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-rw-r--r--arch/arm/kernel/asm-offsets.c2
-rw-r--r--arch/arm/kernel/calls.S4
-rw-r--r--arch/arm/kernel/entry-common.S5
-rw-r--r--arch/arm/kernel/head.S26
-rw-r--r--arch/arm/kernel/hw_breakpoint.c2
-rw-r--r--arch/arm/kernel/kprobes.c6
-rw-r--r--arch/arm/kernel/perf_event.c4
-rw-r--r--arch/arm/kernel/perf_event_v7.c2
-rw-r--r--arch/arm/kernel/signal.c160
-rw-r--r--arch/arm/kernel/smp.c6
-rw-r--r--arch/arm/kernel/smp_tlb.c12
-rw-r--r--arch/arm/kernel/smp_twd.c4
-rw-r--r--arch/arm/kernel/suspend.c1
-rw-r--r--arch/arm/kernel/traps.c2
14 files changed, 103 insertions, 133 deletions
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 5ce738b4350..923eec7105c 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -110,7 +110,7 @@ int main(void)
BLANK();
#endif
#ifdef CONFIG_CPU_HAS_ASID
- DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id));
+ DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
BLANK();
#endif
DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index a4fda4e7a37..c6ca7e37677 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -195,7 +195,7 @@
CALL(sys_getcwd)
CALL(sys_capget)
/* 185 */ CALL(sys_capset)
- CALL(sys_sigaltstack_wrapper)
+ CALL(sys_sigaltstack)
CALL(sys_sendfile)
CALL(sys_ni_syscall) /* getpmsg */
CALL(sys_ni_syscall) /* putpmsg */
@@ -387,7 +387,7 @@
/* 375 */ CALL(sys_setns)
CALL(sys_process_vm_readv)
CALL(sys_process_vm_writev)
- CALL(sys_ni_syscall) /* reserved for sys_kcmp */
+ CALL(sys_kcmp)
CALL(sys_finit_module)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index a6c301e90a3..3248cde504e 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -514,11 +514,6 @@ sys_rt_sigreturn_wrapper:
b sys_rt_sigreturn
ENDPROC(sys_rt_sigreturn_wrapper)
-sys_sigaltstack_wrapper:
- ldr r2, [sp, #S_OFF + S_SP]
- b do_sigaltstack
-ENDPROC(sys_sigaltstack_wrapper)
-
sys_statfs64_wrapper:
teq r1, #88
moveq r1, #84
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 486a15ae901..e0eb9a1cae7 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -184,13 +184,22 @@ __create_page_tables:
orr r3, r3, #3 @ PGD block type
mov r6, #4 @ PTRS_PER_PGD
mov r7, #1 << (55 - 32) @ L_PGD_SWAPPER
-1: str r3, [r0], #4 @ set bottom PGD entry bits
+1:
+#ifdef CONFIG_CPU_ENDIAN_BE8
str r7, [r0], #4 @ set top PGD entry bits
+ str r3, [r0], #4 @ set bottom PGD entry bits
+#else
+ str r3, [r0], #4 @ set bottom PGD entry bits
+ str r7, [r0], #4 @ set top PGD entry bits
+#endif
add r3, r3, #0x1000 @ next PMD table
subs r6, r6, #1
bne 1b
add r4, r4, #0x1000 @ point to the PMD tables
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ add r4, r4, #4 @ we only write the bottom word
+#endif
#endif
ldr r7, [r10, #PROCINFO_MM_MMUFLAGS] @ mm_mmuflags
@@ -258,6 +267,11 @@ __create_page_tables:
addne r6, r6, #1 << SECTION_SHIFT
strne r6, [r3]
+#if defined(CONFIG_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8)
+ sub r4, r4, #4 @ Fixup page table pointer
+ @ for 64-bit descriptors
+#endif
+
#ifdef CONFIG_DEBUG_LL
#if !defined(CONFIG_DEBUG_ICEDCC) && !defined(CONFIG_DEBUG_SEMIHOSTING)
/*
@@ -276,13 +290,17 @@ __create_page_tables:
orr r3, r7, r3, lsl #SECTION_SHIFT
#ifdef CONFIG_ARM_LPAE
mov r7, #1 << (54 - 32) @ XN
+#ifdef CONFIG_CPU_ENDIAN_BE8
+ str r7, [r0], #4
+ str r3, [r0], #4
#else
- orr r3, r3, #PMD_SECT_XN
-#endif
str r3, [r0], #4
-#ifdef CONFIG_ARM_LPAE
str r7, [r0], #4
#endif
+#else
+ orr r3, r3, #PMD_SECT_XN
+ str r3, [r0], #4
+#endif
#else /* CONFIG_DEBUG_ICEDCC || CONFIG_DEBUG_SEMIHOSTING */
/* we don't need any serial debugging mappings */
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 5eae53e7a2e..96093b75ab9 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -1023,7 +1023,7 @@ out_mdbgen:
static int __cpuinit dbg_reset_notify(struct notifier_block *self,
unsigned long action, void *cpu)
{
- if (action == CPU_ONLINE)
+ if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE)
smp_call_function_single((int)cpu, reset_ctrl_regs, NULL, 1);
return NOTIFY_OK;
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index 4dd41fc9e23..170e9f34003 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -395,7 +395,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs)
{
struct kretprobe_instance *ri = NULL;
struct hlist_head *head, empty_rp;
- struct hlist_node *node, *tmp;
+ struct hlist_node *tmp;
unsigned long flags, orig_ret_address = 0;
unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
