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,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0326EC5DF65 for ; Wed, 6 Nov 2019 15:30:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD88121848 for ; Wed, 6 Nov 2019 15:30:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="mDDG05Dm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732017AbfKFPaC (ORCPT ); Wed, 6 Nov 2019 10:30:02 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:47094 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728247AbfKFPaB (ORCPT ); Wed, 6 Nov 2019 10:30:01 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA6FJ1QX030993; Wed, 6 Nov 2019 15:29:31 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-2019-08-05; bh=Zb1yrefGglmrVT3RvzlHlIcenzI+rDNlCHQZIYpKA84=; b=mDDG05DmE+F5r4p8i0cps6frf1I5+4HgD/64M/zd5XBFvXzjxYDb/aVJoxhCtpRSuHg0 1jAgegZ4Rw+BhIJ3rRK7W9A8Re8VRDKyrz/QrUiCYhFXBDn6VIwighr0We4RBB4nEPMF hyh6nCY90EDs6P6tve27UGBUB7TOgtI8gRJPLhMPutipMbnLOTZCG4bS16rcK+oCXQKH UmJIssU+HWNE1stWWq9AIDEqiHA5nCiAJv2pSNWisXM94Fk4ZA51/rqp6K+zeZdt/KXe yhPT9sAYpbk7l5Wb3aHLXDPs6GX80W6iaZaiXRFPqbtZcc6FZFExNdG/kOKSuwicUk/z /A== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2120.oracle.com with ESMTP id 2w12erf8x7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 06 Nov 2019 15:29:31 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA6FONpt019693; Wed, 6 Nov 2019 15:29:30 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3030.oracle.com with ESMTP id 2w3xc2u4rp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 06 Nov 2019 15:29:30 +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 xA6FTTOC013679; Wed, 6 Nov 2019 15:29:29 GMT Received: from [10.39.238.145] (/10.39.238.145) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 06 Nov 2019 07:29:29 -0800 Subject: Re: [patch V2 02/17] x86/entry/64: Remove pointless jump in paranoid_exit To: Thomas Gleixner , LKML Cc: x86@kernel.org, Peter Zijlstra , Andy Lutomirski , Will Deacon , Paolo Bonzini , kvm@vger.kernel.org, linux-arch@vger.kernel.org, Mike Rapoport , Josh Poimboeuf , Miroslav Benes References: <20191023122705.198339581@linutronix.de> <20191023123117.779277679@linutronix.de> From: Alexandre Chartre Organization: Oracle Corporation Message-ID: <10e378e2-d9dc-e8dd-fe62-7427b061decf@oracle.com> Date: Wed, 6 Nov 2019 16:29:25 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20191023123117.779277679@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=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911060150 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911060150 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 10/23/19 2:27 PM, Thomas Gleixner wrote: > Jump directly to restore_regs_and_return_to_kernel instead of making > a pointless extra jump through .Lparanoid_exit_restore > > Signed-off-by: Thomas Gleixner > --- > arch/x86/entry/entry_64.S | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > Reviewed-by: Alexandre Chartre alex.