diff options
| author | Will Deacon <will@kernel.org> | 2019-08-21 12:38:15 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-21 17:58:41 +0100 |
| commit | 7314ca8699e1defd6f2883f203c0e828a4f51f9f (patch) | |
| tree | 5d4d8295400c34caec78e010ff4909431991049a /tools/perf/scripts/python/check-perf-trace.py | |
| parent | f75d8e33df91ee66fc12820d0da1454b76ebcff9 (diff) | |
iommu/arm-smmu-v3: Don't issue CMD_SYNC for zero-length invalidations
Calling arm_smmu_tlb_inv_range() with a size of zero, perhaps due to
an empty 'iommu_iotlb_gather' structure, should be a NOP. Elide the
CMD_SYNC when there is no invalidation to be performed.
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions