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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 00F84C433FE for ; Tue, 14 Jul 2020 21:01:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D924F2064C for ; Tue, 14 Jul 2020 21:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728044AbgGNVBQ (ORCPT ); Tue, 14 Jul 2020 17:01:16 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:43320 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728018AbgGNVBQ (ORCPT ); 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Tue, 14 Jul 2020 21:00:59 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06EL0wlO38928860 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Jul 2020 21:00:58 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26234AE062; Tue, 14 Jul 2020 21:00:58 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3D977AE067; Tue, 14 Jul 2020 21:00:53 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.163.66.159]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTPS; Tue, 14 Jul 2020 21:00:52 +0000 (GMT) References: <159466074408.24747.10036072269371204890.stgit@hbathini.in.ibm.com> <159466083461.24747.6919654118386889005.stgit@hbathini.in.ibm.com> User-agent: mu4e 1.2.0; emacs 26.3 From: Thiago Jung Bauermann To: Hari Bathini Cc: Michael Ellerman , Andrew Morton , kernel test robot , Pingfan Liu , Kexec-ml , Mimi Zohar , Nayna Jain , Petr Tesarik , Mahesh J Salgaonkar , Sourabh Jain , lkml , linuxppc-dev , Eric Biederman , Dave Young , Vivek Goyal Subject: Re: [PATCH v3 01/12] kexec_file: allow archs to handle special regions while locating memory hole In-reply-to: <159466083461.24747.6919654118386889005.stgit@hbathini.in.ibm.com> Date: Tue, 14 Jul 2020 18:00:49 -0300 Message-ID: <875zap95ha.fsf@morokweng.localdomain> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-14_09:2020-07-14,2020-07-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 malwarescore=0 mlxscore=0 mlxlogscore=755 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007140143 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hari Bathini writes: > Some architectures may have special memory regions, within the given > memory range, which can't be used for the buffer in a kexec segment. > Implement weak arch_kexec_locate_mem_hole() definition which arch code > may override, to take care of special regions, while trying to locate > a memory hole. > > Also, add the missing declarations for arch overridable functions and > and drop the __weak descriptors in the declarations to avoid non-weak > definitions from becoming weak. > > Reported-by: kernel test robot > [lkp: In v1, arch_kimage_file_post_load_cleanup() declaration was missing] > Signed-off-by: Hari Bathini > Acked-by: Dave Young > Tested-by: Pingfan Liu Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center