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| author |   Will Deacon <will@kernel.org> | 2019-08-20 14:28:59 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-21 17:58:42 +0100 |
| commit | bfff88ec1afefb76669d29da9fc90d5ad7c53ec3 (patch) | |
| tree | ff9242625105f0aa86d15e571c631cdff4a4ad28 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | iommu/arm-smmu-v3: Don't issue CMD_SYNC for zero-length invalidations (diff) | |
| download | wireguard-linux-bfff88ec1afefb76669d29da9fc90d5ad7c53ec3.tar.xz wireguard-linux-bfff88ec1afefb76669d29da9fc90d5ad7c53ec3.zip | |
iommu/arm-smmu-v3: Rework enabling/disabling of ATS for PCI masters
To prevent any potential issues arising from speculative Address
Translation Requests from an ATS-enabled PCIe endpoint, rework our ATS
enabling/disabling logic so that we enable ATS at the SMMU before we
enable it at the endpoint, and disable things in the opposite order.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions