Re: [patch 09/31] x86/fpu: Do not inherit FPU context for CLONE_THREAD

Borislav Petkov
2021-10-12T16:10:48Z

On Tue, Oct 12, 2021 at 02:00:11AM +0200, Thomas Gleixner wrote:
> CLONE_THREAD does not have the guarantee of a true fork to inherit all
> state. Especially the FPU state is meaningless for CLONE_THREAD.
>
> Just wipe out the minimal required state so restore on return to user space
> let's the thread start with a clean FPU.

This sentence reads weird, needs massaging.

--
Regards/Gruss,
Boris.