From: Antonios Motakis <a.motakis@virtualopensystems.com>
Date: Mon, 13 Oct 2014 13:06:18 +0000 (+0100)
Subject: iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0029a8dd6c807e04b119ec9416510d30936f45e6;p=deliverable%2Flinux.git

iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

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

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 566c1769d9bd..c8fc02f111c5 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;
 	}