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 3A656D11183 for ; Mon, 4 Nov 2024 06:18:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/r0D1fzxP08DPM1Mhtsw52CPy50i/CtyJxN1In01ifc=; b=3F5KtrbRWNOHNo T+3clmL9d5MEC0jJOA2Z8MTZkgc6PMtRmGkxxdzYx6ajSGC18csGzBpmD7B1cKLsfLwCed8PlNzLM wy6zafTITMBvEUvIwLhqg16ou4sNFZMjuPi1DOvxtqEjR78GaZ4MFYcZ81vAW+pudq8BjGPfosISD rZ3mhHS3kF47ZGWXSkhyiU5c8V/jTW/in9c+GpCbIQkAwOBnFLc3ilfSYhhhN+WXk2ZZcJP4d7lvU ve3p2R3d755p7XFdTsgjWLL73RnlgFjlJ4CVBft8BS26DrS53cFxe8BLVqBT7dRwVloVKJ9cw669k 7n28ZVp5gMzd470sXgOg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t7qPg-0000000CkKi-17QZ; Mon, 04 Nov 2024 06:18:08 +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 1t7qPb-0000000CkKE-1bWb for kexec@lists.infradead.org; Mon, 04 Nov 2024 06:18:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1730701080; 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=Do/2TiELOGIeqU3m4GK74cp6r6SIjB0QSr9SYGDc+Tc=; b=F8qd860iqM807yJMtKDFVnQeAOyiAkva9vlyQRrdu1U2h3rxvRrW91nwDKsiSt4u2RSV9J x+DD4Tu/ajTRngXLIysi7oklHoi4MXN1/K29OTOLybdMNGlgy7jB/CED0D3DrZVPHevAHe ouJcGr1Fbv+pBuQpQwZdzBNprLpdVh8= 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-533-2cIPdUKtPMy9hOiHaNGHWw-1; Mon, 04 Nov 2024 01:17:57 -0500 X-MC-Unique: 2cIPdUKtPMy9hOiHaNGHWw-1 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-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7F5A11955EE9; Mon, 4 Nov 2024 06:17:55 +0000 (UTC) Received: from localhost (unknown [10.72.112.78]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BF30719560AD; Mon, 4 Nov 2024 06:17:52 +0000 (UTC) Date: Mon, 4 Nov 2024 14:17:48 +0800 From: Baoquan He To: Coiby Xu Cc: kexec@lists.infradead.org, Ondrej Kozina , akpm@linux-foundation.org, 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-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-20241103_221803_522312_FB950BB6 X-CRM114-Status: GOOD ( 11.46 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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: I am doing RHEL code rebasing to upstream kernel, will review this next week. Thanks Baoquan _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec