diff options
| author | Josh Hunt <[email protected]> | 2011-06-27 16:18:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2011-06-27 18:00:13 -0700 |
| commit | aa2c96d6f329e66cc59352b0f12e8f04e6a9593b (patch) | |
| tree | 0d7db978da167df605b14d4880969b39caf5e0f4 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 507c5f1224014f9956e604ee8703b3bbea7da4a4 (diff) | |
drivers/misc/lkdtm.c: fix race when crashpoint is hit multiple times before checking count
We observed the crash point count going negative in cases where the
crash point is hit multiple times before the check of "count == 0" is
done. Because of this we never call lkdtm_do_action(). This patch just
adds a spinlock to protect count.
Reported-by: Tapan Dhimant <[email protected]>
Signed-off-by: Josh Hunt <[email protected]>
Acked-by: Ankita Garg <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions