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 C55D6C02194 for ; Fri, 7 Feb 2025 03:02:56 +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=bovCnASvGHhB/zWZqXML/1CrlUVnFOGyxkprm/QLHBA=; b=UI9hupXwkkA8PUpTAfN9TCA2wq JJei7+UHgsspGHKMa5mNn4gSxas574JEB20sFECQsAgwVfPeH056r5q5adDaIQ6lLT1hlp2zCt8pX gY5I4aHWshPXIOZl2hFQi5HNKwcl1/FbrnxwR8LboytfY/+nxZA9rFeXUuTzlyGEztJE1a75Lz2/H JurCcGGRD9c5ZEYEo7XJ+CCb+2wnNKRvSiNJJLgRPhRV1n84e9LiSLiD2og3jlqgEu/tz8vFhRTlw Ax006prSXdOrFa52dugF56hA88Z3sUxbLNM1GsUl0YRDdyg+xuU2TGpFq79Pe6fFzTinjyYzr+p6g IaL7cGqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgEdq-000000089GE-2IBK; Fri, 07 Feb 2025 03:02:54 +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 1tgEcU-0000000890d-26jd for kexec@lists.infradead.org; Fri, 07 Feb 2025 03:01:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1738897288; 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=bovCnASvGHhB/zWZqXML/1CrlUVnFOGyxkprm/QLHBA=; b=hGZjPyyON7xRKP7ehp6tAcoLqrbMQOueEomNxe3ipieB9PBsdfeq5l7Ui19RFtfD6S7mWZ cFZPFuqj+QbWaX8PF9o7tNvScYpZfqeXnmpqHF6rfIIDpjn/vxkNP1iKbTc+XpCCwWa66y Fu06KZ4/V+iTvx5Fx5KSvJo5QA4qtaM= Received: from mx-prod-mc-02.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-595-EAWj6CjfObSvsuBwm3Abqg-1; Thu, 06 Feb 2025 22:01:24 -0500 X-MC-Unique: EAWj6CjfObSvsuBwm3Abqg-1 X-Mimecast-MFC-AGG-ID: EAWj6CjfObSvsuBwm3Abqg Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 02B451956086; Fri, 7 Feb 2025 03:01:23 +0000 (UTC) Received: from localhost (unknown [10.72.112.206]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C51F71800570; Fri, 7 Feb 2025 03:01:19 +0000 (UTC) Date: Fri, 7 Feb 2025 11:01:15 +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 Subject: Re: [PATCH v7 0/7] Support kdump with LUKS encryption by reusing LUKS volume keys Message-ID: References: <20250116065825.1041558-1-coxu@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250116065825.1041558-1-coxu@redhat.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250206_190130_619928_C5DD180D X-CRM114-Status: GOOD ( 10.35 ) 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 01/16/25 at 02:58pm, 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: This v7 series looks good to me, other than Randy's concern. Do you plan to repost to update the document? Thanks Baoquan