[RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver
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STALE4506d
From: Antonios Motakis <hidden>
Date: 2014-06-05 17:10:57
Also in:
kvm, linux-iommu, lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
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; + return !!(cap & caps); }
--
1.8.3.2