From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756731AbaIWPJy (ORCPT ); Tue, 23 Sep 2014 11:09:54 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:55603 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753947AbaIWOqu (ORCPT ); Tue, 23 Sep 2014 10:46:50 -0400 From: Antonios Motakis To: alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, iommu@lists.linux-foundation.org Cc: tech@virtualopensystems.com, kvm@vger.kernel.org, christoffer.dall@linaro.org, will.deacon@arm.com, kim.phillips@freescale.com, eric.auger@linaro.org, marc.zyngier@arm.com, Antonios Motakis , Joerg Roedel , linux-arm-kernel@lists.infradead.org (moderated list:ARM SMMU DRIVER), linux-kernel@vger.kernel.org (open list) 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> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> References: <1411483586-29304-1-git-send-email-a.motakis@virtualopensystems.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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