Re: [PATCH RESEND v2] x86/mce: Set PG_hwpoison page flag to avoid the capture kernel panic

[Borislav Petkov]

On Tue, Oct 10, 2023 at 08:56:38AM +0800, Zhiquan Li wrote:
> 3. The solution in this patch overcomes all above drawbacks.  It set the
>    flag just before the production kernel calls panic(), which would not
>    introduce additional overhead in capture kernel or conflict with
>    other hwpoision-related code in production kernel.  Furthermore, it
>    leverages the already existing mechanisms to fix the issue as much as
>    possible, the code changes are also lightweight.

And the kdump kernel reads the page poison flags and so it avoids
copying them?

More comments as a reply to the patch.

-- 
Regards/Gruss,
    Boris.

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