From mboxrd@z Thu Jan 1 00:00:00 1970 From: a.motakis@virtualopensystems.com (Antonios Motakis) Date: Thu, 5 Jun 2014 19:03:11 +0200 Subject: [RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver In-Reply-To: <1401987808-23596-1-git-send-email-a.motakis@virtualopensystems.com> References: <1401987808-23596-1-git-send-email-a.motakis@virtualopensystems.com> Message-ID: <1401987808-23596-4-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 d5a2200..15ab2af 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1544,6 +1544,8 @@ static int arm_smmu_domain_has_cap(struct iommu_domain *domain, if (smmu_domain->root_cfg.smmu->features & ARM_SMMU_FEAT_COHERENT_WALK) caps |= IOMMU_CAP_CACHE_COHERENCY; + caps |= IOMMU_CAP_NOEXEC; + return !!(cap & caps); } -- 1.8.3.2