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(parent: b410aed) | patch
iommu/arm-smmu: provide option to dsb macro when publishing tables
authorWill Deacon <will.deacon@arm.com>
Wed, 5 Feb 2014 23:35:47 +0000 (23:35 +0000)
committerWill Deacon <will.deacon@arm.com>
Mon, 24 Feb 2014 19:09:46 +0000 (19:09 +0000)
commit3aa80ea4c90d46ffbe200d05b9ceb997001b36df
treeae640b0a46b3f0590138659df5afe0e5a0d77339tree | snapshot
parentb410aed93288d0bd7650c4d17fd0f306b5082d6fcommit | diff
iommu/arm-smmu: provide option to dsb macro when publishing tables

On coherent systems, publishing new page tables to the SMMU walker is
achieved with a dsb instruction. In fact, this can be a dsb(ishst) which
also provides the mandatory barrier option for arm64.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
drivers/iommu/arm-smmu.c diff | blob | history
Beck SC1x5 Kernel