@@ -415,7 +415,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs)
* real return address, and all the rest will point to
* kretprobe_trampoline
*/
- hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+ hlist_for_each_entry_safe(ri, tmp, head, hlist) {
if (ri->task != current)
/* another task is sharing our hash bucket */
continue;
@@ -442,7 +442,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs)
kretprobe_assert(ri, orig_ret_address, trampoline_address);
kretprobe_hash_unlock(current, &flags);
- hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
+ hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
hlist_del(&ri->hlist);
kfree(ri);
}
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 31e0eb353cd..146157dfe27 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -400,7 +400,7 @@ __hw_perf_event_init(struct perf_event *event)
}
if (event->group_leader != event) {
- if (validate_group(event) != 0);
+ if (validate_group(event) != 0)
return -EINVAL;
}
@@ -484,7 +484,7 @@ const struct dev_pm_ops armpmu_dev_pm_ops = {
SET_RUNTIME_PM_OPS(armpmu_runtime_suspend, armpmu_runtime_resume, NULL)
};
-static void __init armpmu_init(struct arm_pmu *armpmu)
+static void armpmu_init(struct arm_pmu *armpmu)
{
atomic_set(&armpmu->active_events, 0);
mutex_init(&armpmu->reserve_mutex);
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 8c79a9e70b8..039cffb053a 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -774,7 +774,7 @@ static const unsigned armv7_a7_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
/*
* PMXEVTYPER: Event selection reg
*/
-#define ARMV7_EVTYPE_MASK 0xc00000ff /* Mask for writable bits */
+#define ARMV7_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */
#define ARMV7_EVTYPE_EVENT 0xff /* Mask for EVENT bits */
/*
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 56f72d257eb..296786bdbb7 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -45,48 +45,6 @@ const unsigned long sigreturn_codes[7] = {
MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN,
};
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
-
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction __user *act,
- struct old_sigaction __user *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
- __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
- __get_user(mask, &act->sa_mask))
- return -EFAULT;
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
- return -EFAULT;
- }
-
- return ret;
-}
-
#ifdef CONFIG_CRUNCH
static int preserve_crunch_context(struct crunch_sigframe __user *frame)
{
@@ -300,7 +258,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigframe(regs, &frame->sig))
goto badframe;
- if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT)
+ if (restore_altstack(&frame->sig.uc.uc_stack))
goto badframe;
return regs->ARM_r0;
@@ -360,18 +318,12 @@ setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set)
}
static inline void __user *
-get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, int framesize)
+get_sigframe(struct ksignal *ksig, struct pt_regs *regs, int framesize)
{
- unsigned long sp = regs->ARM_sp;
+ unsigned long sp = sigsp(regs->ARM_sp, ksig);
void __user *frame;
/*
- * This is the X/Open sanctioned signal stack switching.
- */
- if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp))
- sp = current->sas_ss_sp + current->sas_ss_size;
-
- /*
* ATPCS B01 mandates 8-byte alignment
*/
frame = (void __user *)((sp - framesize) & ~7);
@@ -385,11 +337,22 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, int framesize)
return frame;
}
+/*
+ * translate the signal
+ */
+static inline int map_sig(int sig)
+{
+ struct thread_info *thread = current_thread_info();
+ if (sig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap)
+ sig = thread->exec_domain->signal_invmap[sig];
+ return sig;
+}
+
static int
-setup_return(struct pt_regs *regs, struct k_sigaction *ka,
- unsigned long __user *rc, void __user *frame, int usig)
+setup_return(struct pt_regs *regs, struct ksignal *ksig,
+ unsigned long __user *rc, void __user *frame)
{
- unsigned long handler = (unsigned long)ka->sa.sa_handler;
+ unsigned long handler = (unsigned long)ksig->ka.sa.sa_handler;
unsigned long retcode;
int thumb = 0;
unsigned long cpsr = regs->ARM_cpsr & ~(PSR_f | PSR_E_BIT);
@@ -399,7 +362,7 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
/*
* Maybe we need to deliver a 32-bit signal to a 26-bit task.
*/
- if (ka->sa.sa_flags & SA_THIRTYTWO)
+ if (ksig->ka.sa.sa_flags & SA_THIRTYTWO)
cpsr = (cpsr & ~MODE_MASK) | USR_MODE;
#ifdef CONFIG_ARM_THUMB
@@ -421,12 +384,12 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
}
#endif
- if (ka->sa.sa_flags & SA_RESTORER) {
- retcode = (unsigned long)ka->sa.sa_restorer;
+ if (ksig->ka.sa.sa_flags & SA_RESTORER) {
+ retcode = (unsigned long)ksig->ka.sa.sa_restorer;
} else {
unsigned int idx = thumb << 1;
- if (ka->sa.sa_flags & SA_SIGINFO)
+ if (ksig->ka.sa.sa_flags & SA_SIGINFO)
idx += 3;
if (__put_user(sigreturn_codes[idx], rc) ||
@@ -451,7 +414,7 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
}
}
- regs->ARM_r0 = usig;
+ regs->ARM_r0 = map_sig(ksig->sig);
regs->ARM_sp = (unsigned long)frame;
regs->ARM_lr = retcode;
regs->ARM_pc = handler;
@@ -461,9 +424,9 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka,
}
static int
-setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs)
+setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
- struct sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
+ struct sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));
int err = 0;
if (!frame)
@@ -476,36 +439,29 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg
err |= setup_sigframe(frame, regs, set);
if (err == 0)
- err = setup_return(regs, ka, frame->retcode, frame, usig);
+ err = setup_return(regs, ksig, frame->retcode, frame);
return err;
}
static int
-setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
+setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
- struct rt_sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
- stack_t stack;
+ struct rt_sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));
int err = 0;
if (!frame)
return 1;
- err |= copy_siginfo_to_user(&frame->info, info);
+ err |= copy_siginfo_to_user(&frame->info, &ksig->info);
__put_user_error(0, &frame->sig.uc.uc_flags, err);
__put_user_error(NULL, &frame->sig.uc.uc_link, err);
- memset(&stack, 0, sizeof(stack));
- stack.ss_sp = (void __user *)current->sas_ss_sp;
- stack.ss_flags = sas_ss_flags(regs->ARM_sp);
- stack.ss_size = current->sas_ss_size;
- err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack));
-
+ err |= __save_altstack(&frame->sig.uc.uc_stack, regs->ARM_sp);
err |= setup_sigframe(&frame->sig, regs, set);
if (err == 0)
- err = setup_return(regs, ka, frame->sig.retcode, frame, usig);
+ err = setup_return(regs, ksig, frame->sig.retcode, frame);
if (err == 0) {
/*
@@ -523,40 +479,25 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
/*
* OK, we're invoking a handler
*/
-static void
-handle_signal(unsigned long sig, struct k_sigaction *ka,
- siginfo_t *info, struct pt_regs *regs)
+static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
{
- struct thread_info *thread = current_thread_info();
- struct task_struct *tsk = current;
sigset_t *oldset = sigmask_to_save();
- int usig = sig;
int ret;
/*
- * translate the signal
- */
- if (usig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap)
- usig = thread->exec_domain->signal_invmap[usig];
-
- /*
* Set up the stack frame
*/
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = setup_rt_frame(usig, ka, info, oldset, regs);
+ if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+ ret = setup_rt_frame(ksig, oldset, regs);
else
- ret = setup_frame(usig, ka, oldset, regs);
+ ret = setup_frame(ksig, oldset, regs);
/*
* Check that the resulting registers are actually sane.
*/
ret |= !valid_user_regs(regs);
- if (ret != 0) {
- force_sigsegv(sig, tsk);
- return;
- }
- signal_delivered(sig, info, ka, regs, 0);
+ signal_setup_done(ret, ksig, 0);
}
/*
@@ -571,9 +512,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
static int do_signal(struct pt_regs *regs, int syscall)
{
unsigned int retval = 0, continue_addr = 0, restart_addr = 0;
- struct k_sigaction ka;
- siginfo_t info;
- int signr;
+ struct ksignal ksig;
int restart = 0;
/*
@@ -605,33 +544,32 @@ static int do_signal(struct pt_regs *regs, int syscall)
* Get the signal to deliver. When running under ptrace, at this
* point the debugger may change all our registers ...
