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[23.128.96.18]) by mx.google.com with ESMTP id ce20si3475957ejc.661.2020.07.23.17.34.19; Thu, 23 Jul 2020 17:34:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727955AbgGXAdn (ORCPT + 99 others); Thu, 23 Jul 2020 20:33:43 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:27868 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726723AbgGXAdm (ORCPT ); Thu, 23 Jul 2020 20:33:42 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06O0WT97009903; Thu, 23 Jul 2020 20:33:34 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 32fb9bhhnx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jul 2020 20:33:34 -0400 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 06O0XXnW012212; Thu, 23 Jul 2020 20:33:33 -0400 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 32fb9bhhnr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jul 2020 20:33:33 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06O0L1HY023952; Fri, 24 Jul 2020 00:33:32 GMT Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by ppma01dal.us.ibm.com with ESMTP id 32brq9cmuw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Jul 2020 00:33:32 +0000 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06O0XVWu65012188 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Jul 2020 00:33:31 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 267287805C; Fri, 24 Jul 2020 00:33:31 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A2E1378066; Fri, 24 Jul 2020 00:33:27 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.163.53.35]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTPS; Fri, 24 Jul 2020 00:33:27 +0000 (GMT) References: <159524918900.20855.17709718993097359220.stgit@hbathini.in.ibm.com> <159524966309.20855.15216784717419378243.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 , 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 v4 10/12] ppc64/kexec_file: prepare elfcore header for crashing kernel In-reply-to: <159524966309.20855.15216784717419378243.stgit@hbathini.in.ibm.com> Date: Thu, 23 Jul 2020 21:33:23 -0300 Message-ID: <87365h69bg.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=2020-07-23_09:2020-07-23,2020-07-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 mlxlogscore=930 lowpriorityscore=0 clxscore=1015 spamscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 adultscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007230169 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hari Bathini writes: > Prepare elf headers for the crashing kernel's core file using > crash_prepare_elf64_headers() and pass on this info to kdump > kernel by updating its command line with elfcorehdr parameter. > Also, add elfcorehdr location to reserve map to avoid it from > being stomped on while booting. > > Signed-off-by: Hari Bathini > Tested-by: Pingfan Liu Reviewed-by: Thiago Jung Bauermann -- Thiago Jung Bauermann IBM Linux Technology Center