4 files changed, 6 insertions, 2 deletions

diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index 3bc30d2c13d3..3eaceac32481 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -32,7 +32,7 @@ atomic_t irq_err_count;
  */
 static inline void stack_overflow_check(struct pt_regs *regs)
 {
-        u64 curbase = (u64) current->thread_info;
+        u64 curbase = (u64)task_stack_page(current);
         static unsigned long warned = -60*HZ;
 
         if (regs->rsp >= curbase && regs->rsp <= curbase + THREAD_SIZE &&
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 442169640e45..a14375dd5425 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -720,9 +720,11 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
 
         switch (action) {
         case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
                 mce_create_device(cpu);
                 break;
         case CPU_DEAD:
+        case CPU_DEAD_FROZEN:
                 mce_remove_device(cpu);
                 break;
         }
diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c
index d0bd5d66e103..03356e64f9c8 100644
--- a/arch/x86_64/kernel/mce_amd.c
+++ b/arch/x86_64/kernel/mce_amd.c
@@ -654,9 +654,11 @@ static int threshold_cpu_callback(struct notifier_block *nfb,
 
         switch (action) {
         case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
                 threshold_create_device(cpu);
                 break;
         case CPU_DEAD:
+        case CPU_DEAD_FROZEN:
                 threshold_remove_device(cpu);
                 break;
         default:
diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c
index dc32cef96195..51d4c6fa88c8 100644
--- a/arch/x86_64/kernel/vsyscall.c
+++ b/arch/x86_64/kernel/vsyscall.c
@@ -327,7 +327,7 @@ static int __cpuinit
 cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
 {
         long cpu = (long)arg;
-        if (action == CPU_ONLINE)
+        if (action == CPU_ONLINE || action == CPU_ONLINE_FROZEN)
                 smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1);
         return NOTIFY_DONE;
 }