From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758370AbdJMOk0 (ORCPT ); Fri, 13 Oct 2017 10:40:26 -0400 Received: from 8bytes.org ([81.169.241.247]:58100 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753415AbdJMOkS (ORCPT ); Fri, 13 Oct 2017 10:40:18 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org, Alex Williamson Cc: Suravee Suthikulpanit , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Joerg Roedel , stable@vger.kernel.org, #@8bytes.org, =@8bytes.org, 2.6.33@8bytes.org Subject: [PATCH 1/4] iommu/amd: Finish TLB flush in amd_iommu_unmap() Date: Fri, 13 Oct 2017 16:40:10 +0200 Message-Id: <1507905613-30695-2-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507905613-30695-1-git-send-email-joro@8bytes.org> References: <1507905613-30695-1-git-send-email-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel The function only sends the flush command to the IOMMU(s), but does not wait for its completion when it returns. Fix that. Fixes: 601367d76bd1 ('x86/amd-iommu: Remove iommu_flush_domain function') Cc: stable@vger.kernel.org # >= 2.6.33 Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index cb7c531..3a702c4 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3046,6 +3046,7 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova, mutex_unlock(&domain->api_lock); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); return unmap_size; } -- 2.7.4