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=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 95141C76191 for ; Thu, 18 Jul 2019 08:14:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66BB72173B for ; Thu, 18 Jul 2019 08:14:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="JHF5kY9Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389475AbfGRIOo (ORCPT ); Thu, 18 Jul 2019 04:14:44 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:58488 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726386AbfGRIOn (ORCPT ); Thu, 18 Jul 2019 04:14:43 -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 x6I8E53H117444; Thu, 18 Jul 2019 08:14:05 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-2018-07-02; bh=MnWKO1aPepCSn5Io1XMEqlaALN7Sd2EdfHGfadQRpQ4=; b=JHF5kY9QipPRj5DmCnbVs9QEtCrzknotJLpXqBTUZTaFmEdGTSTpUGTCZc58/5J8/CeY vPYcSWEzZPyAV3kl+3eBhazuJbPiTJAuq15oMLk3uwLG4ShNc7zTR6kt0ptV8srOqhoC 82qymY2E/0aM15M3GkdIDF2KhHvBgNW6ALcHkgnStqrSgFJd4MOgzewgmIQGrOpjmauY g9WaMa+AfVyrlmxRqAVCVC4hulJpfpL5/f1DZjeeLVCN72AYSyOoPWdvTQpZCLW/jS2r 288C7wBo45PWhcjqU6CyPtlyC2CXgg0ahZzI1KHP+WvnIX6QW07Y7tttLKR7mcAQnPo/ Jg== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2tq6qtyet2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 18 Jul 2019 08:14:04 +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 x6I8CgO1054919; Thu, 18 Jul 2019 08:14:04 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 2tt77hkg61-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 18 Jul 2019 08:14:04 +0000 Received: from abhmp0001.oracle.com (abhmp0001.oracle.com [141.146.116.7]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x6I8DuVE018307; Thu, 18 Jul 2019 08:13:58 GMT Received: from [10.191.31.100] (/10.191.31.100) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 18 Jul 2019 08:13:56 +0000 Subject: Re: [PATCH] x86/boot/compressed/64: Remove unused variable To: "Kirill A. Shutemov" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov References: <1563283040-31101-1-git-send-email-zhenzhong.duan@oracle.com> <20190717143451.xbz6dkjnmxd7rcon@black.fi.intel.com> From: Zhenzhong Duan Organization: Oracle Corporation Message-ID: Date: Thu, 18 Jul 2019 16:13:49 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190717143451.xbz6dkjnmxd7rcon@black.fi.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9321 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907180095 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9321 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=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907180095 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/7/17 22:34, Kirill A. Shutemov wrote: > On Tue, Jul 16, 2019 at 01:17:20PM +0000, Zhenzhong Duan wrote: >> Fix gcc warning: >> >> arch/x86/boot/compressed/pgtable_64.c: In function 'find_trampoline_placement': >> arch/x86/boot/compressed/pgtable_64.c:43:16: warning: unused variable 'trampoline_start' [-Wunused-variable] >> unsigned long trampoline_start; >> ^ >> >> Signed-off-by: Zhenzhong Duan >> Cc: Kirill A. Shutemov >> Cc: Peter Zijlstra >> Cc: Thomas Gleixner >> Cc: Ingo Molnar >> Cc: Borislav Petkov > Acked-by: Kirill A. Shutemov > > Have no idea why I don't see the warning in my setup. Try below: make bzImage EXTRA_CFLAGS="-Wunused-variable" Zhenzhong