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(parent: 1978fac) | patch
iommupt/x86: Support SW bits and permit PT_FEAT_DMA_INCOHERENT
authorJason Gunthorpe <jgg@nvidia.com>
Thu, 23 Oct 2025 18:22:35 +0000 (15:22 -0300)
committerJoerg Roedel <joerg.roedel@amd.com>
Wed, 5 Nov 2025 08:50:19 +0000 (09:50 +0100)
commitef7bfe5bbffdcfa033beeeb068c6317f71730679
tree574c5e4ae0bc6221724c4db40d571055c7c1e830tree | snapshot
parent1978fac28168bc3e6a66afb9c41ec0f1e8dafa0fcommit | diff
iommupt/x86: Support SW bits and permit PT_FEAT_DMA_INCOHERENT

VT-d requires PT_FEAT_DMA_INCOHERENT for the x86 page table as well,
implement the required SW bits and enable the feature.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
drivers/iommu/generic_pt/fmt/iommu_x86_64.c diff | blob | blame | history
drivers/iommu/generic_pt/fmt/x86_64.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git