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=DKIM_INVALID,DKIM_SIGNED, 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 1635FC33CB3 for ; Thu, 16 Jan 2020 17:29:48 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DCE592470D for ; Thu, 16 Jan 2020 17:29:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="hjksb+TU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCE592470D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id A5E3D87F0C; Thu, 16 Jan 2020 17:29:47 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uxHJIkw7Govy; Thu, 16 Jan 2020 17:29:43 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 7D07987F1F; Thu, 16 Jan 2020 17:29:43 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6846DC1D82; Thu, 16 Jan 2020 17:29:43 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 568B1C077D for ; Thu, 16 Jan 2020 17:29:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 45391845E0 for ; Thu, 16 Jan 2020 17:29:42 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XEib6En1NBxa for ; Thu, 16 Jan 2020 17:29:37 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 45BAE845D2 for ; Thu, 16 Jan 2020 17:29:37 +0000 (UTC) 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 684FC24710; Thu, 16 Jan 2020 17:29:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579195777; bh=2R4B2/vf3mjrXyH9tuvIXZbFvpPaJG90eTaq68jtLPU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hjksb+TUUuU8hl4i1P4K2hn4oSz/PK4vrnojL0P34mZtpJ17Kdk19n1+Q/H3V3gGn N+KNv1eHMokJVFxCukVepG5yORNX0ivdXGExvI1NC3Q1OHcqYoRgbhZhTMF/nI9Acu UEDduoAU7ucMYAWnTGknhX9zr/8uYF/DJWRa3lB0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 302/371] iommu/amd: Wait for completion of IOTLB flush in attach_device Date: Thu, 16 Jan 2020 12:22:54 -0500 Message-Id: <20200116172403.18149-245-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116172403.18149-1-sashal@kernel.org> References: <20200116172403.18149-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Cc: Sasha Levin , Filippo Sironi , iommu@lists.linux-foundation.org, Joerg Roedel X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" From: Filippo Sironi [ Upstream commit 0b15e02f0cc4fb34a9160de7ba6db3a4013dc1b7 ] To make sure the domain tlb flush completes before the function returns, explicitly wait for its completion. Signed-off-by: Filippo Sironi Fixes: 42a49f965a8d ("amd-iommu: flush domain tlb when attaching a new device") [joro: Added commit message and fixes tag] Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- drivers/iommu/amd_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index d09c24825734..778f167be2d3 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2160,6 +2160,8 @@ static int attach_device(struct device *dev, */ domain_flush_tlb_pde(domain); + domain_flush_complete(domain); + return ret; } -- 2.20.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu