Re: [PATCH] x86/bugs: Remove X86_BUG_MMIO_UNKNOWN

[Pawan Gupta]

On Mon, Apr 14, 2025 at 05:09:51PM +0200, Borislav Petkov wrote:
> From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>
> 
> Whack this thing because:
> 
> - the "unknown" handling is done only for this vuln and not for the
>   others
> 
> - it doesn't do anything besides reporting things differently. It
>   doesn't apply any mitigations - it is simply causing unnecessary
>   complications to the code which don't bring anything besides
>   maintenance overhead to what is already a very nasty spaghetti pile
> 
> - all the currently unaffected CPUs can also be in "unknown" status so
>   there's no need for special handling here
> 
> so get rid of it.
> 
> Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>

Reviewed-by: Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>