apply, return the base_throughput */
- return BATADV_THROUGHPUT_DEFAULT_VALUE;
+ *pthroughput = BATADV_THROUGHPUT_DEFAULT_VALUE;
+ return true;
}
/**
* batadv_v_elp_throughput_metric_update() - worker updating the throughput
* metric of a single hop neighbour
- * @work: the work queue item
+ * @neigh: the neighbour to probe
*/
-void batadv_v_elp_throughput_metric_update(struct work_struct *work)
+static void
+batadv_v_elp_throughput_metric_update(struct batadv_hardif_neigh_node *neigh)
{
- struct batadv_hardif_neigh_node_bat_v *neigh_bat_v;
- struct batadv_hardif_neigh_node *neigh;
-
- neigh_bat_v = container_of(work, struct batadv_hardif_neigh_node_bat_v,
- metric_work);
- neigh = container_of(neigh_bat_v, struct batadv_hardif_neigh_node,
- bat_v);
+ u32 throughput;
+ bool valid;
- ewma_throughput_add(&neigh->bat_v.throughput,
- batadv_v_elp_get_throughput(neigh));
+ valid = batadv_v_elp_get_throughput(neigh, &throughput);
+ if (!valid)
+ return;
- /* decrement refcounter to balance increment performed before scheduling
- * this task
- */
- batadv_hardif_neigh_put(neigh);
+ ewma_throughput_add(&neigh->bat_v.throughput, throughput);
}
/**
@@ -248,14 +282,16 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh)
*/
static void batadv_v_elp_periodic_work(struct work_struct *work)
{
+ struct batadv_v_metric_queue_entry *metric_entry;
+ struct batadv_v_metric_queue_entry *metric_safe;
struct batadv_hardif_neigh_node *hardif_neigh;
struct batadv_hard_iface *hard_iface;
struct batadv_hard_iface_bat_v *bat_v;
struct batadv_elp_packet *elp_packet;
+ struct list_head metric_queue;
struct batadv_priv *bat_priv;
struct sk_buff *skb;
u32 elp_interval;
- bool ret;
bat_v = container_of(work, struct batadv_hard_iface_bat_v, elp_wq.work);
hard_iface = container_of(bat_v, struct batadv_hard_iface, bat_v);
@@ -291,6 +327,8 @@ static void batadv_v_elp_periodic_work(struct work_struct *work)
atomic_inc(&hard_iface->bat_v.elp_seqno);
+ INIT_LIST_HEAD(&metric_queue);
+
/* The throughput metric is updated on each sent packet. This way, if a
* node is dead and no longer sends packets, batman-adv is still able to
* react timely to its death.
@@ -315,16 +353,28 @@ static void batadv_v_elp_periodic_work(struct work_struct *work)
/* Reading the estimated throughput from cfg80211 is a task that
* may sleep and that is not allowed in an rcu protected
- * context. Therefore schedule a task for that.
+ * context. Therefore add it to metric_queue and process it
+ * outside rcu protected context.
*/
- ret = queue_work(batadv_event_workqueue,
- &hardif_neigh->bat_v.metric_work);
-
- if (!ret)
+ metric_entry = kzalloc(sizeof(*metric_entry), GFP_ATOMIC);
+ if (!metric_entry) {
batadv_hardif_neigh_put(hardif_neigh);
+ continue;
+ }
+
+ metric_entry->hardif_neigh = hardif_neigh;
+ list_add(&metric_entry->list, &metric_queue);
}
rcu_read_unlock();
+ list_for_each_entry_safe(metric_entry, metric_safe, &metric_queue, list) {
+ batadv_v_elp_throughput_metric_update(metric_entry->hardif_neigh);
+
+ batadv_hardif_neigh_put(metric_entry->hardif_neigh);
+ list_del(&metric_entry->list);
+ kfree(metric_entry);
+ }
+
restart_timer:
batadv_v_elp_start_timer(hard_iface);
out:
diff --git a/net/batman-adv/bat_v_elp.h b/net/batman-adv/bat_v_elp.h
index 9e2740195fa2..c9cb0a307100 100644
--- a/net/batman-adv/bat_v_elp.h
+++ b/net/batman-adv/bat_v_elp.h
@@ -10,7 +10,6 @@
#include "main.h"
#include <linux/skbuff.h>
-#include <linux/workqueue.h>
int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface);
void batadv_v_elp_iface_disable(struct batadv_hard_iface *hard_iface);
@@ -19,6 +18,5 @@ void batadv_v_elp_iface_activate(struct batadv_hard_iface *primary_iface,
void batadv_v_elp_primary_iface_set(struct batadv_hard_iface *primary_iface);
int batadv_v_elp_packet_recv(struct sk_buff *skb,
struct batadv_hard_iface *if_incoming);
-void batadv_v_elp_throughput_metric_update(struct work_struct *work);
#endif /* _NET_BATMAN_ADV_BAT_V_ELP_H_ */
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 17d5ea1d8e84..d6854c109cd2 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -596,9 +596,6 @@ struct batadv_hardif_neigh_node_bat_v {
* neighbor
*/
unsigned long last_unicast_tx;
-
- /** @metric_work: work queue callback item for metric update */
- struct work_struct metric_work;
};
/**
diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c
index 1f49d6164ea1..cf9a12d8da6f 100644
--- a/net/can/j1939/socket.c
+++ b/net/can/j1939/socket.c
@@ -1132,7 +1132,7 @@ static int j1939_sk_send_loop(struct j1939_priv *priv, struct sock *sk,
todo_size = size;
- while (todo_size) {
+ do {
struct j1939_sk_buff_cb *skcb;
segment_size = min_t(size_t, J1939_MAX_TP_PACKET_SIZE,
@@ -1177,7 +1177,7 @@ static int j1939_sk_send_loop(struct j1939_priv *priv, struct sock *sk,
todo_size -= segment_size;
session->total_queued_size += segment_size;
- }
+ } while (todo_size);
switch (ret) {
case 0: /* OK */
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 95f7a7e65a73..9b72d118d756 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -382,8 +382,9 @@ sk_buff *j1939_session_skb_get_by_offset(struct j1939_session *session,
skb_queue_walk(&session->skb_queue, do_skb) {
do_skcb = j1939_skb_to_cb(do_skb);
