diff options
author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
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committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
commit | bcb7416e3480c1abb46266bdab874b3b3d6124cb (patch) | |
tree | 9d889b14957c0e266697d0674675bc42b0899571 /tools/perf/util/thread.c | |
parent | 90b2df5743cd92f4525f662e8f12a536dfb58557 (diff) | |
parent | 52d2d44eee8091e740d0d275df1311fb8373c9a9 (diff) |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh
backmerge of drm-next to pull it in.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'tools/perf/util/thread.c')
-rw-r--r-- | tools/perf/util/thread.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 403045a2bbea..b413ba5b9835 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -133,7 +133,7 @@ void thread__put(struct thread *thread) } } -struct namespaces *thread__namespaces(const struct thread *thread) +static struct namespaces *__thread__namespaces(const struct thread *thread) { if (list_empty(&thread->namespaces_list)) return NULL; @@ -141,10 +141,21 @@ struct namespaces *thread__namespaces(const struct thread *thread) return list_first_entry(&thread->namespaces_list, struct namespaces, list); } +struct namespaces *thread__namespaces(const struct thread *thread) +{ + struct namespaces *ns; + + down_read((struct rw_semaphore *)&thread->namespaces_lock); + ns = __thread__namespaces(thread); + up_read((struct rw_semaphore *)&thread->namespaces_lock); + + return ns; +} + static int __thread__set_namespaces(struct thread *thread, u64 timestamp, struct namespaces_event *event) { - struct namespaces *new, *curr = thread__namespaces(thread); + struct namespaces *new, *curr = __thread__namespaces(thread); new = namespaces__new(event); if (!new) |