diff options
| -rw-r--r-- | arch/x86/kernel/nmi_32.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/time_32.c | 3 | ||||
| -rw-r--r-- | include/asm-x86/hardirq_32.h | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index c7227e2180f..95d3fc203cf 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -353,7 +353,8 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason) * Take the local apic timer and PIT/HPET into account. We don't * know which one is active, when we have highres/dyntick on */ - sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_cpu(cpu).irqs[0]; + sum = per_cpu(irq_stat, cpu).apic_timer_irqs + + per_cpu(irq_stat, cpu).irq0_irqs; /* if the none of the timers isn't firing, this cpu isn't doing much */ if (!touched && last_irq_sums[cpu] == sum) { diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 19a6c678d02..56dadfc2f41 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -157,6 +157,9 @@ EXPORT_SYMBOL(profile_pc); */ irqreturn_t timer_interrupt(int irq, void *dev_id) { + /* Keep nmi watchdog up to date */ + per_cpu(irq_stat, smp_processor_id()).irq0_irqs++; + #ifdef CONFIG_X86_IO_APIC if (timer_ack) { /* diff --git a/include/asm-x86/hardirq_32.h b/include/asm-x86/hardirq_32.h index 0e358dc405f..34649585bb5 100644 --- a/include/asm-x86/hardirq_32.h +++ b/include/asm-x86/hardirq_32.h @@ -9,6 +9,7 @@ typedef struct { unsigned long idle_timestamp; unsigned int __nmi_count; /* arch dependent */ unsigned int apic_timer_irqs; /* arch dependent */ + unsigned int irq0_irqs; } ____cacheline_aligned irq_cpustat_t; DECLARE_PER_CPU(irq_cpustat_t, irq_stat); |