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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-09 09:11:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-09 09:11:21 +0200 |
| commit | 0154ec71d597692a0d0682b19eac4b3adfb7f3dc (patch) | |
| tree | 121b4ac35146f5696da090d3ae2534c76523e6c2 /tools/perf/util/thread.c | |
| parent | VMCI: Fixup atomic64_t abuse (diff) | |
| parent | Linux 5.2-rc4 (diff) | |
| download | linux-0154ec71d597692a0d0682b19eac4b3adfb7f3dc.tar.xz linux-0154ec71d597692a0d0682b19eac4b3adfb7f3dc.zip | |
Merge 5.2-rc4 into char-misc-next
We want the char/misc driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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) |