Re: [PATCH] x86/ioremap: Map EFI runtime services data as encrypted for SEV

[Borislav Petkov]

On Tue, Mar 10, 2020 at 05:37:38PM +0100, Borislav Petkov wrote:
> Let's wrap this in a new function which is called at the end of
> __ioremap_check_mem() instead of trying to map EFI_RUNTIME_SERVICES_DATA
> to IORES_DESC types and match the flags just so that we can preserve the
> flow. And add a comment above it why we're doing this.
> 
> As you said on IRC, none of the IO resource ranges covers the
> EFI_RUNTIME_SERVICES_DATA.

Ok, here's what I have. @joro, I know it is trivially different from the
version you tested but I'd appreciate it if you ran it again, just to be
sure.

Thx.

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