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| author | Adrian Hunter <[email protected]> | 2015-08-19 14:29:19 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2015-08-19 17:15:09 +0000 |
| commit | 0d7e7acc47133e82911e24758178815cfee309e9 (patch) | |
| tree | c95e7817da85ba9a8bf711d58600add03b7a16df /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | perf/x86/intel/cqm: Do not access cpu_data() from CPU_UP_PREPARE handler (diff) | |
| download | kernel-0d7e7acc47133e82911e24758178815cfee309e9.tar.gz kernel-0d7e7acc47133e82911e24758178815cfee309e9.zip | |
perf tools: Avoid deadlock when map_groups are broken
Attempting to clone map groups onto themselves will deadlock.
It only happens because of other bugs, but the code should protect
itself anyway.
Reported-by: Linus Torvalds <[email protected]>
Signed-off-by: Adrian Hunter <[email protected]>
Tested-by: Jiri Olsa <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
[ Use pr_debug() instead of dump_fprintf() ]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions