[RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

Antonios Motakis
2014-06-05T17:10:57Z

The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the
corresponding IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
---
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