[PATCHv7 03/26] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

Antonios Motakis a.motakis at virtualopensystems.com
Tue Sep 23 07:46:02 PDT 2014


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

Signed-off-by: Antonios Motakis <a.motakis at 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 c7cbdda..7c0fa25 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1539,6 +1539,8 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain,
 		return features & ARM_SMMU_FEAT_COHERENT_WALK;
 	case IOMMU_CAP_INTR_REMAP:
 		return 1; /* MSIs are just memory writes */
+	case IOMMU_CAP_NOEXEC:
+		return 1;
 	default:
 		return 0;
 	}
-- 
1.8.3.2




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