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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 9566FC4363D for ; Tue, 22 Sep 2020 14:50:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 53B3C208A9 for ; Tue, 22 Sep 2020 14:50:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="xOcjyx5R" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726685AbgIVOu4 (ORCPT ); Tue, 22 Sep 2020 10:50:56 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:35866 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726566AbgIVOuw (ORCPT ); Tue, 22 Sep 2020 10:50:52 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08MEnQ4M073827; Tue, 22 Sep 2020 14:50:41 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=S9KWFNn/vRgpsXs4MtviFndlv7prp+5DufiR9UkfpMs=; b=xOcjyx5R94qsWEQxBnOCyar8emso4G9Zusr6Nx8jfkhWqN+e5AMeyw9grggRXJYiU5+5 ACEWEVU7wqzVB6LfLWTAqT5NOY7OqIzT32u+yeJ5TfbLobTnXaiuU4s27Zm1Xck/Qv+v zX5lAk3X9d2jaxUTeG5YYGxtXxkBfPyFsEtvQ0QRlWXGbX+hxJDs0Gmd9MbDx+Lve7nL AKLqNZuJ5fBvn6nq6dTBJK36VOCoFbT2ltory+eYJYVqHLkAGo1yc/yzLXlKFXLt8LHi b7YkNl60m5e5o3c9j8dk0HUI4Vp5WdgGitXjrB0tibicnudbHXiSxkHCJbEn38jeHReN kw== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 33q5rgbjhg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 22 Sep 2020 14:50:41 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 08MEjsa0082922; Tue, 22 Sep 2020 14:50:40 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 33nuw43m4p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 22 Sep 2020 14:50:40 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 08MEobui024733; Tue, 22 Sep 2020 14:50:38 GMT Received: from [10.74.86.236] (/10.74.86.236) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 22 Sep 2020 07:50:37 -0700 Subject: Re: [PATCH] Only allow to set crash_kexec_post_notifiers on boot time To: Philipp Rudo , Konrad Rzeszutek Wilk Cc: Andrew Morton , bhe@redhat.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Eric Biederman , Eric DeVolder , Dave Young References: <20200918032546.GA4180@dhcp-128-65.nay.redhat.com> <20200918174743.0994c59f058451948837dcb6@linux-foundation.org> <20200921201811.GB3437@char.us.oracle.com> <20200922125809.66690d54@ibm> From: boris.ostrovsky@oracle.com Organization: Oracle Corporation Message-ID: <7ee09899-6724-e932-f73d-d49da0fb4a9d@oracle.com> Date: Tue, 22 Sep 2020 10:50:34 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.2.1 MIME-Version: 1.0 In-Reply-To: <20200922125809.66690d54@ibm> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9752 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 malwarescore=0 mlxscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009220118 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9752 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 adultscore=0 bulkscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009220118 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/22/20 6:58 AM, Philipp Rudo wrote: > > AFAIK pstore requires UEFI to work. So what's the point to enable it on non-UEFI > systems? I don't think UEFI is required, ERST can specify its own backend. And that, in fact, can be quite useful in virtualization scenarios (especially in cases of direct boot, when there is no OVMF) -boris