[tip:perfcounters/core] perf_counter: Simplify context cleanup

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Commit-ID:  aa9c67f53d1969cf1db4c9c2db3a78c4ceb96469
Gitweb:     http://git.kernel.org/tip/aa9c67f53d1969cf1db4c9c2db3a78c4ceb96469
Author:     Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Sat, 23 May 2009 18:28:59 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sat, 23 May 2009 19:37:47 +0200

perf_counter: Simplify context cleanup

Use perf_counter_remove_from_context() to remove counters from
the context.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: John Kacur <jkacur@xxxxxxxxxx>
LKML-Reference: <20090523163012.796275849@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 kernel/perf_counter.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index d162d2f..0e97f89 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -3416,10 +3416,7 @@ __perf_counter_exit_task(struct task_struct *child,
 	struct perf_counter *parent_counter;
 
 	update_counter_times(child_counter);
-
-	spin_lock_irq(&child_ctx->lock);
-	list_del_counter(child_counter, child_ctx);
-	spin_unlock_irq(&child_ctx->lock);
+	perf_counter_remove_from_context(child_counter);
 
 	parent_counter = child_counter->parent;
 	/*
--
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