Re: [PATCH v4 0/7] Support kdump with LUKS encryption by reusing LUKS volume keys

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Hi Coiby,

On 05/23/24 at 01:04pm, Coiby Xu wrote:
> LUKS is the standard for Linux disk encryption. Many users choose LUKS
> and in some use cases like Confidential VM it's mandated. With kdump
> enabled, when the 1st kernel crashes, the system could boot into the
> kdump/crash kernel and dump the memory image i.e. /proc/vmcore to a
> specified target. Currently, when dumping vmcore to a LUKS
> encrypted device, there are two problems,

I am done with this round of reviewing. The overall approach looks good
to me, while there are places to improve or fix. I have added comment on
all things I am concerned about, please check. Thanks for the effort.

By the way, do you get confirmation on the solution from encryption/keys
developer of redhat internally or upstream? With my understanding, it
looks good. It may need their confirmation or approval in some ways.

Thanks
Baoquan


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