Re: [PATCH v2 1/2] x86/fpu: Extend kernel_fpu_begin_mask() to initialize AMX state

[Thomas Gleixner]

On Thu, May 09 2024 at 10:36, Dave Hansen wrote:
> Three lines of code:
>
> 	1. IFS declares its need to own the FPU for a moment, like any
> 	   other kernel_fpu_begin() user.  It's not a special snowflake.
> 	   It is boring.
> 	2. IFS zaps the FPU state
> 	3. IFS gives up the FPU
>
> Am I out of my mind?  What am I missing?  Why bother with _anything_
> more complicated than this?

Right. Keep it simple :)