linux-kernel - [tip:perf/urgent] perf/x86: Fix typo in uncore_pmu_to

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Message-ID: <tip-402537fd9f5499d1a50a6f20cdd9031d24ee2e47@git.kernel.org>
Date:	Thu, 27 Sep 2012 00:38:50 -0700
From:	"tip-bot for Yan, Zheng" <zheng.z.yan@...el.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	zheng.z.yan@...el.com, tglx@...utronix.de
Subject: [tip:perf/urgent] perf/x86: Fix typo in uncore_pmu_to_box

Commit-ID:  402537fd9f5499d1a50a6f20cdd9031d24ee2e47
Gitweb:     http://git.kernel.org/tip/402537fd9f5499d1a50a6f20cdd9031d24ee2e47
Author:     Yan, Zheng <zheng.z.yan@...el.com>
AuthorDate: Thu, 27 Sep 2012 09:33:26 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 27 Sep 2012 08:05:13 +0200

perf/x86: Fix typo in uncore_pmu_to_box

The variable box should not be declared as static.

This could probably cause crashes with sufficiently parallel
uncore PMU use.

Signed-off-by: Yan, Zheng <zheng.z.yan@...el.com>
Cc: eranian@...gle.com
Cc: a.p.zijlstra@...llo.nl
Link: http://lkml.kernel.org/r/1348709606-2759-1-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/perf_event_intel_uncore.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 38e4894..c7c55e7 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -1950,7 +1950,7 @@ struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cp
 static struct intel_uncore_box *
 uncore_pmu_to_box(struct intel_uncore_pmu *pmu, int cpu)
 {
-	static struct intel_uncore_box *box;
+	struct intel_uncore_box *box;
 
 	box = *per_cpu_ptr(pmu->box, cpu);
 	if (box)
--
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