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=-8.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLACK,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 2A6F3C433DF for ; Tue, 26 May 2020 19:20:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0D6620663 for ; Tue, 26 May 2020 19:20:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590520817; bh=8cvxJMJFDcmUm/5T5Iw939tVnqpy6rotxOWw3C4jB4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=TwZ26c84JrhS27HfKV+LVKQApDdlA7LJXIzpNv2kKxmvIrnOJVa6Kw68nZv7S7JPt CwO7HOZGm03kys6ZWYrEUJ/PnqMvBsTeKeaEJ1DxIZqnNCtz/heqWEe+hxfBH8Sd/a Vg+ucWn8moSyQZokE7Wn23fhlMis3YhXJOEJMftM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390625AbgEZTUQ (ORCPT ); Tue, 26 May 2020 15:20:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:42296 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392115AbgEZTMl (ORCPT ); Tue, 26 May 2020 15:12:41 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1DE1B20888; Tue, 26 May 2020 19:12:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590520361; bh=8cvxJMJFDcmUm/5T5Iw939tVnqpy6rotxOWw3C4jB4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kC1drTAIp4oQFo/3Ky9m02ulvf89CQpo88GrTVViPlBYeWs7bgGzGqulMCx0I5IFb TlgDh/64BBJxfGWMo8D2MeZMSwxm/nFl+dq0utQ1lTPM8V313OzMqOcmYwAMoTipq4 Zf/mI4C9qTsDELg1uwz3oj4sXYZZ4auYrrGANiiQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Joerg Roedel , Qian Cai , Sasha Levin Subject: [PATCH 5.6 049/126] iommu/amd: Call domain_flush_complete() in update_domain() Date: Tue, 26 May 2020 20:53:06 +0200 Message-Id: <20200526183942.154803551@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183937.471379031@linuxfoundation.org> References: <20200526183937.471379031@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 18c995a16d80..2aa46a6de172 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2345,6 +2345,7 @@ static void update_domain(struct protection_domain *domain) /* Flush domain TLB(s) and wait for completion */ domain_flush_tlb_pde(domain); + domain_flush_complete(domain); } int __init amd_iommu_init_api(void) -- 2.25.1