*/
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
/*
* Depending on the signal settings we may need to revert the
* decision to restart the system call. But skip this if a
* debugger has chosen to restart at a different PC.
*/
- if (regs->ARM_pc != restart_addr)
- restart = 0;
- if (signr > 0) {
- if (unlikely(restart)) {
+ if (get_signal(&ksig)) {
+ /* handler */
+ if (unlikely(restart) && regs->ARM_pc == restart_addr) {
if (retval == -ERESTARTNOHAND ||
retval == -ERESTART_RESTARTBLOCK
|| (retval == -ERESTARTSYS
- && !(ka.sa.sa_flags & SA_RESTART))) {
+ && !(ksig.ka.sa.sa_flags & SA_RESTART))) {
regs->ARM_r0 = -EINTR;
regs->ARM_pc = continue_addr;
}
}
-
- handle_signal(signr, &ka, &info, regs);
- return 0;
+ handle_signal(&ksig, regs);
+ } else {
+ /* no handler */
+ restore_saved_sigmask();
+ if (unlikely(restart) && regs->ARM_pc == restart_addr) {
+ regs->ARM_pc = continue_addr;
+ return restart;
+ }
}
-
- restore_saved_sigmask();
- if (unlikely(restart))
- regs->ARM_pc = continue_addr;
- return restart;
+ return 0;
}
asmlinkage int
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 5f73f7018f5..31644f1978d 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -285,6 +285,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
* switch away from it before attempting any exclusive accesses.
*/
cpu_switch_mm(mm->pgd, mm);
+ local_flush_bp_all();
enter_lazy_tlb(mm, current);
local_flush_tlb_all();
@@ -466,8 +467,6 @@ void tick_broadcast(const struct cpumask *mask)
{
smp_cross_call(mask, IPI_TIMER);
}
-#else
-#define smp_timer_broadcast NULL
#endif
static void broadcast_timer_set_mode(enum clock_event_mode mode,
@@ -674,6 +673,9 @@ static int cpufreq_callback(struct notifier_block *nb,
if (freq->flags & CPUFREQ_CONST_LOOPS)
return NOTIFY_OK;
+ if (arm_delay_ops.const_clock)
+ return NOTIFY_OK;
+
if (!per_cpu(l_p_j_ref, cpu)) {
per_cpu(l_p_j_ref, cpu) =
per_cpu(cpu_data, cpu).loops_per_jiffy;
diff --git a/arch/arm/kernel/smp_tlb.c b/arch/arm/kernel/smp_tlb.c
index 02c5d2ce23b..bd030053139 100644
--- a/arch/arm/kernel/smp_tlb.c
+++ b/arch/arm/kernel/smp_tlb.c
@@ -64,6 +64,11 @@ static inline void ipi_flush_tlb_kernel_range(void *arg)
local_flush_tlb_kernel_range(ta->ta_start, ta->ta_end);
}
+static inline void ipi_flush_bp_all(void *ignored)
+{
+ local_flush_bp_all();
+}
+
void flush_tlb_all(void)
{
if (tlb_ops_need_broadcast())
@@ -127,3 +132,10 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
local_flush_tlb_kernel_range(start, end);
}
+void flush_bp_all(void)
+{
+ if (tlb_ops_need_broadcast())
+ on_each_cpu(ipi_flush_bp_all, NULL, 1);
+ else
+ local_flush_bp_all();
+}
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index c092115d903..3f256503748 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -22,6 +22,7 @@
#include <linux/of_irq.h>
#include <linux/of_address.h>
+#include <asm/smp_plat.h>
#include <asm/smp_twd.h>
#include <asm/localtimer.h>
@@ -373,6 +374,9 @@ void __init twd_local_timer_of_register(void)
struct device_node *np;
int err;
+ if (!is_smp() || !setup_max_cpus)
+ return;
+
np = of_find_matching_node(NULL, twd_of_match);
if (!np)
return;
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c
index 358bca3a995..c59c97ea826 100644
--- a/arch/arm/kernel/suspend.c
+++ b/arch/arm/kernel/suspend.c
@@ -68,6 +68,7 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
ret = __cpu_suspend(arg, fn);
if (ret == 0) {
cpu_switch_mm(mm->pgd, mm);
+ local_flush_bp_all();
local_flush_tlb_all();
}
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index b0179b89a04..1c089119b2d 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -296,7 +296,7 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
bust_spinlocks(0);
die_owner = -1;
- add_taint(TAINT_DIE);
+ add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
die_nest_count--;
if (!die_nest_count)
/* Nest count reaches zero, release the lock. */