[tip:perf/urgent] perf/x86: Fix raw_spin_unlock_irqrestore() usage

[tip-bot for Robert Richter <robert.richter@amd.com>]

Commit-ID:  2e64694de21a812d637dcbea4471ad1f7897b049
Gitweb:     http://git.kernel.org/tip/2e64694de21a812d637dcbea4471ad1f7897b049
Author:     Robert Richter <robert.richter@amd.com>
AuthorDate: Fri, 23 Dec 2011 14:24:25 +0100
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 23 Dec 2011 17:57:01 +0100

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@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1324646665-13334-1-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 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 8d601b1..121f1be 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);