From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939354AbdAINuj (ORCPT ); Mon, 9 Jan 2017 08:50:39 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52626 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031491AbdAINqs (ORCPT ); Mon, 9 Jan 2017 08:46:48 -0500 From: Eric Auger To: eric.auger@redhat.com, eric.auger.pro@gmail.com, christoffer.dall@linaro.org, marc.zyngier@arm.com, robin.murphy@arm.com, alex.williamson@redhat.com, will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de, jason@lakedaemon.net, linux-arm-kernel@lists.infradead.org Cc: kvm@vger.kernel.org, drjones@redhat.com, linux-kernel@vger.kernel.org, pranav.sawargaonkar@gmail.com, iommu@lists.linux-foundation.org, punit.agrawal@arm.com, diana.craciun@nxp.com, gpkulkarni@gmail.com, shankerd@codeaurora.org, bharat.bhushan@nxp.com, geethasowjanya.akula@gmail.com Subject: [PATCH v7 06/19] iommu: Only map direct mapped regions Date: Mon, 9 Jan 2017 13:45:57 +0000 Message-Id: <1483969570-3154-7-git-send-email-eric.auger@redhat.com> In-Reply-To: <1483969570-3154-1-git-send-email-eric.auger@redhat.com> References: <1483969570-3154-1-git-send-email-eric.auger@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 09 Jan 2017 13:46:48 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As we introduced new reserved region types which do not require mapping, let's make sure we only map direct mapped regions. Signed-off-by: Eric Auger --- v3 -> v4: - use region's type and reword commit message and title --- drivers/iommu/iommu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 927878d..41c1906 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -343,6 +343,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, start = ALIGN(entry->start, pg_size); end = ALIGN(entry->start + entry->length, pg_size); + if (entry->type != IOMMU_RESV_DIRECT) + continue; + for (addr = start; addr < end; addr += pg_size) { phys_addr_t phys_addr; -- 1.9.1