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Are all accesses to the memory from the GPU still checked for permissions at the hardware level by an IOMMU?
by madez 7y ago
Are all accesses to the memory from the GPU still checked for permissions at the hardware level by an IOMMU?
- rrss 7y agoYeah, checked for permissions in hardware, but not by an IOMMU. Requests from the GPU are forwarded to the "standard" SMMU. See http://www.ieee-hpec.org/2018/2018program/index_htm_files/135.pdf http://www.ieee-hpec.org/2018/2018program/index_htm_files/13...