Re: [PATCH v5 07/19] iommu/arm-smmu: Set PRIVCFG in stage 1 STEs
From: Will Deacon <hidden>
Date: 2016-09-01 17:19:17
Also in:
linux-iommu
On Tue, Aug 23, 2016 at 08:05:18PM +0100, Robin Murphy wrote:
Implement the SMMUv3 equivalent of d346180e70b9 ("iommu/arm-smmu: Treat
all device transactions as unprivileged"), so that once again those
pesky DMA controllers with their privileged instruction fetches don't
unexpectedly fault in stage 1 domains due to VMSAv8 rules.
Signed-off-by: Robin Murphy <redacted>
---
drivers/iommu/arm-smmu-v3.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)Acked-by: Will Deacon <redacted> Will