Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752332AbaFEREZ (ORCPT ); Thu, 5 Jun 2014 13:04:25 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:61784 "EHLO mail-wg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752212AbaFEREW (ORCPT ); Thu, 5 Jun 2014 13:04:22 -0400 From: Antonios Motakis To: alex.williamson@redhat.com, kvmarm@lists.cs.columbia.edu, iommu@lists.linux-foundation.org Cc: tech@virtualopensystems.com, a.rigo@virtualopensystems.com, kvm@vger.kernel.org, christoffer.dall@linaro.org, will.deacon@arm.com, kim.phillips@freescale.com, stuart.yoder@freescale.com, eric.auger@linaro.org, Antonios Motakis , Joerg Roedel , linux-arm-kernel@lists.infradead.org (moderated list:ARM SMMU DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [RFC PATCH v6 04/20] iommu/arm-smmu: add capability IOMMU_CAP_INTR_REMAP Date: Thu, 5 Jun 2014 19:03:12 +0200 Message-Id: <1401987808-23596-5-git-send-email-a.motakis@virtualopensystems.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1401987808-23596-1-git-send-email-a.motakis@virtualopensystems.com> References: <1401987808-23596-1-git-send-email-a.motakis@virtualopensystems.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With an ARM SMMU, interrupt remapping should always be safe from the SMMU's point of view, as it is properly handled by the GIC. Signed-off-by: Antonios Motakis --- drivers/iommu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 15ab2af..ff29402 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1544,7 +1544,7 @@ 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; + caps |= IOMMU_CAP_NOEXEC | IOMMU_CAP_INTR_REMAP; return !!(cap & caps); } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/