diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2019-05-27 08:11:49 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-05-28 23:37:43 +0200 |
| commit | 7cb10a08df98e643b87d4bc8422e50e9c43b5c60 (patch) | |
| tree | 725153387454ccf8336ad6c26263d628862c84b1 /tools/perf/util/thread.c | |
| parent | perf top: Add --namespaces option (diff) | |
| download | linux-7cb10a08df98e643b87d4bc8422e50e9c43b5c60.tar.xz linux-7cb10a08df98e643b87d4bc8422e50e9c43b5c60.zip | |
perf tools: Remove const from thread read accessors
The namespaces and comm fields of a thread are protected by rwsem and
require write access for it. So it ended up using a cast to remove
the const qualifier. Let's get rid of the const then.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Hari Bathini <hbathini@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Link: http://lkml.kernel.org/r/20190527061149.168640-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/thread.c')
| -rw-r--r-- | tools/perf/util/thread.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index b413ba5b9835..aab7807d445f 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -141,13 +141,13 @@ static 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 *thread__namespaces(struct thread *thread) { struct namespaces *ns; - down_read((struct rw_semaphore *)&thread->namespaces_lock); + down_read(&thread->namespaces_lock); ns = __thread__namespaces(thread); - up_read((struct rw_semaphore *)&thread->namespaces_lock); + up_read(&thread->namespaces_lock); return ns; } @@ -271,13 +271,13 @@ static const char *__thread__comm_str(const struct thread *thread) return comm__str(comm); } -const char *thread__comm_str(const struct thread *thread) +const char *thread__comm_str(struct thread *thread) { const char *str; - down_read((struct rw_semaphore *)&thread->comm_lock); + down_read(&thread->comm_lock); str = __thread__comm_str(thread); - up_read((struct rw_semaphore *)&thread->comm_lock); + up_read(&thread->comm_lock); return str; } |