Re: [PATCH RFC 2/5] x86,fpu: delay FPU register loading until switch to userspace

From: Rik van Riel
Date: Tue Oct 04 2016 - 08:48:31 EST

On Tue, 2016-10-04 at 08:35 +0200, Ingo Molnar wrote:
> * Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> > > We can get rid of fpu.counter, since nobody uses it
> > > any more.
> >
> > We should definitely do this.
> >
> > Maybe getting in some cleanups first (my lazy fpu deletion,
> > fpu.counter removal, etc) first is the way to go.
> Could you guys please submit all pending FPU bits that aren't new
> functionality to -tip? I'll remove lazy FPU handling if you don't
> beat me to it.
> Plus after lazy FPU removal we should take another good look and
> make the FPU state machine even more obvious and self-documenting.
> Upstream merge commit 597f03f9d133 would be a good base.

I am flying out to Europe tomorrow, but will try to get
you the cleanups some time this week. ÂBesides the first
four patcehs from Andy, there is a shortlist of a few
more small changes.

All Rights Reversed.

Attachment: signature.asc
Description: This is a digitally signed message part