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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/traps_32.c9
-rw-r--r--arch/x86/kernel/traps_64.c2
2 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index c9a0120e510c..fb8e3cce7bfb 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -789,9 +789,12 @@ void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic)
static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
{
unsigned char reason = 0;
+ int cpu;
+
+ cpu = smp_processor_id();
- /* Only the BSP gets external NMIs from the system: */
- if (!smp_processor_id())
+ /* Only the BSP gets external NMIs from the system. */
+ if (!cpu)
reason = get_nmi_reason();
if (!(reason & 0xc0)) {
@@ -805,7 +808,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
*/
if (nmi_watchdog_tick(regs, reason))
return;
- if (!do_nmi_callback(regs, smp_processor_id()))
+ if (!do_nmi_callback(regs, cpu))
unknown_nmi_error(reason, regs);
#else
unknown_nmi_error(reason, regs);
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index bc21ddc97a02..9b9245f81b9f 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -827,7 +827,7 @@ unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
/* Runs on IST stack. This code must keep interrupts off all the time.
Nested NMIs are prevented by the CPU. */
-asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
+asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs)
{
unsigned char reason = 0;
int cpu;