[PATCH v4 5/5] vfio: type1: implement the VFIO_DMA_MAP_FLAG_NOEXEC flag

From: Antonios Motakis Some IOMMU drivers, such as the ARM SMMU driver, make available the IOMMU_NOEXEC flag to set the page tables for a device as XN (execute never). This affects devices such as the ARM PL330 DMA Controller, which respects this flag and will refuse to fetch DMA instructions

[PATCH v4 5/5] vfio: type1: implement the VFIO_DMA_MAP_FLAG_NOEXEC flag

From: Antonios Motakis a.mota...@virtualopensystems.com Some IOMMU drivers, such as the ARM SMMU driver, make available the IOMMU_NOEXEC flag to set the page tables for a device as XN (execute never). This affects devices such as the ARM PL330 DMA Controller, which respects this flag and will