- if (offset_start >= do_skcb->offset &&
- offset_start < (do_skcb->offset + do_skb->len)) {
+ if ((offset_start >= do_skcb->offset &&
+ offset_start < (do_skcb->offset + do_skb->len)) ||
+ (offset_start == 0 && do_skcb->offset == 0 && do_skb->len == 0)) {
skb = do_skb;
}
}
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index b22d20cc417b..00a5c41c1831 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1084,10 +1084,12 @@ bool __skb_flow_dissect(const struct net *net,
FLOW_DISSECTOR_KEY_BASIC,
target_container);
+ rcu_read_lock();
+
if (skb) {
if (!net) {
if (skb->dev)
- net = dev_net(skb->dev);
+ net = dev_net_rcu(skb->dev);
else if (skb->sk)
net = sock_net(skb->sk);
}
@@ -1098,7 +1100,6 @@ bool __skb_flow_dissect(const struct net *net,
enum netns_bpf_attach_type type = NETNS_BPF_FLOW_DISSECTOR;
struct bpf_prog_array *run_array;
- rcu_read_lock();
run_array = rcu_dereference(init_net.bpf.run_array[type]);
if (!run_array)
run_array = rcu_dereference(net->bpf.run_array[type]);
@@ -1126,17 +1127,17 @@ bool __skb_flow_dissect(const struct net *net,
prog = READ_ONCE(run_array->items[0].prog);
result = bpf_flow_dissect(prog, &ctx, n_proto, nhoff,
hlen, flags);
- if (result == BPF_FLOW_DISSECTOR_CONTINUE)
- goto dissect_continue;
- __skb_flow_bpf_to_target(&flow_keys, flow_dissector,
- target_container);
- rcu_read_unlock();
- return result == BPF_OK;
+ if (result != BPF_FLOW_DISSECTOR_CONTINUE) {
+ __skb_flow_bpf_to_target(&flow_keys, flow_dissector,
+ target_container);
+ rcu_read_unlock();
+ return result == BPF_OK;
+ }
}
-dissect_continue:
- rcu_read_unlock();
}
+ rcu_read_unlock();
+
if (dissector_uses_key(flow_dissector,
FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
struct ethhdr *eth = eth_hdr(skb);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index cb0c233e8396..e44feb39d459 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -3508,10 +3508,12 @@ static const struct seq_operations neigh_stat_seq_ops = {
static void __neigh_notify(struct neighbour *n, int type, int flags,
u32 pid)
{
- struct net *net = dev_net(n->dev);
struct sk_buff *skb;
int err = -ENOBUFS;
+ struct net *net;
+ rcu_read_lock();
+ net = dev_net_rcu(n->dev);
skb = nlmsg_new(neigh_nlmsg_size(), GFP_ATOMIC);
if (skb == NULL)
goto errout;
@@ -3524,10 +3526,11 @@ static void __neigh_notify(struct neighbour *n, int type, int flags,
goto errout;
}
rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
- return;
+ goto out;
errout:
- if (err < 0)
- rtnl_set_sk_err(net, RTNLGRP_NEIGH, err);
+ rtnl_set_sk_err(net, RTNLGRP_NEIGH, err);
+out:
+ rcu_read_unlock();
}
void neigh_app_ns(struct neighbour *n)
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 0d0d725b46ad..02776453bf97 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -658,10 +658,12 @@ static int arp_xmit_finish(struct net *net, struct sock *sk, struct sk_buff *skb
*/
void arp_xmit(struct sk_buff *skb)
{
+ rcu_read_lock();
/* Send it off, maybe filter it using firewalling first. */
NF_HOOK(NFPROTO_ARP, NF_ARP_OUT,
- dev_net(skb->dev), NULL, skb, NULL, skb->dev,
+ dev_net_rcu(skb->dev), NULL, skb, NULL, skb->dev,
arp_xmit_finish);
+ rcu_read_unlock();
}
EXPORT_SYMBOL(arp_xmit);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 4822f68edbf0..c33b1ecc591e 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1341,10 +1341,11 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
__be32 addr = 0;
unsigned char localnet_scope = RT_SCOPE_HOST;
struct in_device *in_dev;
- struct net *net = dev_net(dev);
+ struct net *net;
int master_idx;
rcu_read_lock();
+ net = dev_net_rcu(dev);
in_dev = __in_dev_get_rcu(dev);
if (!in_dev)
goto no_in_dev;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index a6adf6a2ec4b..a21d32b3ae6c 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -403,10 +403,10 @@ static void icmp_push_reply(struct sock *sk,
static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
{
- struct ipcm_cookie ipc;
struct rtable *rt = skb_rtable(skb);
- struct net *net = dev_net(rt->dst.dev);
+ struct net *net = dev_net_rcu(rt->dst.dev);
bool apply_ratelimit = false;
+ struct ipcm_cookie ipc;
struct flowi4 fl4;
struct sock *sk;
struct inet_sock *inet;
@@ -609,12 +609,14 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
struct sock *sk;
if (!rt)
- goto out;
+ return;
+
+ rcu_read_lock();
if (rt->dst.dev)
- net = dev_net(rt->dst.dev);
+ net = dev_net_rcu(rt->dst.dev);
else if (skb_in->dev)
- net = dev_net(skb_in->dev);
+ net = dev_net_rcu(skb_in->dev);
else
goto out;
@@ -783,7 +785,8 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
icmp_xmit_unlock(sk);
out_bh_enable:
local_bh_enable();
-out:;
+out:
+ rcu_read_unlock();
}
EXPORT_SYMBOL(__icmp_send);
@@ -832,7 +835,7 @@ static void icmp_socket_deliver(struct sk_buff *skb, u32 info)
* avoid additional coding at protocol handlers.
*/
if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) {
- __ICMP_INC_STATS(dev_net(skb->dev), ICMP_MIB_INERRORS);
+ __ICMP_INC_STATS(dev_net_rcu(skb->dev), ICMP_MIB_INERRORS);
return;
}
@@ -866,7 +869,7 @@ static enum skb_drop_reason icmp_unreach(struct sk_buff *skb)
struct net *net;
u32 info = 0;
- net = dev_net(skb_dst(skb)->dev);
+ net = dev_net_rcu(skb_dst(skb)->dev);
/*
* Incomplete header ?
