linux-kernel - [PATCH] perf, x86: Fix raw_spin_unlock

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Date:	Fri, 23 Dec 2011 14:24:25 +0100
From:	Robert Richter <robert.richter@....com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, Stephane Eranian <eranian@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Robert Richter <robert.richter@....com>
Subject: [PATCH] perf, x86: Fix raw_spin_unlock_irqrestore() usage

Use raw_spin_unlock_irqrestore() as equivalent to
raw_spin_lock_irqsave().

Signed-off-by: Robert Richter <robert.richter@....com>
---
 arch/x86/kernel/cpu/perf_event_intel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 2c3bf53..31286bc 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1169,7 +1169,7 @@ again:
 		 */
 		c = &unconstrained;
 	} else if (intel_try_alt_er(event, orig_idx)) {
-		raw_spin_unlock(&era->lock);
+		raw_spin_unlock_irqrestore(&era->lock, flags);
 		goto again;
 	}
 	raw_spin_unlock_irqrestore(&era->lock, flags);
-- 
1.7.8


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