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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E311C433EF for ; Mon, 21 Mar 2022 12:29:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347334AbiCUMah (ORCPT ); Mon, 21 Mar 2022 08:30:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347335AbiCUMa3 (ORCPT ); Mon, 21 Mar 2022 08:30:29 -0400 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41003DF87 for ; Mon, 21 Mar 2022 05:29:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Jr1ZLs7cdsoRFBEY22djs5MKyrd9wQirB+eEW4f9e3M=; b=f6DA+B/dmje1YHC2W6jYmrhSLo kRDhdOtxpd2i8lgI6LjLrQWZDYVQnFowXWehLmiQ53gqYL4wUzmNoBDc/Ltfd2F6makpCxQyhRMo4 ARwdK81e9WXygF8hUpGFZMi9vamvCwfCavbB+yLsjHDQRCHMYy3rtz6j8mSH7zXj/SKqvc0BYOA6f hXQ8UGAHlPl+20y1EyZTqhbJecgCn1hgxBtDUOUz37rGhdGl4Xbnd92RlCB/1YBNfk6PArvki1GCm gdt/RLEwP0E/NzlBAgK9PAue6EvxHOttjTUkfdBOavhEqbzJEL6XoJBJZ+TLJ3teWGMzTTspdzki3 cPSy5Uyw==; Received: from [187.39.124.208] (helo=[192.168.0.110]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1nWH9I-000BLL-CG; Mon, 21 Mar 2022 13:28:36 +0100 Message-ID: <1ccc06f4-3fff-8a6e-2a66-3f117ca6f282@igalia.com> Date: Mon, 21 Mar 2022 09:28:15 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [RFC 0/4] Support kdump with LUKS encryption by reusing LUKS master key Content-Language: en-US To: Coiby Xu Cc: kexec@lists.infradead.org, Milan Broz , Thomas Staudt , Kairui Song , dm-devel@redhat.com, Mike Snitzer , Baoquan He , Dave Young , linux-kernel@vger.kernel.org References: <20220318103423.286410-1-coxu@redhat.com> <20220321014150.w6wux5azabweu7dr@Rk> From: "Guilherme G. Piccoli" In-Reply-To: <20220321014150.w6wux5azabweu7dr@Rk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/03/2022 22:41, Coiby Xu wrote: > [...] > > I believe some users have security concern for where to save vmcore. > This use case exactly fits your description and your proposed solution > shall be good for this type of users. But I think many more users may > just choose to encrypt the hard drive when installing the system and > they would naturally expect kdump to work for the case of full disk > encryption. So your proposed solution may not address the latter case > where there is a much large user base. > Thanks Coiby, makes sense, your idea is more generic and seems to address all the use cases! Cheers, Guilherme