diff options
Diffstat (limited to 'arch/x86/kernel/smp.c')
| -rw-r--r-- | arch/x86/kernel/smp.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index d85837574a79..f4fe0b8879e0 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -30,6 +30,7 @@ #include <asm/proto.h> #include <asm/apic.h> #include <asm/nmi.h> +#include <asm/trace/irq_vectors.h> /* * Some notes on x86 processor bugs affecting SMP operation: * @@ -264,6 +265,17 @@ void smp_reschedule_interrupt(struct pt_regs *regs) */ } +void smp_trace_reschedule_interrupt(struct pt_regs *regs) +{ + ack_APIC_irq(); + trace_reschedule_entry(RESCHEDULE_VECTOR); + __smp_reschedule_interrupt(); + trace_reschedule_exit(RESCHEDULE_VECTOR); + /* + * KVM uses this interrupt to force a cpu out of guest mode + */ +} + static inline void call_function_entering_irq(void) { ack_APIC_irq(); @@ -283,6 +295,15 @@ void smp_call_function_interrupt(struct pt_regs *regs) exiting_irq(); } +void smp_trace_call_function_interrupt(struct pt_regs *regs) +{ + call_function_entering_irq(); + trace_call_function_entry(CALL_FUNCTION_VECTOR); + __smp_call_function_interrupt(); + trace_call_function_exit(CALL_FUNCTION_VECTOR); + exiting_irq(); +} + static inline void __smp_call_function_single_interrupt(void) { generic_smp_call_function_single_interrupt(); @@ -296,6 +317,15 @@ void smp_call_function_single_interrupt(struct pt_regs *regs) exiting_irq(); } +void smp_trace_call_function_single_interrupt(struct pt_regs *regs) +{ + call_function_entering_irq(); + trace_call_function_single_entry(CALL_FUNCTION_SINGLE_VECTOR); + __smp_call_function_single_interrupt(); + trace_call_function_single_exit(CALL_FUNCTION_SINGLE_VECTOR); + exiting_irq(); +} + static int __init nonmi_ipi_setup(char *str) { smp_no_nmi_ipi = true; |