[PATCH 3/3] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

Antonios Motakis a.motakis at virtualopensystems.com
Mon Oct 13 06:06:18 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 566c176..c8fc02f 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1569,6 +1569,8 @@ static bool arm_smmu_capable(enum iommu_cap cap)
 		return true;
 	case IOMMU_CAP_INTR_REMAP:
 		return true; /* MSIs are just memory writes */
+	case IOMMU_CAP_NOEXEC:
+		return true;
 	default:
 		return false;
 	}
-- 
2.1.1




More information about the linux-arm-kernel mailing list