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| author | Vineet Gupta <[email protected]> | 2015-10-08 16:47:48 +0000 |
|---|---|---|
| committer | Vineet Gupta <[email protected]> | 2017-11-21 23:20:55 +0000 |
| commit | 5b9027d6d044d4917992119d184ab0bb616489cc (patch) | |
| tree | 80b05c4295140b9d1828c1fb0475c3d5bd04f214 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | |
| parent | ARCv2: perf: tweak overflow interrupt (diff) | |
| download | kernel-5b9027d6d044d4917992119d184ab0bb616489cc.tar.gz kernel-5b9027d6d044d4917992119d184ab0bb616489cc.zip | |
ARCv2: perf: optimize given that num counters <= 32
use ffz primitive which maps to ARCv2 instruction, vs. non atomic
__test_and_set_bit
It is unlikely if we will even have more than 32 counters, but still add
a BUILD_BUG to catch that
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Vineet Gupta <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
0 files changed, 0 insertions, 0 deletions