@@ -977,7 +980,7 @@ static enum skb_drop_reason icmp_unreach(struct sk_buff *skb)
static enum skb_drop_reason icmp_redirect(struct sk_buff *skb)
{
if (skb->len < sizeof(struct iphdr)) {
- __ICMP_INC_STATS(dev_net(skb->dev), ICMP_MIB_INERRORS);
+ __ICMP_INC_STATS(dev_net_rcu(skb->dev), ICMP_MIB_INERRORS);
return SKB_DROP_REASON_PKT_TOO_SMALL;
}
@@ -1009,7 +1012,7 @@ static enum skb_drop_reason icmp_echo(struct sk_buff *skb)
struct icmp_bxm icmp_param;
struct net *net;
- net = dev_net(skb_dst(skb)->dev);
+ net = dev_net_rcu(skb_dst(skb)->dev);
/* should there be an ICMP stat for ignored echos? */
if (READ_ONCE(net->ipv4.sysctl_icmp_echo_ignore_all))
return SKB_NOT_DROPPED_YET;
@@ -1038,9 +1041,9 @@ static enum skb_drop_reason icmp_echo(struct sk_buff *skb)
bool icmp_build_probe(struct sk_buff *skb, struct icmphdr *icmphdr)
{
+ struct net *net = dev_net_rcu(skb->dev);
struct icmp_ext_hdr *ext_hdr, _ext_hdr;
struct icmp_ext_echo_iio *iio, _iio;
- struct net *net = dev_net(skb->dev);
struct inet6_dev *in6_dev;
struct in_device *in_dev;
struct net_device *dev;
@@ -1179,7 +1182,7 @@ static enum skb_drop_reason icmp_timestamp(struct sk_buff *skb)
return SKB_NOT_DROPPED_YET;
out_err:
- __ICMP_INC_STATS(dev_net(skb_dst(skb)->dev), ICMP_MIB_INERRORS);
+ __ICMP_INC_STATS(dev_net_rcu(skb_dst(skb)->dev), ICMP_MIB_INERRORS);
return SKB_DROP_REASON_PKT_TOO_SMALL;
}
@@ -1196,7 +1199,7 @@ int icmp_rcv(struct sk_buff *skb)
{
enum skb_drop_reason reason = SKB_DROP_REASON_NOT_SPECIFIED;
struct rtable *rt = skb_rtable(skb);
- struct net *net = dev_net(rt->dst.dev);
+ struct net *net = dev_net_rcu(rt->dst.dev);
struct icmphdr *icmph;
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
@@ -1369,9 +1372,9 @@ int icmp_err(struct sk_buff *skb, u32 info)
struct iphdr *iph = (struct iphdr *)skb->data;
int offset = iph->ihl<<2;
struct icmphdr *icmph = (struct icmphdr *)(skb->data + offset);
+ struct net *net = dev_net_rcu(skb->dev);
int type = icmp_hdr(skb)->type;
int code = icmp_hdr(skb)->code;
- struct net *net = dev_net(skb->dev);
/*
* Use ping_err to handle all icmp errors except those
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 61fc2166a870..97dc30a03dbf 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -393,7 +393,13 @@ static inline int ip_rt_proc_init(void)
static inline bool rt_is_expired(const struct rtable *rth)
{
- return rth->rt_genid != rt_genid_ipv4(dev_net(rth->dst.dev));
+ bool res;
+
+ rcu_read_lock();
+ res = rth->rt_genid != rt_genid_ipv4(dev_net_rcu(rth->dst.dev));
+ rcu_read_unlock();
+
+ return res;
}
void rt_cache_flush(struct net *net)
@@ -1014,9 +1020,9 @@ out: kfree_skb_reason(skb, reason);
static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
{
struct dst_entry *dst = &rt->dst;
- struct net *net = dev_net(dst->dev);
struct fib_result res;
bool lock = false;
+ struct net *net;
u32 old_mtu;
if (ip_mtu_locked(dst))
@@ -1026,6 +1032,8 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
if (old_mtu < mtu)
return;
+ rcu_read_lock();
+ net = dev_net_rcu(dst->dev);
if (mtu < net->ipv4.ip_rt_min_pmtu) {
lock = true;
mtu = min(old_mtu, net->ipv4.ip_rt_min_pmtu);
@@ -1033,17 +1041,29 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
if (rt->rt_pmtu == mtu && !lock &&
time_before(jiffies, dst->expires - net->ipv4.ip_rt_mtu_expires / 2))
- return;
+ goto out;
- rcu_read_lock();
if (fib_lookup(net, fl4, &res, 0) == 0) {
struct fib_nh_common *nhc;
fib_select_path(net, &res, fl4, NULL);
+#ifdef CONFIG_IP_ROUTE_MULTIPATH
+ if (fib_info_num_path(res.fi) > 1) {
+ int nhsel;
+
+ for (nhsel = 0; nhsel < fib_info_num_path(res.fi); nhsel++) {
+ nhc = fib_info_nhc(res.fi, nhsel);
+ update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock,
+ jiffies + net->ipv4.ip_rt_mtu_expires);
+ }
+ goto out;
+ }
+#endif /* CONFIG_IP_ROUTE_MULTIPATH */
nhc = FIB_RES_NHC(res);
update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock,
jiffies + net->ipv4.ip_rt_mtu_expires);
}
+out:
rcu_read_unlock();
}
@@ -1306,10 +1326,15 @@ static void set_class_tag(struct rtable *rt, u32 tag)
static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
{
- struct net *net = dev_net(dst->dev);
unsigned int header_size = sizeof(struct tcphdr) + sizeof(struct iphdr);
- unsigned int advmss = max_t(unsigned int, ipv4_mtu(dst) - header_size,
- net->ipv4.ip_rt_min_advmss);
+ unsigned int advmss;
+ struct net *net;
+
+ rcu_read_lock();
+ net = dev_net_rcu(dst->dev);
+ advmss = max_t(unsigned int, ipv4_mtu(dst) - header_size,
+ net->ipv4.ip_rt_min_advmss);
+ rcu_read_unlock();
return min(advmss, IPV4_MAX_PMTU - header_size);
}
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 35df405ce1f7..fd91fd139d76 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -76,7 +76,7 @@ static int icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
{
/* icmpv6_notify checks 8 bytes can be pulled, icmp6hdr is 8 bytes */
struct icmp6hdr *icmp6 = (struct icmp6hdr *) (skb->data + offset);
- struct net *net = dev_net(skb->dev);
+ struct net *net = dev_net_rcu(skb->dev);
if (type == ICMPV6_PKT_TOOBIG)
ip6_update_pmtu(skb, net, info, skb->dev->ifindex, 0, sock_net_uid(net, NULL));
@@ -473,7 +473,10 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
if (!skb->dev)
return;
- net = dev_net(skb->dev);
+
+ rcu_read_lock();
+
+ net = dev_net_rcu(skb->dev);
mark = IP6_REPLY_MARK(net, skb->mark);
/*
* Make sure we respect the rules
@@ -496,7 +499,7 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
!(type == ICMPV6_PARAMPROB &&
code == ICMPV6_UNK_OPTION &&
(opt_unrec(skb, info))))
- return;
+ goto out;
saddr = NULL;
}
@@ -526,7 +529,7 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
if ((addr_type == IPV6_ADDR_ANY) || (addr_type & IPV6_ADDR_MULTICAST)) {
net_dbg_ratelimited("icmp6_send: addr_any/mcast source [%pI6c > %pI6c]\n",
&hdr->saddr, &hdr->daddr);
- return;
+ goto out;
}
/*
@@ -535,7 +538,7 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
if (is_ineligible(skb)) {
net_dbg_ratelimited("icmp6_send: no reply to icmp error [%pI6c > %pI6c]\n",
&hdr->saddr, &hdr->daddr);
- return;
+ goto out;
}
/* Needed by both icmpv6_global_allow and icmpv6_xmit_lock */
@@ -582,7 +585,7 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
np = inet6_sk(sk);
if (!icmpv6_xrlim_allow(sk, type, &fl6, apply_ratelimit))
- goto out;
+ goto out_unlock;
tmp_hdr.icmp6_type = type;
tmp_hdr.icmp6_code = code;
@@ -600,7 +603,7 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
dst = icmpv6_route_lookup(net, skb, sk, &fl6);
if (IS_ERR(dst))
- goto out;
+ goto out_unlock;
ipc6.hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
@@ -616,7 +619,6 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
goto out_dst_release;
}
- rcu_read_lock();
idev = __in6_dev_get(skb->dev);
if (ip6_append_data(sk, icmpv6_getfrag, &msg,
@@ -630,13 +632,15 @@ void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
icmpv6_push_pending_frames(sk, &fl6, &tmp_hdr,
len + sizeof(struct icmp6hdr));
}
- rcu_read_unlock();
+
out_dst_release:
dst_release(dst);
-out:
+out_unlock:
icmpv6_xmit_unlock(sk);
out_bh_enable:
local_bh_enable();
+out:
+ rcu_read_unlock();
}
EXPORT_SYMBOL(icmp6_send);
@@ -679,8 +683,8 @@ int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type,
skb_pull(skb2, nhs);
skb_reset_network_header(skb2);
- rt = rt6_lookup(dev_net(skb->dev), &ipv6_hdr(skb2)->saddr, NULL, 0,
- skb, 0);
+ rt = rt6_lookup(dev_net_rcu(skb->dev), &ipv6_hdr(skb2)->saddr,
+ NULL, 0, skb, 0);
if (rt && rt->dst.dev)
skb2->dev = rt->dst.dev;
@@ -717,7 +721,7 @@ EXPORT_SYMBOL(ip6_err_gen_icmpv6_unreach);
static enum skb_drop_reason icmpv6_echo_reply(struct sk_buff *skb)
{
- struct net *net = dev_net(skb->dev);
+ struct net *net = dev_net_rcu(skb->dev);
struct sock *sk;
struct inet6_dev *idev;
struct ipv6_pinfo *np;
@@ -832,7 +836,7 @@ enum skb_drop_reason icmpv6_notify(struct sk_buff *skb, u8 type,
u8 code, __be32 info)
{
struct inet6_skb_parm *opt = IP6CB(skb);
- struct net *net = dev_net(skb->dev);
+ struct net *net = dev_net_rcu(skb->dev);
const struct inet6_protocol *ipprot;
enum skb_drop_reason reason;
int inner_offset;
@@ -889,7 +893,7 @@ enum skb_drop_reason icmpv6_notify(struct sk_buff *skb, u8 type,
static int icmpv6_rcv(struct sk_buff *skb)
{
enum skb_drop_reason reason = SKB_DROP_REASON_NOT_SPECIFIED;
- struct net *net = dev_net(skb->dev);
+ struct net *net = dev_net_rcu(skb->dev);
struct net_device *dev = icmp6_dev(skb);
struct inet6_dev *idev = __in6_dev_get(dev);
const struct in6_addr *saddr, *daddr;
@@ -921,7 +925,7 @@ static int icmpv6_rcv(struct sk_buff *skb)
skb_set_network_header(skb, nh);
}
- __ICMP6_INC_STATS(dev_net(dev), idev, ICMP6_MIB_INMSGS);
+ __ICMP6_INC_STATS(dev_net_rcu(dev), idev, ICMP6_MIB_INMSGS);
saddr = &ipv6_hdr(skb)->saddr;
daddr = &ipv6_hdr(skb)->daddr;
@@ -939,7 +943,7 @@ static int icmpv6_rcv(struct sk_buff *skb)
type = hdr->icmp6_type;
- ICMP6MSGIN_INC_STATS(dev_net(dev), idev, type);
+ ICMP6MSGIN_INC_STATS(dev_net_rcu(dev), idev, type);
switch (type) {
case ICMPV6_ECHO_REQUEST:
@@ -1034,9 +1038,9 @@ static int icmpv6_rcv(struct sk_buff *skb)
csum_error:
reason = SKB_DROP_REASON_ICMP_CSUM;
- __ICMP6_INC_STATS(dev_net(dev), idev, ICMP6_MIB_CSUMERRORS);
+ __ICMP6_INC_STATS(dev_net_rcu(dev), idev, ICMP6_MIB_CSUMERRORS);
discard_it:
- __ICMP6_INC_STATS(dev_net(dev), idev, ICMP6_MIB_INERRORS);
+ __ICMP6_INC_STATS(dev_net_rcu(dev), idev, ICMP6_MIB_INERRORS);
drop_no_count:
kfree_skb_reason(skb, reason);
return 0;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 6e2f77a95a65..9bb246c09fce 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1729,21 +1729,19 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
struct net_device *dev = idev->dev;
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
- struct net *net = dev_net(dev);
const struct in6_addr *saddr;
struct in6_addr addr_buf;
struct mld2_report *pmr;
struct sk_buff *skb;
unsigned int size;
struct sock *sk;
- int err;
+ struct net *net;
- sk = net->ipv6.igmp_sk;
/* we assume size > sizeof(ra) here
* Also try to not allocate high-order pages for big MTU
*/
size = min_t(int, mtu, PAGE_SIZE / 2) + hlen + tlen;
- skb = sock_alloc_send_skb(sk, size, 1, &err);
+ skb = alloc_skb(size, GFP_KERNEL);
if (!skb)
return NULL;
@@ -1751,6 +1749,12 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
skb_reserve(skb, hlen);
skb_tailroom_reserve(skb, mtu, tlen);
+ rcu_read_lock();
+
+ net = dev_net_rcu(dev);
+ sk = net->ipv6.igmp_sk;
