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-rw-r--r--tools/perf/util/thread.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index aee9a42..c09bdb5 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -264,7 +264,7 @@ static int __thread__prepare_access(struct thread *thread)
struct maps *maps = &thread->mg->maps[i];
struct map *map;
- pthread_rwlock_rdlock(&maps->lock);
+ down_read(&maps->lock);
for (map = maps__first(maps); map; map = map__next(map)) {
err = unwind__prepare_access(thread, map, &initialized);
@@ -272,7 +272,7 @@ static int __thread__prepare_access(struct thread *thread)
break;
}
- pthread_rwlock_unlock(&maps->lock);
+ up_read(&maps->lock);
}
return err;
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