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>
mariux64 · Feb 26, 2010 · 1dd2980 · 1dd2980
1 parent 24691ea
commit 1dd2980
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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]