Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v5.15.202 2020-11-23T14:16:55+00:00 2020-11-23T14:16:55+00:00 Jean-Philippe Brucker jean-philippe@linaro.org 2020-11-06T15:50:48+00:00 urn:sha1:cfc78dfd9b36dcda7c3ca9cdfca343f84c72252f 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>