From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DA4BC3A5A9 for ; Mon, 4 May 2020 12:55:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3148A206D9 for ; Mon, 4 May 2020 12:55:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729155AbgEDMze (ORCPT ); Mon, 4 May 2020 08:55:34 -0400 Received: from 8bytes.org ([81.169.241.247]:41112 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728434AbgEDMyQ (ORCPT ); Mon, 4 May 2020 08:54:16 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 05DA5477; Mon, 4 May 2020 14:54:15 +0200 (CEST) From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: Qian Cai , Suravee Suthikulpanit , linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 3/5] iommu/amd: Call domain_flush_complete() in update_domain() Date: Mon, 4 May 2020 14:54:11 +0200 Message-Id: <20200504125413.16798-4-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200504125413.16798-1-joro@8bytes.org> References: <20200504125413.16798-1-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel The update_domain() function is expected to also inform the hardware about domain changes. This needs a COMPLETION_WAIT command to be sent to all IOMMUs which use the domain. Tested-by: Qian Cai 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 68da484a69dd..d2499c86d395 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2321,6 +2321,7 @@ static void update_domain(struct protection_domain *domain) domain_flush_devices(domain); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); } int __init amd_iommu_init_api(void) -- 2.17.1