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| author | Aric Cyr <[email protected]> | 2020-05-12 11:48:48 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2020-05-27 18:13:14 -0400 |
| commit | 4e5183200d9b66695c754ef214933402056e7b95 (patch) | |
| tree | 499c86fa12aa05bb51f93bca22f9a864a97990ee /tools/perf/scripts/python/stackcollapse.py | |
| parent | f7d5991b92ff824798693ddf231cf814c9d5a88b (diff) | |
drm/amd/display: Fix potential integer wraparound resulting in a hang
[Why]
If VUPDATE_END is before VUPDATE_START the delay calculated can become
very large, causing a soft hang.
[How]
Take the absolute value of the difference between START and END.
Signed-off-by: Aric Cyr <[email protected]>
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Qingqing Zhuo <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions