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| author | Peter Zijlstra <peterz@infradead.org> | 2010-02-26 17:07:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-26 17:25:19 +0100 |
| commit | 1dd2980d990068e20045b90c424518cc7f3657ff (patch) | |
| tree | 04a7250ff88eb88856c541e5286b493c6fb897d4 /arch | |
| parent | perf_event: Fix preempt warning in perf_clock() (diff) | |
| download | linux-1dd2980d990068e20045b90c424518cc7f3657ff.tar.xz linux-1dd2980d990068e20045b90c424518cc7f3657ff.zip | |
perf_event, amd: Fix spinlock initialization
Avoid kernels from exploding on AMD machines when they have any
lock debugging bits enabled.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_amd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 6d28e08563e8..8f3dbfda3c4f 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -1,6 +1,6 @@ #ifdef CONFIG_CPU_SUP_AMD -static raw_spinlock_t amd_nb_lock; +static DEFINE_RAW_SPINLOCK(amd_nb_lock); static __initconst u64 amd_hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX] |