+ skb_set_owner_w(skb, sk);
+
if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
/* <draft-ietf-magma-mld-source-05.txt>:
* use unspecified address as the source address
@@ -1762,6 +1766,8 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu)
ip6_mc_hdr(sk, skb, dev, saddr, &mld2_all_mcr, NEXTHDR_HOP, 0);
+ rcu_read_unlock();
+
skb_put_data(skb, ra, sizeof(ra));
skb_set_transport_header(skb, skb_tail_pointer(skb) - skb->data);
@@ -2121,21 +2127,21 @@ static void mld_send_cr(struct inet6_dev *idev)
static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
{
- struct net *net = dev_net(dev);
- struct sock *sk = net->ipv6.igmp_sk;
+ const struct in6_addr *snd_addr, *saddr;
+ int err, len, payload_len, full_len;
+ struct in6_addr addr_buf;
struct inet6_dev *idev;
struct sk_buff *skb;
struct mld_msg *hdr;
- const struct in6_addr *snd_addr, *saddr;
- struct in6_addr addr_buf;
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
- int err, len, payload_len, full_len;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
IPV6_TLV_PADN, 0 };
- struct flowi6 fl6;
struct dst_entry *dst;
+ struct flowi6 fl6;
+ struct net *net;
+ struct sock *sk;
if (type == ICMPV6_MGM_REDUCTION)
snd_addr = &in6addr_linklocal_allrouters;
@@ -2146,19 +2152,21 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
payload_len = len + sizeof(ra);
full_len = sizeof(struct ipv6hdr) + payload_len;
- rcu_read_lock();
- IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_OUTREQUESTS);
- rcu_read_unlock();
+ skb = alloc_skb(hlen + tlen + full_len, GFP_KERNEL);
- skb = sock_alloc_send_skb(sk, hlen + tlen + full_len, 1, &err);
+ rcu_read_lock();
+ net = dev_net_rcu(dev);
+ idev = __in6_dev_get(dev);
+ IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTREQUESTS);
if (!skb) {
- rcu_read_lock();
- IP6_INC_STATS(net, __in6_dev_get(dev),
- IPSTATS_MIB_OUTDISCARDS);
+ IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
rcu_read_unlock();
return;
}
+ sk = net->ipv6.igmp_sk;
+ skb_set_owner_w(skb, sk);
+
skb->priority = TC_PRIO_CONTROL;
skb_reserve(skb, hlen);
@@ -2183,9 +2191,6 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
IPPROTO_ICMPV6,
csum_partial(hdr, len, 0));
- rcu_read_lock();
- idev = __in6_dev_get(skb->dev);
-
icmpv6_flow_init(sk, &fl6, type,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 2ad0ef47b07c..8d853971f2f6 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -418,15 +418,11 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev,
{
int hlen = LL_RESERVED_SPACE(dev);
int tlen = dev->needed_tailroom;
- struct sock *sk = dev_net(dev)->ipv6.ndisc_sk;
struct sk_buff *skb;
skb = alloc_skb(hlen + sizeof(struct ipv6hdr) + len + tlen, GFP_ATOMIC);
- if (!skb) {
- ND_PRINTK(0, err, "ndisc: %s failed to allocate an skb\n",
- __func__);
+ if (!skb)
return NULL;
- }
skb->protocol = htons(ETH_P_IPV6);
skb->dev = dev;
@@ -437,7 +433,9 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev,
/* Manually assign socket ownership as we avoid calling
* sock_alloc_send_pskb() to bypass wmem buffer limits
*/
- skb_set_owner_w(skb, sk);
+ rcu_read_lock();
+ skb_set_owner_w(skb, dev_net_rcu(dev)->ipv6.ndisc_sk);
+ rcu_read_unlock();
return skb;
}
@@ -473,16 +471,20 @@ static void ip6_nd_hdr(struct sk_buff *skb,
void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
+ struct icmp6hdr *icmp6h = icmp6_hdr(skb);
struct dst_entry *dst = skb_dst(skb);
- struct net *net = dev_net(skb->dev);
- struct sock *sk = net->ipv6.ndisc_sk;
struct inet6_dev *idev;
+ struct net *net;
+ struct sock *sk;
int err;
- struct icmp6hdr *icmp6h = icmp6_hdr(skb);
u8 type;
type = icmp6h->icmp6_type;
+ rcu_read_lock();
+
+ net = dev_net_rcu(skb->dev);
+ sk = net->ipv6.ndisc_sk;
if (!dst) {
struct flowi6 fl6;
int oif = skb->dev->ifindex;
@@ -490,6 +492,7 @@ void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr,
icmpv6_flow_init(sk, &fl6, type, saddr, daddr, oif);
dst = icmp6_dst_alloc(skb->dev, &fl6);
if (IS_ERR(dst)) {
+ rcu_read_unlock();
kfree_skb(skb);
return;
}
@@ -504,7 +507,6 @@ void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr,
ip6_nd_hdr(skb, saddr, daddr, inet6_sk(sk)->hop_limit, skb->len);
- rcu_read_lock();
idev = __in6_dev_get(dst->dev);
IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTREQUESTS);
@@ -1680,7 +1682,7 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
bool ret;
if (netif_is_l3_master(skb->dev)) {
- dev = __dev_get_by_index(dev_net(skb->dev), IPCB(skb)->iif);
+ dev = dev_get_by_index_rcu(dev_net(skb->dev), IPCB(skb)->iif);
if (!dev)
return;
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c5cee40a658b..5715d54f3d0b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3188,13 +3188,18 @@ static unsigned int ip6_default_advmss(const struct dst_entry *dst)
{
struct net_device *dev = dst->dev;
unsigned int mtu = dst_mtu(dst);
- struct net *net = dev_net(dev);
+ struct net *net;
mtu -= sizeof(struct ipv6hdr) + sizeof(struct tcphdr);
+ rcu_read_lock();
+
+ net = dev_net_rcu(dev);
if (mtu < net->ipv6.sysctl.ip6_rt_min_advmss)
mtu = net->ipv6.sysctl.ip6_rt_min_advmss;
+ rcu_read_unlock();
+
/*
* Maximal non-jumbo IPv6 payload is IPV6_MAXPLEN and
* corresponding MSS is IPV6_MAXPLEN - tcp_header_size.
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index b7232142c13f..cb52fac7caa3 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -2103,6 +2103,7 @@ static int ovs_vport_cmd_fill_info(struct vport *vport, struct sk_buff *skb,
{
struct ovs_header *ovs_header;
struct ovs_vport_stats vport_stats;
+ struct net *net_vport;
int err;
ovs_header = genlmsg_put(skb, portid, seq, &dp_vport_genl_family,
@@ -2119,12 +2120,15 @@ static int ovs_vport_cmd_fill_info(struct vport *vport, struct sk_buff *skb,
nla_put_u32(skb, OVS_VPORT_ATTR_IFINDEX, vport->dev->ifindex))
goto nla_put_failure;
- if (!net_eq(net, dev_net(vport->dev))) {
- int id = peernet2id_alloc(net, dev_net(vport->dev), gfp);
+ rcu_read_lock();
+ net_vport = dev_net_rcu(vport->dev);
+ if (!net_eq(net, net_vport)) {
+ int id = peernet2id_alloc(net, net_vport, GFP_ATOMIC);
if (nla_put_s32(skb, OVS_VPORT_ATTR_NETNSID, id))
- goto nla_put_failure;
+ goto nla_put_failure_unlock;
}
+ rcu_read_unlock();
ovs_vport_get_stats(vport, &vport_stats);
if (nla_put_64bit(skb, OVS_VPORT_ATTR_STATS,
@@ -2145,6 +2149,8 @@ static int ovs_vport_cmd_fill_info(struct vport *vport, struct sk_buff *skb,
genlmsg_end(skb, ovs_header);
return 0;
+nla_put_failure_unlock:
+ rcu_read_unlock();
nla_put_failure:
err = -EMSGSIZE;
error:
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index f4dbf5f87962..618b18e80cea 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -336,7 +336,10 @@ EXPORT_SYMBOL_GPL(vsock_find_connected_socket);
void vsock_remove_sock(struct vsock_sock *vsk)
{
- vsock_remove_bound(vsk);
+ /* Transport reassignment must not remove the binding. */
+ if (sock_flag(sk_vsock(vsk), SOCK_DEAD))
+ vsock_remove_bound(vsk);
+
vsock_remove_connected(vsk);
}
EXPORT_SYMBOL_GPL(vsock_remove_sock);
@@ -820,6 +823,13 @@ static void __vsock_release(struct sock *sk, int level)
*/
lock_sock_nested(sk, level);
+ /* Indicate to vsock_remove_sock() that the socket is being released and
+ * can be removed from the bound_table. Unlike transport reassignment
+ * case, where the socket must remain bound despite vsock_remove_sock()
+ * being called from the transport release() callback.
+ */
+ sock_set_flag(sk, SOCK_DEAD);
+
if (vsk->transport)
vsk->transport->release(vsk);
else if (sock_type_connectible(sk->sk_type))
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index ddf68be0af14..ce80adc30fe9 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -1132,7 +1132,22 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
BYT_RT5640_SSP0_AIF2 |
BYT_RT5640_MCLK_EN),
},
- { /* Vexia Edu Atla 10 tablet */
+ {
+ /* Vexia Edu Atla 10 tablet 5V version */
+ .matches = {
+ /* Having all 3 of these not set is somewhat unique */
+ DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
+ DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."),
+ /* Above strings are too generic, also match on BIOS date */
+ DMI_MATCH(DMI_BIOS_DATE, "05/14/2015"),
+ },
+ .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+ BYT_RT5640_JD_NOT_INV |
+ BYT_RT5640_SSP0_AIF1 |
+ BYT_RT5640_MCLK_EN),
+ },
+ { /* Vexia Edu Atla 10 tablet 9V version */
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
diff --git a/tools/testing/selftests/gpio/gpio-sim.sh b/tools/testing/selftests/gpio/gpio-sim.sh
index 6fb66a687f17..bbc29ed9c60a 100755
--- a/tools/testing/selftests/gpio/gpio-sim.sh
+++ b/tools/testing/selftests/gpio/gpio-sim.sh
@@ -46,12 +46,6 @@ remove_chip() {
rmdir $CONFIGFS_DIR/$CHIP || fail "Unable to remove the chip"
}
-configfs_cleanup() {
- for CHIP in `ls $CONFIGFS_DIR/`; do
- remove_chip $CHIP
- done
-}
-
create_chip() {
local CHIP=$1
@@ -105,6 +99,13 @@ disable_chip() {
echo 0 > $CONFIGFS_DIR/$CHIP/live || fail "Unable to disable the chip"
}
+configfs_cleanup() {
+ for CHIP in `ls $CONFIGFS_DIR/`; do
+ disable_chip $CHIP
+ remove_chip $CHIP
+ done
+}
+
configfs_chip_name() {
local CHIP=$1
local BANK=$2
@@ -181,6 +182,7 @@ create_chip chip
create_bank chip bank
enable_chip chip
test -n `cat $CONFIGFS_DIR/chip/bank/chip_name` || fail "chip_name doesn't work"
+disable_chip chip
remove_chip chip
echo "1.2. chip_name returns 'none' if the chip is still pending"
@@ -195,6 +197,7 @@ create_chip chip
create_bank chip bank
enable_chip chip
test -n `cat $CONFIGFS_DIR/chip/dev_name` || fail "dev_name doesn't work"
+disable_chip chip
remove_chip chip
echo "2. Creating and configuring simulated chips"
@@ -204,6 +207,7 @@ create_chip chip
create_bank chip bank
enable_chip chip
test "`get_chip_num_lines chip bank`" = "1" || fail "default number of lines is not 1"
+disable_chip chip
remove_chip chip
echo "2.2. Number of lines can be specified"
@@ -212,6 +216,7 @@ create_bank chip bank
set_num_lines chip bank 16
enable_chip chip
test "`get_chip_num_lines chip bank`" = "16" || fail "number of lines is not 16"
+disable_chip chip
remove_chip chip
echo "2.3. Label can be set"
@@ -220,6 +225,7 @@ create_bank chip bank
set_label chip bank foobar
enable_chip chip
test "`get_chip_label chip bank`" = "foobar" || fail "label is incorrect"
+disable_chip chip
remove_chip chip
echo "2.4. Label can be left empty"
@@ -227,6 +233,7 @@ create_chip chip
create_bank chip bank
enable_chip chip
test -z "`cat $CONFIGFS_DIR/chip/bank/label`" || fail "label is not empty"
+disable_chip chip
remove_chip chip
echo "2.5. Line names can be configured"
@@ -238,6 +245,7 @@ set_line_name chip bank 2 bar
enable_chip chip
test "`get_line_name chip bank 0`" = "foo" || fail "line name is incorrect"
test "`get_line_name chip bank 2`" = "bar" || fail "line name is incorrect"
+disable_chip chip
remove_chip chip
echo "2.6. Line config can remain unused if offset is greater than number of lines"
@@ -248,6 +256,7 @@ set_line_name chip bank 5 foobar
enable_chip chip
test "`get_line_name chip bank 0`" = "" || fail "line name is incorrect"
test "`get_line_name chip bank 1`" = "" || fail "line name is incorrect"
+disable_chip chip
remove_chip chip
echo "2.7. Line configfs directory names are sanitized"
@@ -267,6 +276,7 @@ for CHIP in $CHIPS; do
enable_chip $CHIP
done
for CHIP in $CHIPS; do
+ disable_chip $CHIP
remove_chip $CHIP
done
@@ -278,6 +288,7 @@ echo foobar > $CONFIGFS_DIR/chip/bank/label 2> /dev/null && \
fail "Setting label of a live chip should fail"
echo 8 > $CONFIGFS_DIR/chip/bank/num_lines 2> /dev/null && \
fail "Setting number of lines of a live chip should fail"
+disable_chip chip
remove_chip chip
echo "2.10. Can't create line items when chip is live"
@@ -285,6 +296,7 @@ create_chip chip
create_bank chip bank
enable_chip chip
mkdir $CONFIGFS_DIR/chip/bank/line0 2> /dev/null && fail "Creating line item should fail"
+disable_chip chip
remove_chip chip
echo "2.11. Probe errors are propagated to user-space"
@@ -316,6 +328,7 @@ mkdir -p $CONFIGFS_DIR/chip/bank/line4/hog
enable_chip chip
$BASE_DIR/gpio-mockup-cdev -s 1 /dev/`configfs_chip_name chip bank` 4 2> /dev/null && \
fail "Setting the value of a hogged line shouldn't succeed"
+disable_chip chip
remove_chip chip
echo "3. Controlling simulated chips"
@@ -331,6 +344,7 @@ test "$?" = "1" || fail "pull set incorrectly"
sysfs_set_pull chip bank 0 pull-down
$BASE_DIR/gpio-mockup-cdev /dev/`configfs_chip_name chip bank` 1
test "$?" = "0" || fail "pull set incorrectly"
+disable_chip chip
remove_chip chip
echo "3.2. Pull can be read from sysfs"
@@ -344,6 +358,7 @@ SYSFS_PATH=/sys/devices/platform/$DEVNAME/$CHIPNAME/sim_gpio0/pull
test `cat $SYSFS_PATH` = "pull-down" || fail "reading the pull failed"
sysfs_set_pull chip bank 0 pull-up
test `cat $SYSFS_PATH` = "pull-up" || fail "reading the pull failed"
+disable_chip chip
remove_chip chip
echo "3.3. Incorrect input in sysfs is rejected"
@@ -355,6 +370,7 @@ DEVNAME=`configfs_dev_name chip`
CHIPNAME=`configfs_chip_name chip bank`
SYSFS_PATH="/sys/devices/platform/$DEVNAME/$CHIPNAME/sim_gpio0/pull"
echo foobar > $SYSFS_PATH 2> /dev/null && fail "invalid input not detected"
+disable_chip chip
remove_chip chip
echo "3.4. Can't write to value"
@@ -365,6 +381,7 @@ DEVNAME=`configfs_dev_name chip`
CHIPNAME=`configfs_chip_name chip bank`
SYSFS_PATH="/sys/devices/platform/$DEVNAME/$CHIPNAME/sim_gpio0/value"
echo 1 > $SYSFS_PATH 2> /dev/null && fail "writing to 'value' succeeded unexpectedly"
+disable_chip chip
remove_chip chip
echo "4. Simulated GPIO chips are functional"
@@ -382,6 +399,7 @@ $BASE_DIR/gpio-mockup-cdev -s 1 /dev/`configfs_chip_name chip bank` 0 &
sleep 0.1 # FIXME Any better way?
test `cat $SYSFS_PATH` = "1" || fail "incorrect value read from sysfs"
kill $!
+disable_chip chip
remove_chip chip
echo "4.2. Bias settings work correctly"
@@ -394,6 +412,7 @@ CHIPNAME=`configfs_chip_name chip bank`
SYSFS_PATH="/sys/devices/platform/$DEVNAME/$CHIPNAME/sim_gpio0/value"
$BASE_DIR/gpio-mockup-cdev -b pull-up /dev/`configfs_chip_name chip bank` 0
test `cat $SYSFS_PATH` = "1" || fail "bias setting does not work"
+disable_chip chip
remove_chip chip
echo "GPIO $MODULE test PASS"
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 1c0dd2f78167..771f237c4353 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -197,6 +197,12 @@
#
# - pmtu_ipv6_route_change
# Same as above but with IPv6
+#
+# - pmtu_ipv4_mp_exceptions
+# Use the same topology as in pmtu_ipv4, but add routeable addresses
+# on host A and B on lo reachable via both routers. Host A and B
+# addresses have multipath routes to each other, b_r1 mtu = 1500.
+# Check that PMTU exceptions are created for both paths.
source lib.sh
source net_helper.sh
@@ -266,7 +272,8 @@ tests="
list_flush_ipv4_exception ipv4: list and flush cached exceptions 1
list_flush_ipv6_exception ipv6: list and flush cached exceptions 1
pmtu_ipv4_route_change ipv4: PMTU exception w/route replace 1
- pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1"
+ pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1
+ pmtu_ipv4_mp_exceptions ipv4: PMTU multipath nh exceptions 1"
# Addressing and routing for tests with routers: four network segments, with
# index SEGMENT between 1 and 4, a common prefix (PREFIX4 or PREFIX6) and an
@@ -343,6 +350,9 @@ tunnel6_a_addr="fd00:2::a"
tunnel6_b_addr="fd00:2::b"
tunnel6_mask="64"
+host4_a_addr="192.168.99.99"
+host4_b_addr="192.168.88.88"
+
dummy6_0_prefix="fc00:1000::"
dummy6_1_prefix="fc00:1001::"
dummy6_mask="64"
@@ -902,6 +912,52 @@ setup_ovs_bridge() {
run_cmd ip route add ${prefix6}:${b_r1}::1 via ${prefix6}:${a_r1}::2
}
+setup_multipath_new() {
+ # Set up host A with multipath routes to host B host4_b_addr
+ run_cmd ${ns_a} ip addr add ${host4_a_addr} dev lo
+ run_cmd ${ns_a} ip nexthop add id 401 via ${prefix4}.${a_r1}.2 dev veth_A-R1
+ run_cmd ${ns_a} ip nexthop add id 402 via ${prefix4}.${a_r2}.2 dev veth_A-R2
+ run_cmd ${ns_a} ip nexthop add id 403 group 401/402
+ run_cmd ${ns_a} ip route add ${host4_b_addr} src ${host4_a_addr} nhid 403
+
+ # Set up host B with multipath routes to host A host4_a_addr
+ run_cmd ${ns_b} ip addr add ${host4_b_addr} dev lo
+ run_cmd ${ns_b} ip nexthop add id 401 via ${prefix4}.${b_r1}.2 dev veth_B-R1
+ run_cmd ${ns_b} ip nexthop add id 402 via ${prefix4}.${b_r2}.2 dev veth_B-R2
+ run_cmd ${ns_b} ip nexthop add id 403 group 401/402
+ run_cmd ${ns_b} ip route add ${host4_a_addr} src ${host4_b_addr} nhid 403
+}
+
+setup_multipath_old() {
+ # Set up host A with multipath routes to host B host4_b_addr
+ run_cmd ${ns_a} ip addr add ${host4_a_addr} dev lo
+ run_cmd ${ns_a} ip route add ${host4_b_addr} \
