Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [7/11] i386: Do not include other cpus' interrupt 0 in nmi_watchdog | Date | Fri, 20 Jul 2007 17:32:51 +0200 (CEST) |
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From: Keith Owens <kaos@ocs.com.au> kstat_irqs(0) includes the count of interrupt 0 from all cpus, not just the current cpu. The updated interrupt 0 on other cpus can stop the nmi_watchdog from tripping, so only include the current cpu's int 0.
Signed-off-by: Keith Owens <kaos@ocs.com.au> Signed-off-by: Andi Kleen <ak@suse.de>
--- arch/i386/kernel/nmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/i386/kernel/nmi.c =================================================================== --- linux.orig/arch/i386/kernel/nmi.c +++ linux/arch/i386/kernel/nmi.c @@ -353,7 +353,7 @@ __kprobes int nmi_watchdog_tick(struct p * 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_irqs(0); + sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_cpu(cpu).irqs[0]; /* if the none of the timers isn't firing, this cpu isn't doing much */ if (!touched && last_irq_sums[cpu] == sum) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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