Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp38296pxb; Wed, 20 Oct 2021 16:01:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxPDWcowE+/EIZb71RYHKbYJ6vUCx/+EwqWdvQG5fx89sSpT7TW0HCFaNPdPJosG1MiF3ey X-Received: by 2002:a17:90b:1b0b:: with SMTP id nu11mr2040893pjb.210.1634770860635; Wed, 20 Oct 2021 16:01:00 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1634770860; cv=pass; d=google.com; s=arc-20160816; b=Z9HnvL8dbeU0k4NgQRiIOtVBj/fIXTlt9PSyhJ/dLIS4NzMrBmE+Ko9bVmszj6xSv+ oGgJbyKicR/Ny3+UMD4q4E2uEH3wJSnFs7nYrKsNDdvQhPgRqruItbBFrjyqdFP+BdzA CaEZ+Zwr6QGSGMz8jJ2l/pCK10v6cRspkBtQQ/V2zpPonqo+PN07bqLw0LDPZOjdNdSa Ku8mK6XgguFwQ58dP3E0L37Yt0yH7v8g/K79oUxoHMhF4nY8OritM4Us0xaXBf0so0zC B4Esg9kVqO9AgEo8deAEJiBOxjkWp4LW7jCxn/5TQMrHOtpOrhJyvRq9lfWgzdUTM21q 9+6g== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:in-reply-to:references:date:subject :cc:to:from:dkim-signature:message-id; bh=j+VucUUc6QyYgXDe1gLQiAAn2bMcBp5yBVb5NIEOnDs=; b=ZGt09cktTtD0q5byGfQHajW80SrsoZtGdYdMF9WRn0i+tbzePBP3HonupYHUOXytdR 2R5Za+fsL5KNamUWJQJTXN5OcPgrKRM2ht5xd93e47vBsnZnkDXlqR6M1ktxgWutiCei OpjiaySnBjtRZBLLGPxfaS5n3kIIHV637UgievX+HNynvU+vT3HLqLQh4aqZi8+CWsAO ehpTzzPt5i2Iac6Fb9PWqpqMAO0/3KWUA2x0VDJIKfJVnZxZb7Tn/kAiRXfjxeaypljc U/FXbYUz5LgMc/oruJ7n4kd2IYqPiVqlMR113nMvgae1TGurYAceNVL1/9jXn9Rgg0eF jzsA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=ZqmOgBrE; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q23si4835017plk.192.2021.10.20.16.00.47; Wed, 20 Oct 2021 16:01:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=ZqmOgBrE; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Message-ID: <61709fac.1c69fb81.412d6.aed3SMTPIN_ADDED_BROKEN@mx.google.com> X-Google-Original-Message-ID: <20210914210951.2994260-3-seanjc@google.com> (raw) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231144AbhJTXBW (ORCPT + 99 others); Wed, 20 Oct 2021 19:01:22 -0400 Received: from mail-mw2nam12on2060.outbound.protection.outlook.com ([40.107.244.60]:21504 "EHLO NAM12-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229842AbhJTXBW (ORCPT ); Wed, 20 Oct 2021 19:01:22 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=eHAiUohTSEaEhmjzDqb5n71XoH1quwwpFZ+jRM3sGmlCrkiqZoNm4zB3T/1lij+oe3oM0urnv2yVR5NSB9FVFWVd+DgaL79J1cYHmjftwxT9kMgJRnz4vgsYbmglbEGc1y5b0TymuJ7bWChBz82GGiihGw0s+kpKs/mmLL2UbwYwKJlk9hlhvkdbmnnyjBYAfZu5tp+ARqyVjXfa8R0KnJ/j3T7Dyh5FVRio8Cg9t5VegICxikfDpmRDWY7H6JzfL0mp1T7KZ5dN6kYW1uOa06vH9cZlTfjKYL1wHSp+QMwwJzwlE6McBFabB1pZ6PW9dEQbVuhVA0tW6X0xy+fz9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=j+VucUUc6QyYgXDe1gLQiAAn2bMcBp5yBVb5NIEOnDs=; b=jDUTBaKs4I+W4OmVJo9H8VyCTzmKWLTr06QKc8w1Vn1C9SeGMgp0jyZQugD9j63lUHoDTQH2zDMOssZU3byo/bBnkUqeLjXhsijgZc64wWlBwxchbUeH9slRDL1Nmes5ZUO5iEc6LyHHGHFi0G1rms/wJT7hYm5ZVfBmX80MUFKlJVJp7DmDRZVLTkVNoQuvLakfvDYJsSoGsgvyInd4rqbyLuHX4VhdytvppbAcRU0opVLSgv5l/qRthxhVzIW5geISD64zmXaGxVrxeu/cZHGK+gyRoRqGwjRYYWtzigpp+tYejXprQ2h4/fb1S+Y0wkzngBDLTtSRZTQLyFkxTw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=google.