Re: [PATCH v9 12/26] x86/fpu/xstate: Use feature disable (XFD) to protect dynamic user state

[Len Brown]

On Wed, Aug 18, 2021 at 2:09 PM Borislav Petkov <bp@xxxxxxxxx> wrote:

> What relevance does the fact have for userspace whether the kernel
> supports XFD or not?

Right.
If user space needs to know that XFD exists, then we have done
something very wrong.

-- 
Len Brown, Intel Open Source Technology Center