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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 58A72C433E5 for ; Thu, 14 May 2020 18:54:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A553206DC for ; Thu, 14 May 2020 18:54:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482449; bh=7D/zctjk5AKqwiEPDsf1Ku+Xppketp/iz8b48qj3Saw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xzL/GBiBso6oJj3sQeB8rt51ul6qvnESK/bBvkX6SisHjOpWTqPNfRhmU9ZLgNopX fpI0yBBhmdWeScO5K94zpJzutRzPnmRBXFImVgZIRsVhjTK0Q7/JRfLLcqB4BjoWHa zs9jfwBjWNyWU8r5vAp7S1s6rXR3RcV3klQ2uKvE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728953AbgENSyI (ORCPT ); Thu, 14 May 2020 14:54:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:53586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728881AbgENSx4 (ORCPT ); Thu, 14 May 2020 14:53:56 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3FC892076A; Thu, 14 May 2020 18:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482436; bh=7D/zctjk5AKqwiEPDsf1Ku+Xppketp/iz8b48qj3Saw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EWeLlxGQ1M9kNhjP6IhQBdmd2aBGSnSpEziEtdUvR+EnqRYrbzfBrqOydTTe60ij3 4J3qMMVAEWe0wGXMVsLav7rU/Gg21vJ3iRn3VuO+tyrF1nGccmKShr0uH3suiST3li 2RR01S+fKhe0UvwMsAW8fTWveaEw07guWRgvrV3E= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Joerg Roedel , Qian Cai , Sasha Levin , iommu@lists.linux-foundation.org Subject: [PATCH AUTOSEL 5.4 36/49] iommu/amd: Call domain_flush_complete() in update_domain() Date: Thu, 14 May 2020 14:52:57 -0400 Message-Id: <20200514185311.20294-36-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514185311.20294-1-sashal@kernel.org> References: <20200514185311.20294-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel [ Upstream commit f44a4d7e4f1cdef73c90b1dc749c4d8a7372a8eb ] 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. Signed-off-by: Joerg Roedel Tested-by: Qian Cai Link: https://lore.kernel.org/r/20200504125413.16798-4-joro@8bytes.org Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- 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 bc77714983421..32de8e7bb8b45 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2386,6 +2386,7 @@ static void update_domain(struct protection_domain *domain) domain_flush_devices(domain); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); } static int dir2prot(enum dma_data_direction direction) -- 2.20.1