linux-kernel - [PATCH -tip] perf_counter/x86: Fix incorrect default branch

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Message-ID: <20090609074621.GA19290@ywang-moblin2.bj.intel.com>
Date:	Tue, 9 Jun 2009 15:46:21 +0800
From:	Yong Wang <yong.y.wang@...ux.intel.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH -tip] perf_counter/x86: Fix incorrect default branch

The event selector and UMASK values of Nehalem do not apply to all Intel processors.

Signed-off-by: Yong Wang <yong.y.wang@...el.com>

---
 arch/x86/kernel/cpu/perf_counter.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 56001fe..c74b6d1 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -1413,7 +1413,6 @@ static int intel_pmu_init(void)
 
 		pr_cont("Core2 events, ");
 		break;
-	default:
 	case 26:
 		memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
@@ -1426,6 +1425,8 @@ static int intel_pmu_init(void)
 
 		pr_cont("Atom events, ");
 		break;
+	default:
+		break;
 	}
 	return 0;
 }
--
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