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=j+VucUUc6QyYgXDe1gLQiAAn2bMcBp5yBVb5NIEOnDs=; b=ZqmOgBrEvW3jS+beeRdKoHrCgYmKA76B31MBgFT5m36nD+1rzCwH+I6W4WJqjYRo97KZlhH7VPi9xHbunadhLAi5WBk/uHv/IO9jYGmxnkq/KwrVx/ydEfcGFHva93OGxyI4FlVhET4CJ5sj4mn4xbFhf3/tglabkXPj3cLBKKs= Received: from MWHPR20CA0036.namprd20.prod.outlook.com (2603:10b6:300:ed::22) by DM5PR12MB1641.namprd12.prod.outlook.com (2603:10b6:4:10::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4608.18; Wed, 20 Oct 2021 22:59:04 +0000 Received: from CO1NAM11FT024.eop-nam11.prod.protection.outlook.com (2603:10b6:300:ed:cafe::33) by MWHPR20CA0036.outlook.office365.com (2603:10b6:300:ed::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4628.15 via Frontend Transport; Wed, 20 Oct 2021 22:59:04 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; google.com; dkim=none (message not signed) header.d=none;google.com; dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT024.mail.protection.outlook.com (10.13.174.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4628.16 via Frontend Transport; Wed, 20 Oct 2021 22:59:01 +0000 Received: from ashkalra_ubuntu_server.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Wed, 20 Oct 2021 17:59:00 -0500 From: Ashish Kalra To: , Paolo Bonzini CC: , , , , , , , , , , Subject: [PATCH 2/2] KVM: SEV: Flush cache on non-coherent systems before RECEIVE_UPDATE_DATA Date: Wed, 20 Oct 2021 22:58:48 +0000 X-Mailer: git-send-email 2.17.1 References: <20210914210951.2994260-3-seanjc@google.com> In-Reply-To: <20210914210951.2994260-1-seanjc@google.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 49f63be8-9b5f-487c-75a0-08d9941d350f X-MS-TrafficTypeDiagnostic: DM5PR12MB1641: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 8Q517ttm8mjJGeGqC5XbCwYvuuRTQ6M77Jru3ZTFi7qQ0iURpCS04w4lljGiDaCTK6sT+kAEzihbcR5uRcOqFFLPO9NruR85WTiOcifugBnATgmnQDx6BrL1elcGiTCKYxKCBHj9k77o0vOMu5lwqIPu/yU3REKAZ4pYQ/1p3n49kyY5blz7Q2bwSAuEJWi3LFTtLdBZu/RcOQP6Uphp5sPbEuq+cNzXbu0M43K236kxgWkqIm9v2D74VQPW+IM5pmwD/5c4K8bgTHikEuhR8ZLheqMcgBXAWtdN1XFQ+kv5O8IhYHAju5hHrOs7USpCEVIwshWiFZqb+b5GiMA+w54PXDnWtw8o8fTwBaXXe349pXWZXol7YSQW81bQ6ivIoVqcvKexkATIBjZRzdKvNScUyZtlMxxV/B+NPgPaCdazOXfJJ6MBrnhpRXmVeXudbq/HJeDwgPLUppge8Av8caerul0/XzB5HeHZHRpBcCHh83ZzD/fGRA4qDrJ1k9S2Q7XYx4uCO4N3ILKD4EUQKR8/wHp+0EsXlEQQwB/i8CyGZdES9gnjTY3wCSjm2NCq/G3TIF8EO7JWO+eS0xom0swN2YGNXy1pWVLKGTJwSBMJ9bmQhFgDf5OPhZ4wZUgviLz4lMCHcxk9zrK980j26Lejkx2ndnS2i+A8euejurGjQTh/1CHqapwag4v5+Cuwm993vINkEwDATXURVkHRMR++2xbqk9D9Xs1I1PPGwaI= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(36840700001)(46966006)(83380400001)(186003)(6666004)(7416002)(16526019)(54906003)(55446002)(8936002)(86362001)(110136005)(4326008)(508600001)(36860700001)(9686003)(426003)(1076003)(336012)(82310400003)(356005)(316002)(26005)(61793004)(70206006)(47076005)(5660300002)(81166007)(70586007)(2906002)(8676002)(4744005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2021 22:59:01.3224 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 49f63be8-9b5f-487c-75a0-08d9941d350f X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT024.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1641 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sean Christopherson Hello Paolo, I am adding a SEV migration test as part of the KVM SEV selftests. And while testing SEV migration with this selftest, i observed cache coherency issues causing migration test failures, so really need this patch to be added. Tested-by: Ashish Kalra