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

Signed-off-by: Antonios Motakis <a.mota...@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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