diff options
| author | Dan Carpenter <[email protected]> | 2018-03-17 14:52:16 +0300 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2018-03-20 08:53:31 +0100 |
| commit | e5ea9b54a055619160bbfe527ebb7d7191823d66 (patch) | |
| tree | ac3d616f50cadace0863e9ddd0d1b86c6690b6bd /lib/test-string_helpers.c | |
| parent | 2c2a9bbe7fecb2ad4981b6f4a56cacbfb849f848 (diff) | |
perf/x86/intel: Don't accidentally clear high bits in bdw_limit_period()
We intended to clear the lowest 6 bits but because of a type bug we
clear the high 32 bits as well. Andi says that periods are rarely more
than U32_MAX so this bug probably doesn't have a huge runtime impact.
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Fixes: 294fe0f52a44 ("perf/x86/intel: Add INST_RETIRED.ALL workarounds")
Link: http://lkml.kernel.org/r/20180317115216.GB4035@mwanda
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions