Re: [PATCH] x86/unaccepted_memory: Do not accept ranges that are no longer E820 RAM

[Gupta, Pankaj]

> > >
> > Can we just disallow memmap= when running in a confidential VM?
>
> My experiments showed: memmap itself don't have a problem but memap 
> with a hole is causing crash.
>
> There might be some usecases which are already using this, e.g:
>
> https://lore.kernel.org/all/20261029-cma-multi-v1-0-2cbced8b5cb7@xxxxxxxxxx/ 
Its also good to have a general safeguard to not accept memory that is 
not marked as RAM in e820?

Thanks,

Pankaj