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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_1 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 D1CF6C38A2A for ; Thu, 7 May 2020 14:49:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0A1520643 for ; Thu, 7 May 2020 14:49:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="jMl9lDyl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726678AbgEGOt0 (ORCPT ); Thu, 7 May 2020 10:49:26 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:53246 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726134AbgEGOtZ (ORCPT ); Thu, 7 May 2020 10:49:25 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 047ElqGc063504; Thu, 7 May 2020 14:48:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=G4o/7pUilrGA7IJ5EnhZsfRq8nVUlelBWIssB3B1+2k=; b=jMl9lDylIXxHMgIVKhF9KQ8AJN3J/bIAgPtH+pqTkHQfFoYhSPuRxXQiailLZYuVfOnT 7WF/unfDo4rHICl6R9ggcMXJM4muNlmQffS6gVmQDWCnv4cKxBw398i3Jv+79Q45dPev UaPSDOuEQb8jQ43G1GV0nFxGSLz3BGCT1pyrDIffhyZa6isBxantS/PYOkm9ReJ3YmYb 48QE7WAN9FI2JrhK1pu6nDcND1BzwM+rPO5Qk5xR+2ishNa7IQDJMDS807Oygf74uUWn zciEQwaZ1HEwPP8HnWd8ozj74IsxSNbcARpb6iG90lJ24bEcKjg+DheGk+RgG7TA8FHw 9A== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2120.oracle.com with ESMTP id 30veckhxwv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 May 2020 14:48:29 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 047EksQc148252; Thu, 7 May 2020 14:48:29 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3030.oracle.com with ESMTP id 30sjdy80ws-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 May 2020 14:48:29 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 047EmQlT010501; Thu, 7 May 2020 14:48:26 GMT Received: from linux-1.home (/92.157.36.49) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 07 May 2020 07:48:26 -0700 Subject: Re: [patch V4 part 2 18/18] x86/kvm/svm: Move guest enter/exit into .noinstr.text To: Thomas Gleixner , LKML Cc: x86@kernel.org, "Paul E. McKenney" , Andy Lutomirski , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon References: <20200505134112.272268764@linutronix.de> <20200505134341.873785437@linutronix.de> From: Alexandre Chartre Message-ID: <76c25d4d-77d3-81fa-78d3-d01bb8bb44a9@oracle.com> Date: Thu, 7 May 2020 16:47:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200505134341.873785437@linutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9613 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005070120 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9613 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxscore=0 bulkscore=0 spamscore=0 malwarescore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 mlxlogscore=999 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2005070120 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/5/20 3:41 PM, Thomas Gleixner wrote: > Move the functions which are inside the RCU off region into the > non-instrumentable text section. > > Signed-off-by: Thomas Gleixner > Cc: Paolo Bonzini > Cc: Sean Christopherson > --- > arch/x86/kvm/svm/svm.c | 102 ++++++++++++++++++++++++--------------------- > arch/x86/kvm/svm/vmenter.S | 2 > 2 files changed, 57 insertions(+), 47 deletions(-) > I have reviewed this series and only sent minor comments. So for all patches of part 2: Reviewed-by: Alexandre Chartre alex.