Re: [PATCH v4 22/22] x86/fpu/xstate: Introduce boot-parameters to control state component support

[Len Brown]

On Thu, Mar 25, 2021 at 9:50 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> Please provide the architectural document which guarantees that and does
> so in a way that it can be evaluated by the kernel. Have not seen that,
> so it does not exist at all.
>
>   Future CPUID attributes are as useful as the tweet of today.

I will do so the moment I am permitted.
I'm fine with dropping patch 22 until it can rely on the assurance of
that architectural feature.

thanks,
Len Brown, Intel Open Source Technology Center