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| author | Namhyung Kim <namhyung@kernel.org> | 2015-05-18 09:30:42 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-18 10:17:38 -0300 |
| commit | 33bdedcea2d77231fe46b1204cf6fc3a7d7c96c9 (patch) | |
| tree | f647819aaaeb91644e3c68f4f14b7779917dd400 /security | |
| parent | 8e67b7258e582998ab635bdc3c884d7a8077af5b (diff) | |
| download | lwn-33bdedcea2d77231fe46b1204cf6fc3a7d7c96c9.tar.gz lwn-33bdedcea2d77231fe46b1204cf6fc3a7d7c96c9.zip | |
perf tools: Protect dso cache fd with a mutex
When dso cache is accessed in multi-thread environment, it's possible to
close other dso->data.fd during operation due to open file limit.
Protect the file descriptors using a separate mutex.
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/1431909055-21442-28-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions