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Merge branch 'tracing/ftrace' into tracing/core

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Ingo Molnar
2009-01-29 14:27:58 +01:00
parent 4a66a82be7 8902528237
commit ce181ebeff
1 changed files with 5 additions and 6 deletions
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9
arch/x86/kernel/ftrace.c
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@@ -133,14 +133,13 @@ void ftrace_nmi_exit(void)
static void wait_for_nmi(void) static void wait_for_nmi(void)
{ {
int waited = 0; if (!atomic_read(&in_nmi))
return;
while (atomic_read(&in_nmi)) { do {
waited = 1;
cpu_relax(); cpu_relax();
} } while(atomic_read(&in_nmi));
if (waited)
nmi_wait_count++; nmi_wait_count++;
} }