From mboxrd@z Thu Jan 1 00:00:00 1970 From: a.motakis@virtualopensystems.com (Antonios Motakis) Date: Tue, 23 Sep 2014 16:46:02 +0200 Subject: [PATCHv7 03/26] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver In-Reply-To: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> References: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> Message-ID: <1411483586-29304-4-git-send-email-a.motakis@virtualopensystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the corresponding IOMMU capability. Signed-off-by: Antonios Motakis --- 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