linux-kernel - Re: [PATCH v8 0/7] Support kdump with LUKS encryption by reusing LUKS volume keys

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Message-ID: <jx5dxurvzupwsdp2gma3vi7baijmqd4co4i2ilhsbkucdzxofj@ucvpictjctb6>
Date: Fri, 21 Mar 2025 14:54:35 +0800
From: Coiby Xu <coxu@...hat.com>
To: akpm@...ux-foundation.org, Dave Hansen <dave.hansen@...el.com>, 
	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>, 
	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 v8 0/7] Support kdump with LUKS encryption by reusing
 LUKS volume keys

On Mon, Feb 24, 2025 at 09:36:48AM +0800, Baoquan He wrote:
>Hi Andrew,
>
>On 02/11/25 at 06:25pm, Baoquan He wrote:
>> On 02/07/25 at 04:08pm, 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 patch set only supports x86. There will be patches to support other
>> > architectures once this patch set gets merged.
>
>Could you pick this patchset into your tree since no conern from other
>reviewers?

Thanks to Baoquan for endorsing the patch set!

Hi Andrew and Dave,

If there is anything further I need to do, any suggestion or feedback
will be appreciated!

Or if it's more appropriate for Dave to take the patch set to the x86 tree,
it couldn't be better.

>
>Thanks
>Baoquan
>
>>
>> This v8 looks good to me, thanks for the great effort, Coiby.
>>
>> Acked-by: Baoquan He <bhe@...hat.com>
>>
>

-- 
Best regards,
Coiby