linux-kernel - Re: [PATCH v7 0/7] Support kdump with LUKS encryption by reusing LUKS volume keys

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Message-ID: <36wuxuweax7e5p3q7nqrgh64m3c5xbizvanxdzkkrsuarhejws@tmjheoas6stx>
Date: Fri, 7 Feb 2025 15:57:05 +0800
From: Coiby Xu <coxu@...hat.com>
To: Baoquan He <bhe@...hat.com>
Cc: kexec@...ts.infradead.org, Ondrej Kozina <okozina@...hat.com>, 
	Milan Broz <gmazyland@...il.com>, Thomas Staudt <tstaudt@...ibm.com>, 
	Daniel P . Berrangé <berrange@...hat.com>, Kairui Song <ryncsn@...il.com>, 
	Jan Pazdziora <jpazdziora@...hat.com>, Pingfan Liu <kernelfans@...il.com>, 
	Dave Young <dyoung@...hat.com>, linux-kernel@...r.kernel.org, x86@...nel.org, 
	Dave Hansen <dave.hansen@...el.com>, Vitaly Kuznetsov <vkuznets@...hat.com>
Subject: Re: [PATCH v7 0/7] Support kdump with LUKS encryption by reusing
 LUKS volume keys

On Fri, Feb 07, 2025 at 11:01:15AM +0800, Baoquan He wrote:
>Hi Coiby,

Hi Baoquan,

>
>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 for reviewing the patch set! I'll send a new version which will
apply Randy's suggestions!

>
>Thanks
>Baoquan
>

-- 
Best regards,
Coiby