From: Robert Richter <robert.richter@amd.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Robert Richter <robert.richter@amd.com>
Subject: [PATCH] perf, x86: Fix raw_spin_unlock_irqrestore() usage
Date: Fri, 23 Dec 2011 14:24:25 +0100 [thread overview]
Message-ID: <1324646665-13334-1-git-send-email-robert.richter@amd.com> (raw)
Use raw_spin_unlock_irqrestore() as equivalent to
raw_spin_lock_irqsave().
Signed-off-by: Robert Richter <robert.richter@amd.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
next reply other threads:[~2011-12-23 13:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-23 13:24 Robert Richter [this message]
2011-12-24 7:32 ` [tip:perf/urgent] perf/x86: " tip-bot for Robert Richter
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