xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf symbols: Protect dso symbol loading using a mutex

Browse Source 
Add mutex to protect it from concurrent dso__load().

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1431909055-21442-26-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2015-05-18 09:30:40 +09:00
committed by Arnaldo Carvalho de Melo
parent 9c9f5a2f19
commit 4a936edc31
3 changed files with 27 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/util/dso.c
View File

@@ -936,6 +936,7 @@ struct dso *dso__new(const char *name)
RB_CLEAR_NODE(&dso->rb_node);
INIT_LIST_HEAD(&dso->node);
INIT_LIST_HEAD(&dso->data.open_entry);
pthread_mutex_init(&dso->lock, NULL);
}
return dso;
@@ -966,6 +967,7 @@ void dso__delete(struct dso *dso)
dso_cache__free(&dso->data.cache);
dso__free_a2l(dso);
zfree(&dso->symsrc_filename);
pthread_mutex_destroy(&dso->lock);
free(dso);
}