[tip:perf/core] perf_event, amd: Fix spinlock initialization

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Commit-ID:  1dd2980d990068e20045b90c424518cc7f3657ff
Gitweb:     http://git.kernel.org/tip/1dd2980d990068e20045b90c424518cc7f3657ff
Author:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Fri, 26 Feb 2010 17:07:35 +0100
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 26 Feb 2010 17:25:19 +0100

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@xxxxxxx>
---
 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 6d28e08..8f3dbfd 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]
--
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