[RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver
From: Will Deacon <hidden>
Date: 2014-06-16 15:04:57
Also in:
kvm, linux-iommu, lkml
On Thu, Jun 05, 2014 at 06:03:11PM +0100, Antonios Motakis wrote:
quoted hunk ↗ jump to hunk
The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the corresponding IOMMU capability. Signed-off-by: Antonios Motakis <redacted> --- drivers/iommu/arm-smmu.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index d5a2200..15ab2af 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c@@ -1544,6 +1544,8 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain, if (smmu_domain->root_cfg.smmu->features & ARM_SMMU_FEAT_COHERENT_WALK) caps |= IOMMU_CAP_CACHE_COHERENCY; + caps |= IOMMU_CAP_NOEXEC; +
Just initialise caps to IOMMU_CAP_NOEXEC. Will