On Fri, Dec 02, 2016 at 08:25:08PM +0530, Sricharan R wrote: > From: Mitchel Humpherys <mitch...@codeaurora.org> > > The PL330 performs privileged instruction fetches. This can result in > SMMU permission faults on SMMUs that implement the ARMv8 VMSA, which > specifies that mappings that are writeable at one execution level shall > not be executable at any higher-privileged level. Fix this by using the > DMA_ATTR_PRIVILEGED attribute, which will ensure that the microcode > IOMMU mapping is only accessible to the privileged level.
Acked-by: Vinod Koul <vinod.k...@intel.com> -- ~Vinod _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
