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Author SHA1 Message Date
Jean-Philippe Brucker cfc78dfd9b iommu/sva: Add PASID helpers 
Let IOMMU drivers allocate a single PASID per mm. Store the mm in the
IOASID set to allow refcounting and searching mm by PASID, when handling
an I/O page fault.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20201106155048.997886-3-jean-philippe@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>
 2020-11-23 14:16:55 +00:00