From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934519AbdKAVhh (ORCPT ); Wed, 1 Nov 2017 17:37:37 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:35483 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934427AbdKAV3U (ORCPT ); Wed, 1 Nov 2017 17:29:20 -0400 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Joerg Roedel , Willy Tarreau Subject: [PATCH 3.10 053/139] iommu/amd: Finish TLB flush in amd_iommu_unmap() Date: Wed, 1 Nov 2017 22:25:54 +0100 Message-Id: <1509571600-4858-4-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1509571600-4858-1-git-send-email-w@1wt.eu> References: <1509571159-4405-1-git-send-email-w@1wt.eu> <1509571600-4858-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel commit ce76353f169a6471542d999baf3d29b121dce9c0 upstream. 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 Signed-off-by: Joerg Roedel Signed-off-by: Willy Tarreau --- 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 0e7cd14..88ba964 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3402,6 +3402,7 @@ 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; } -- 2.8.0.rc2.1.gbe9624a