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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99572E7717F for ; Sat, 14 Dec 2024 02:24:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H1dpSCmmqK/j/7n07sNfCg5XminxI/aT3vgOaLdpOTw=; b=kNmCvQuGf1dQ1+2ReuPpau/tM8 JFqKSzwslF1pgdooyCzRoesLpM1YldVTGceKMEdi1BcFY5MIVJAyu8/QUJbmcy+HO+ygWCKnB9Kh0 pOrEcE2jreiqb+SzPn3J51xYXEyz25Hn2CAYl89CVY+3gskw70AAUBO/kGZuVSlPznholpzvgZkSq Puuzq6ZCpChKIJasdzUiOALy/p7mrb1d8KU8FmXNLPwXGYLd4J4RyYWfzsRD1mhpCWzM8Mv+w4Riw Ot2UPQd7wsXwENGtAM5r1caOrT2Zl3B1x5iypTE3y9wycRthrgWldxBemgwGO3U7uLJG4KS7BucfH zhaEU60g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tMHpl-00000005YiS-0FBS; Sat, 14 Dec 2024 02:24:45 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tMHph-00000005Yhj-2j6s for kexec@lists.infradead.org; Sat, 14 Dec 2024 02:24:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1734143078; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=H1dpSCmmqK/j/7n07sNfCg5XminxI/aT3vgOaLdpOTw=; b=V73S8Yj2KVQmvwE20f9dhXB8FOmhpJkMKQlIOLj457q33g7iC1zZG/s7FywLIa7QnFmgPJ r7kdjkeH9tpXC0sIPud71wjkiFn8+I6W7sw5blipCdUSibsEYW6GnCibIQ/8z51QiFTAOx 03QYVGjdrJOXXvldB+/D/GlMlDzCjsk= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-217-8OlSKUhYPvy85pFRhSU7hg-1; Fri, 13 Dec 2024 21:24:35 -0500 X-MC-Unique: 8OlSKUhYPvy85pFRhSU7hg-1 X-Mimecast-MFC-AGG-ID: 8OlSKUhYPvy85pFRhSU7hg Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 46A7019560A2; Sat, 14 Dec 2024 02:24:33 +0000 (UTC) Received: from localhost (unknown [10.72.112.69]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 40893195605A; Sat, 14 Dec 2024 02:24:30 +0000 (UTC) Date: Sat, 14 Dec 2024 10:24:26 +0800 From: Baoquan He To: Coiby Xu Cc: kexec@lists.infradead.org, Ondrej Kozina , Milan Broz , Thomas Staudt , Daniel P =?iso-8859-1?Q?=2E_Berrang=E9?= , Kairui Song , Jan Pazdziora , Pingfan Liu , Dave Young , linux-kernel@vger.kernel.org, x86@kernel.org, Dave Hansen , Vitaly Kuznetsov , Greg KH Subject: Re: [PATCH v6 0/7] Support kdump with LUKS encryption by reusing LUKS volume keys Message-ID: References: <20241029055223.210039-1-coxu@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241029055223.210039-1-coxu@redhat.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241213_182441_762520_D58B592D X-CRM114-Status: GOOD ( 11.37 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Hi Coiby, On 10/29/24 at 01:52pm, Coiby Xu wrote: > LUKS is the standard for Linux disk encryption, widely adopted by users, > and in some cases, such as Confidential VMs, it is a requirement. With > kdump enabled, when the first kernel crashes, the system can boot into > the kdump/crash kernel to dump the memory image (i.e., /proc/vmcore) > to a specified target. However, there are two challenges when dumping > vmcore to a LUKS-encrypted device: Other than those small concerns, and the lkp reported issue, the overral series looks good to me. Thanks for the effort. Thanks Baoquan