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authorJean-Philippe Brucker <jean-philippe@linaro.org>2020-05-19 19:54:46 +0200
committerWill Deacon <will@kernel.org>2020-05-21 15:54:06 +0200
commit0299a1a81ca056e79c1a7fb751f936ec0d5c7afe (patch)
treea6e1bfa0161004080c6cbe5abe33e39871215713 /drivers/iommu/msm_iommu.c
parentiommu/arm-smmu-v3: Don't reserve implementation defined register space (diff)
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iommu/arm-smmu-v3: Manage ASIDs with xarray
In preparation for sharing some ASIDs with the CPU, use a global xarray to store ASIDs and their context. ASID#0 is now reserved, and the ASID space is global. Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Link: https://lore.kernel.org/r/20200519175502.2504091-9-jean-philippe@linaro.org Signed-off-by: Will Deacon <will@kernel.org>
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