/*
- * linux/arch/i386/nmi.c
- *
* NMI watchdog support on APIC systems
*
* Started by Ingo Molnar <mingo@redhat.com>
static int endflag __initdata = 0;
-#ifdef CONFIG_SMP
/* The performance counters used by NMI_LOCAL_APIC don't trigger when
* the CPU is idle. To make sure the NMI watchdog really ticks on all
* CPUs during the test make them busy.
*/
static __init void nmi_cpu_busy(void *data)
{
+#ifdef CONFIG_SMP
local_irq_enable_in_hardirq();
/* Intentionally don't use cpu_relax here. This is
to make sure that the performance counter really ticks,
care if they get somewhat less cycles. */
while (endflag == 0)
mb();
-}
#endif
+}
static int __init check_nmi_watchdog(void)
{
if (!per_cpu(wd_enabled, cpu))
continue;
if (nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
- printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n",
+ printk(KERN_WARNING "WARNING: CPU#%d: NMI "
+ "appears to be stuck (%d->%d)!\n",
cpu,
prev_nmi_count[cpu],
nmi_count(cpu));
static struct sysdev_class nmi_sysclass = {
- set_kset_name("lapic_nmi"),
+ .name = "lapic_nmi",
.resume = lapic_nmi_resume,
.suspend = lapic_nmi_suspend,
};