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Date: Mon, 16 Jun 2014 16:04:51 +0100 From: Will Deacon <will.deacon@....com> To: Antonios Motakis <a.motakis@...tualopensystems.com> Cc: "alex.williamson@...hat.com" <alex.williamson@...hat.com>, "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>, "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>, "tech@...tualopensystems.com" <tech@...tualopensystems.com>, "a.rigo@...tualopensystems.com" <a.rigo@...tualopensystems.com>, "kvm@...r.kernel.org" <kvm@...r.kernel.org>, "christoffer.dall@...aro.org" <christoffer.dall@...aro.org>, "kim.phillips@...escale.com" <kim.phillips@...escale.com>, "stuart.yoder@...escale.com" <stuart.yoder@...escale.com>, "eric.auger@...aro.org" <eric.auger@...aro.org>, Joerg Roedel <joro@...tes.org>, "moderated list:ARM SMMU DRIVER" <linux-arm-kernel@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org> Subject: Re: [RFC PATCH v6 03/20] iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver On Thu, Jun 05, 2014 at 06:03:11PM +0100, Antonios Motakis wrote: > The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the > corresponding IOMMU capability. > > Signed-off-by: Antonios Motakis <a.motakis@...tualopensystems.com> > --- > 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; > + Just initialise caps to IOMMU_CAP_NOEXEC. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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