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[PATCH] x86-64: Increase NMI watchdog probing timeout 

A 4 core Opteron needs longer than 10 ticks for this.

Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen 2007-04-02 12:14:12 +02:00 committed by Andi Kleen
parent 89e07569e4
commit 0fb2ebfcb5
2 changed files with 2 additions and 2 deletions
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2
arch/i386/kernel/nmi.c
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@ -328,7 +328,7 @@ static int __init check_nmi_watchdog(void)
for_each_possible_cpu(cpu) for_each_possible_cpu(cpu)
prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count; prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
local_irq_enable(); local_irq_enable();
mdelay((10*1000)/nmi_hz); // wait 10 ticks mdelay((20*1000)/nmi_hz); // wait 20 ticks
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
#ifdef CONFIG_SMP #ifdef CONFIG_SMP

2
arch/x86_64/kernel/nmi.c
View File

@ -317,7 +317,7 @@ int __init check_nmi_watchdog (void)
for (cpu = 0; cpu < NR_CPUS; cpu++) for (cpu = 0; cpu < NR_CPUS; cpu++)
counts[cpu] = cpu_pda(cpu)->__nmi_count; counts[cpu] = cpu_pda(cpu)->__nmi_count;
local_irq_enable(); local_irq_enable();
mdelay((10*1000)/nmi_hz); // wait 10 ticks mdelay((20*1000)/nmi_hz); // wait 20 ticks
for_each_online_cpu(cpu) { for_each_online_cpu(cpu) {
if (!per_cpu(nmi_watchdog_ctlblk, cpu).enabled) if (!per_cpu(nmi_watchdog_ctlblk, cpu).enabled)