Re: [PATCH v11 3/4] x86/cpu: Do a sanity check on required feature bits

From: H. Peter Anvin

Date: Mon Mar 23 2026 - 21:37:22 EST


On March 23, 2026 3:09:55 PM PDT, Borislav Petkov <bp@xxxxxxxxx> wrote:
>On Mon, Mar 23, 2026 at 03:03:34PM -0700, H. Peter Anvin wrote:
>> Yes, hence the tainting.
>>
>> The PAE case is historic, but it was a concrete example I had in my head
>> where this issue You also of course mention BIOS settings and there are VMs
>> ...
>
>I'm still not convinced. But it is just one function so whateva.
>
>I'll buy you a beer the first time we hit this in conjunction with a real use
>case!
>
>(No, silly VMs don't count.)
>
>:-)
>

Heh :)