projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: f15d9a9) | patch
iommu/amd: Remove amd_iommu_devtable_lock
authorJoerg Roedel <jroedel@suse.de>
Wed, 25 Sep 2019 13:22:56 +0000 (15:22 +0200)
committerJoerg Roedel <jroedel@suse.de>
Sat, 28 Sep 2019 12:43:46 +0000 (14:43 +0200)
commit3a11905b69eb026402448c750f97a0eadfa76b08
tree64d30ce5111b1080f063adeef861bad127eb6ad3tree | snapshot
parentf15d9a992f901d4f22db868adf800844d1cac9f2commit | diff
iommu/amd: Remove amd_iommu_devtable_lock

The lock is not necessary because the device table does not
contain shared state that needs protection. Locking is only
needed on an individual entry basis, and that needs to
happen on the iommu_dev_data level.

Fixes: 92d420ec028d ("iommu/amd: Relax locking in dma_ops path")
Reviewed-by: Filippo Sironi <sironi@amazon.de>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/amd_iommu.c diff | blob | history
Domain: System / Kernel;