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Signed-off-by: Manoj Vishwanathan --- drivers/vfio/vfio_iommu_type1.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type= 1.c index 0960699e7554..c84bb6c8b12f 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -1562,7 +1562,8 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, prot |=3D IOMMU_WRITE; if (map->flags & VFIO_DMA_MAP_FLAG_READ) prot |=3D IOMMU_READ; - + if (map->flags & VFIO_DMA_MAP_FLAG_SYS_CACHE) + prot |=3D IOMMU_SYS_CACHE; if ((prot && set_vaddr) || (!prot && !set_vaddr)) return -EINVAL; =20 @@ -2815,7 +2816,7 @@ static int vfio_iommu_type1_map_dma(struct vfio_iommu= *iommu, struct vfio_iommu_type1_dma_map map; unsigned long minsz; uint32_t mask =3D VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE | - VFIO_DMA_MAP_FLAG_VADDR; + VFIO_DMA_MAP_FLAG_SYS_CACHE | VFIO_DMA_MAP_FLAG_VADDR; =20 minsz =3D offsetofend(struct vfio_iommu_type1_dma_map, size); =20 --=20 2.46.0.295.g3b9ea8a38a-goog