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| author | Robin Murphy <robin.murphy@arm.com> | 2017-06-22 18:53:57 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-06-23 19:58:01 +0300 |
| commit | 58188afeb727e0f73706f1460707bd3ba6ccc221 (patch) | |
| tree | 9fca03971c4a362fdd9476509f6e36b9c8069ca7 /drivers/iommu/Kconfig | |
| parent | 523d7423e21bfe78452a640878d1de189ac45d91 (diff) | |
| download | linux-58188afeb727e0f73706f1460707bd3ba6ccc221.tar.xz | |
iommu/arm-smmu-v3: Remove io-pgtable spinlock
As for SMMUv2, take advantage of io-pgtable's newfound tolerance for
concurrency. Unfortunately in this case the command queue lock remains a
point of serialisation for the unmap path, but there may be a little
more we can do to ameliorate that in future.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/Kconfig')
0 files changed, 0 insertions, 0 deletions