linux-kernel - [PATCH Not-for-merge 40/40] perf tools: Disable thread refcount due to bug

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Date:	Mon, 18 May 2015 09:30:55 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <andi@...stfloor.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH Not-for-merge 40/40] perf tools: Disable thread refcount due to bug

This makes thread mg sharing test failed due to not decrement
thread->refcnt on thread__put().

Not-signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/thread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 702f12dc5a90..dc5ec9a5cca1 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -163,7 +163,7 @@ struct thread *thread__get(struct thread *thread)
 
 void thread__put(struct thread *thread)
 {
-	if (thread && atomic_dec_and_test(&thread->refcnt)) {
+	if (thread && atomic_dec_and_test(&thread->refcnt) && 0) {
 		if (!RB_EMPTY_NODE(&thread->rb_node)) {
 			struct machine *machine = thread->mg->machine;
 
-- 
2.4.0

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