From 0492007ed9b53f6a2a2f983910d0fe7c97b09822 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 9 Nov 2007 22:39:38 +0100 Subject: [PATCH] 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 --- arch/x86/kernel/nmi_32.c | 4 ++-- 1 file 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) { -- 2.7.4