+ src ${host4_a_addr} \
+ nexthop via ${prefix4}.${a_r1}.2 weight 1 \
+ nexthop via ${prefix4}.${a_r2}.2 weight 1
+
+ # Set up host B with multipath routes to host A host4_a_addr
+ run_cmd ${ns_b} ip addr add ${host4_b_addr} dev lo
+ run_cmd ${ns_b} ip route add ${host4_a_addr} \
+ src ${host4_b_addr} \
+ nexthop via ${prefix4}.${b_r1}.2 weight 1 \
+ nexthop via ${prefix4}.${b_r2}.2 weight 1
+}
+
+setup_multipath() {
+ if [ "$USE_NH" = "yes" ]; then
+ setup_multipath_new
+ else
+ setup_multipath_old
+ fi
+
+ # Set up routers with routes to dummies
+ run_cmd ${ns_r1} ip route add ${host4_a_addr} via ${prefix4}.${a_r1}.1
+ run_cmd ${ns_r2} ip route add ${host4_a_addr} via ${prefix4}.${a_r2}.1
+ run_cmd ${ns_r1} ip route add ${host4_b_addr} via ${prefix4}.${b_r1}.1
+ run_cmd ${ns_r2} ip route add ${host4_b_addr} via ${prefix4}.${b_r2}.1
+}
+
setup() {
[ "$(id -u)" -ne 0 ] && echo " need to run as root" && return $ksft_skip
@@ -982,23 +1038,15 @@ link_get_mtu() {
}
route_get_dst_exception() {
- ns_cmd="${1}"
- dst="${2}"
- dsfield="${3}"
+ ns_cmd="${1}"; shift
- if [ -z "${dsfield}" ]; then
- dsfield=0
- fi
-
- ${ns_cmd} ip route get "${dst}" dsfield "${dsfield}"
+ ${ns_cmd} ip route get "$@"
}
route_get_dst_pmtu_from_exception() {
- ns_cmd="${1}"
- dst="${2}"
- dsfield="${3}"
+ ns_cmd="${1}"; shift
- mtu_parse "$(route_get_dst_exception "${ns_cmd}" "${dst}" "${dsfield}")"
+ mtu_parse "$(route_get_dst_exception "${ns_cmd}" "$@")"
}
check_pmtu_value() {
@@ -1141,10 +1189,10 @@ test_pmtu_ipv4_dscp_icmp_exception() {
run_cmd "${ns_a}" ping -q -M want -Q "${dsfield}" -c 1 -w 1 -s "${len}" "${dst2}"
# Check that exceptions have been created with the correct PMTU
- pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" "${policy_mark}")"
+ pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" dsfield "${policy_mark}")"
check_pmtu_value "1400" "${pmtu_1}" "exceeding MTU" || return 1
- pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" "${policy_mark}")"
+ pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" dsfield "${policy_mark}")"
check_pmtu_value "1500" "${pmtu_2}" "exceeding MTU" || return 1
}
@@ -1191,9 +1239,9 @@ test_pmtu_ipv4_dscp_udp_exception() {
UDP:"${dst2}":50000,tos="${dsfield}"
# Check that exceptions have been created with the correct PMTU
- pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" "${policy_mark}")"
+ pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" dsfield "${policy_mark}")"
check_pmtu_value "1400" "${pmtu_1}" "exceeding MTU" || return 1
- pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" "${policy_mark}")"
+ pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" dsfield "${policy_mark}")"
check_pmtu_value "1500" "${pmtu_2}" "exceeding MTU" || return 1
}
@@ -2234,6 +2282,36 @@ test_pmtu_ipv6_route_change() {
test_pmtu_ipvX_route_change 6
}
+test_pmtu_ipv4_mp_exceptions() {
+ setup namespaces routing multipath || return $ksft_skip
+
+ trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \
+ "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \
+ "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2
+
+ # Set up initial MTU values
+ mtu "${ns_a}" veth_A-R1 2000
+ mtu "${ns_r1}" veth_R1-A 2000
+ mtu "${ns_r1}" veth_R1-B 1500
+ mtu "${ns_b}" veth_B-R1 1500
+
+ mtu "${ns_a}" veth_A-R2 2000
+ mtu "${ns_r2}" veth_R2-A 2000
+ mtu "${ns_r2}" veth_R2-B 1500
+ mtu "${ns_b}" veth_B-R2 1500
+
+ # Ping and expect two nexthop exceptions for two routes
+ run_cmd ${ns_a} ping -q -M want -i 0.1 -c 1 -s 1800 "${host4_b_addr}"
+
+ # Check that exceptions have been created with the correct PMTU
+ pmtu_a_R1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${host4_b_addr}" oif veth_A-R1)"
+ pmtu_a_R2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${host4_b_addr}" oif veth_A-R2)"
+
+ check_pmtu_value "1500" "${pmtu_a_R1}" "exceeding MTU (veth_A-R1)" || return 1
+ check_pmtu_value "1500" "${pmtu_a_R2}" "exceeding MTU (veth_A-R2)" || return 1
+}
+
usage() {
echo
echo "$0 [OPTIONS] [TEST]..."
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 488f4964365e..855505c40ed8 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -921,10 +921,10 @@ kci_test_ipsec_offload()
# does driver have correct offload info
diff $sysfsf - << EOF
SA count=2 tx=3
-sa[0] tx ipaddr=0x00000000 00000000 00000000 00000000
+sa[0] tx ipaddr=$dstip
sa[0] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
sa[0] key=0x34333231 38373635 32313039 36353433
-sa[1] rx ipaddr=0x00000000 00000000 00000000 037ba8c0
+sa[1] rx ipaddr=$srcip
sa[1] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
sa[1] key=0x34333231 38373635 32313039 36353433
EOF
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 1525e88c6cf9..a985e5795482 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -952,6 +952,14 @@ static int stop_tracing;
static struct trace_instance *hist_inst = NULL;
static void stop_hist(int sig)
{
+ if (stop_tracing) {
+ /*
+ * Stop requested twice in a row; abort event processing and
+ * exit immediately
+ */
+ tracefs_iterate_stop(hist_inst->inst);
+ return;
+ }
stop_tracing = 1;
if (hist_inst)
trace_instance_stop(hist_inst);
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index 5a33789a375e..1fed4c8d8520 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -731,6 +731,14 @@ static int stop_tracing;
static struct trace_instance *top_inst = NULL;
static void stop_top(int sig)
{
+ if (stop_tracing) {
+ /*
+ * Stop requested twice in a row; abort event processing and
+ * exit immediately
+ */
+ tracefs_iterate_stop(top_inst->inst);
+ return;
+ }
stop_tracing = 1;
if (top_inst)
trace_instance_stop(top_inst);
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