From mboxrd@z Thu Jan 1 00:00:00 1970 From: Antonios Motakis Subject: [PATCHv7 03/26] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver Date: Tue, 23 Sep 2014 16:46:02 +0200 Message-ID: <1411483586-29304-4-git-send-email-a.motakis@virtualopensystems.com> References: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1411483586-29304-1-git-send-email-a.motakis-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, kvmarm-FPEHb7Xf0XXUo1n7N8X6UoWGPAHP3yOg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, marc.zyngier-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, open list , "moderated list:ARM SMMU DRIVER" , Antonios Motakis , tech-lrHrjnjw1UfHK3s98zE1ajGjJy/sRE9J@public.gmane.org, christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org List-Id: iommu@lists.linux-foundation.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