diff options
Diffstat (limited to 'arch/x86/mm/tlb.c')
| -rw-r--r-- | arch/x86/mm/tlb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 6acc724d5d8..14b9317eccb 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -6,6 +6,7 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/cpu.h> +#include <trace/irq.h> #include <asm/tlbflush.h> #include <asm/mmu_context.h> @@ -141,6 +142,8 @@ void smp_invalidate_interrupt(struct pt_regs *regs) sender = ~regs->orig_ax - INVALIDATE_TLB_VECTOR_START; f = &flush_state[sender]; + trace_irq_entry(sender, regs, NULL); + if (!cpumask_test_cpu(cpu, to_cpumask(f->flush_cpumask))) goto out; /* @@ -167,6 +170,7 @@ out: cpumask_clear_cpu(cpu, to_cpumask(f->flush_cpumask)); smp_mb__after_clear_bit(); inc_irq_stat(irq_tlb_count); + trace_irq_exit(IRQ_HANDLED); } static void flush_tlb_others_ipi(const struct cpumask *cpumask, |