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authorIngo Molnar <mingo@elte.hu>2007-11-09 22:39:38 +0100
committerIngo Molnar <mingo@elte.hu>2007-11-09 22:39:38 +0100
commit0492007ed9b53f6a2a2f983910d0fe7c97b09822 (patch)
tree0a9c9ac8dc46e3e38886bc92246dfd488617d7b1 /arch/x86/kernel/nmi_32.c
parent4e2947f12516d13446d6ffa1d9e4fbd33b1636fa (diff)
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.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
index f803ed0ed1c4..600fd404e440 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)
{