diff options
| author | Will Deacon <will@kernel.org> | 2019-07-02 17:16:33 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-08 13:31:54 +0100 |
| commit | 2af2e72b18b499fa36d3f7379fd010ff25d2a984 (patch) | |
| tree | a3b5776b01e93bc97408e92058cc9da5baed4af4 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | 587e6c10a7ce89a5924fdbeff2ec524fbd6a124b (diff) | |
iommu/arm-smmu-v3: Defer TLB invalidation until ->iotlb_sync()
Update the iommu_iotlb_gather structure passed to ->tlb_add_page() and
use this information to defer all TLB invalidation until ->iotlb_sync().
This drastically reduces contention on the command queue, since we can
insert our commands in batches rather than one-by-one.
Tested-by: Ganapatrao Kulkarni <gkulkarni@marvell.com>
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