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author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2020-11-06 16:50:48 +0100 |
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committer | Will Deacon <will@kernel.org> | 2020-11-23 14:16:55 +0000 |
commit | cfc78dfd9b36dcda7c3ca9cdfca343f84c72252f (patch) | |
tree | 8b1b43574b85d1d31d3aff0c7e7ac67f959118f2 /drivers/spmi | |
parent | cb4789b0d19ff231ce9f73376a023341300aed96 (diff) | |
download | linux-cfc78dfd9b36dcda7c3ca9cdfca343f84c72252f.tar.gz linux-cfc78dfd9b36dcda7c3ca9cdfca343f84c72252f.tar.bz2 linux-cfc78dfd9b36dcda7c3ca9cdfca343f84c72252f.zip |
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>
Diffstat (limited to 'drivers/spmi')
0 files changed, 0 insertions, 0 deletions