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| author | Ingo Molnar <mingo@elte.hu> | 2007-11-09 22:39:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-11-09 22:39:38 +0100 |
| commit | 0492007ed9b53f6a2a2f983910d0fe7c97b09822 (patch) | |
| tree | 0a9c9ac8dc46e3e38886bc92246dfd488617d7b1 /arch/x86/kernel/nmi_32.c | |
| parent | 4e2947f12516d13446d6ffa1d9e4fbd33b1636fa (diff) | |
| download | op-kernel-dev-0492007ed9b53f6a2a2f983910d0fe7c97b09822.zip op-kernel-dev-0492007ed9b53f6a2a2f983910d0fe7c97b09822.tar.gz | |
x86: make nmi_cpu_busy() always defined
nmi_cpu_busy() must be available on !SMP too.
this is in preparation to a smp_call_function_mask() fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/nmi_32.c')
| -rw-r--r-- | arch/x86/kernel/nmi_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index f803ed0..600fd40 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c @@ -51,13 +51,13 @@ static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu); 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, @@ -67,8 +67,8 @@ static __init void nmi_cpu_busy(void *data) care if they get somewhat less cycles. */ while (endflag == 0) mb(); -} #endif +} static int __init check_nmi_watchdog(void) { |
