Re: [PATCH v7 1/3] efi/x86: Fix EFI memory map corruption with kexec

[Borislav Petkov]

On Wed, Jun 05, 2024 at 10:53:44AM +0800, Dave Young wrote:
> It's something good to have but not must for the time being,  also no
> idea how to save the status across boot, for EFI boot case probably a
> EFI var can be used;

Yes.

> but how can it be cleared in case of physical boot.  Otherwise
> probably injecting some kernel parameters, anyway this needs more
> thinking.

Yeah, this'll need proper analysis whether we can even do that reliably.

We need to increment it only on the kexec reboot paths and clear it on
the normal reboot paths.

Thx.

-- 
Regards/Gruss,
    Boris.

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