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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 1656FC76191 for ; Mon, 15 Jul 2019 20:31:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFABC2086C for ; Mon, 15 Jul 2019 20:31:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="NPPlCX5X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731806AbfGOUbU (ORCPT ); Mon, 15 Jul 2019 16:31:20 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:60564 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731764AbfGOUbU (ORCPT ); Mon, 15 Jul 2019 16:31:20 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6FKSqw6069100; Mon, 15 Jul 2019 20:31:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=corp-2018-07-02; bh=OJRivD+7Yp0+qtCjnq9xtV6q7N2gf5q8KAoqRMx0UXM=; b=NPPlCX5XDpvMHpei1c2z32vX8RkFv+gUe+WDzqtIlGOiW1LEqCNLq6ShIc5HUDrsaZAr Th7vgk/f6wWHNxV6PgHrV2YjgQ+HF1wu/y82NvSDRB6df4XiDIlEbmjYNMSam2jYPjfe PeEd5gifkdlfTz9i846T57fEM5G4cqcHVNfZCtkiH9rSFvqGvA3z1jSBh4KAorL1M/Ck D5Gn/YPmGbFQKk/DSj2/J+/mk2hyolXljuihlCBVUHQ969d3gfQjAXeHeptlD/BUPm/4 JdlLgpYLWs1LyiKqfp98X3QdlyHzz5LER4JQa0Jf1i6YQa6BUhd1lxjhfYJP8LwSYFZL Qw== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 2tq6qtgtr2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jul 2019 20:31:02 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6FKRmfX194874; Mon, 15 Jul 2019 20:31:02 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3020.oracle.com with ESMTP id 2tq742qmha-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jul 2019 20:31:02 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x6FKV0Gs020943; Mon, 15 Jul 2019 20:31:00 GMT Received: from spark.ravello.local (/213.57.127.2) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 15 Jul 2019 13:31:00 -0700 From: Liran Alon To: pbonzini@redhat.com, rkrcmar@redhat.com, kvm@vger.kernel.org Cc: brijesh.singh@amd.com Subject: KVM: SVM: Fix workaround for AMD Errata 1096 Date: Mon, 15 Jul 2019 23:30:41 +0300 Message-Id: <20190715203043.100483-1-liran.alon@oracle.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9319 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=550 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907150234 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9319 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=602 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907150234 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi, This simple patch series aims to fix a bug in how KVM handles AMD Errata 1096. 1st patch is the fix. The bug was that vCPU state is checked incorrectly for being able to possible raise a SMAP violation which is required to encounter AMD Errata 1096. 2nd patch is a simple rename to make code more readable. Disclaimer: I don't have the proper physical AMD machine to verify the fix. I would appreciate if someone who have access to such AMD machine will test it and reply. Thanks, -Liran