[PATCH v7 1/3] efi/x86: Fix EFI memory map corruption with kexec
Borislav Petkov
bp at alien8.de
Wed Jun 5 00:42:57 PDT 2024
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.
https://people.kernel.org/tglx/notes-about-netiquette
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