From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 238101C36 for ; Sat, 14 Dec 2024 02:24:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734143082; cv=none; b=mZV43LQZfXofgI+OnRU97wHsSrLxiDM9Wwm/IfGIFoVIdBUOpieZnp4NNA+AxeUgv44RpdFdpz23WYLFQvU7iifeZNtKBNjR6IsUDea3x62RyShJXd9sb8JfISOSQ02mHjKS+eHbx0r8L1vtubuOOyxYdtN3wV3WfTFeDaaH2OU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734143082; c=relaxed/simple; bh=et1D6dfeplOdZeFaPO6hotSgn8lyeqC70x+GC6HjPE0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GU/i4hqX1+CuZBdxXXz072aHFBDtZCSlROiYw4LN6QOcxnNF/OJO5dw8ZqRy5OjLK8SxdjRmj9jCsJzqroXhiUt7jNmGoL/dNosBSwtf8Wb9EFlsGBoo1yWCzIghOVAwrxOCTd1Ob5jRnooqZQdRRI5/29zScFH+1nvcYxkwFEk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=V73S8Yj2; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="V73S8Yj2" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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