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Diffstat (limited to 'arch/i386/kernel/nmi.c')
-rw-r--r--arch/i386/kernel/nmi.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index be87c5e2ee9..d43b498ec74 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -138,12 +138,12 @@ static int __init check_nmi_watchdog(void)
if (nmi_watchdog == NMI_LOCAL_APIC)
smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
- for_each_cpu(cpu)
+ for_each_possible_cpu(cpu)
prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
local_irq_enable();
mdelay((10*1000)/nmi_hz); // wait 10 ticks
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
+ for_each_possible_cpu(cpu) {
#ifdef CONFIG_SMP
/* Check cpu_callin_map here because that is set
after the timer is started. */
@@ -510,7 +510,7 @@ void touch_nmi_watchdog (void)
* Just reset the alert counters, (other CPUs might be
* spinning on locks we hold):
*/
- for (i = 0; i < NR_CPUS; i++)
+ for_each_possible_cpu(i)
alert_counter[i] = 0;
/*
@@ -529,7 +529,8 @@ void nmi_watchdog_tick (struct pt_regs * regs)
* always switch the stack NMI-atomically, it's safe to use
* smp_processor_id().
*/
- int sum, cpu = smp_processor_id();
+ unsigned int sum;
+ int cpu = smp_processor_id();
sum = per_cpu(irq_stat, cpu).apic_timer_irqs;
@@ -543,7 +544,7 @@ void nmi_watchdog_tick (struct pt_regs * regs)
/*
* die_nmi will return ONLY if NOTIFY_STOP happens..
*/
- die_nmi(regs, "NMI Watchdog detected LOCKUP");
+ die_nmi(regs, "BUG: NMI Watchdog detected LOCKUP");
} else {
last_irq_sums[cpu] = sum;
alert_counter[cpu] = 0;