Re: [PATCH v2 3/3] i387: support lazy restore of FPU state

From: Ingo Molnar
Date: Tue Feb 21 2012 - 13:07:11 EST



* H. Peter Anvin <hpa@xxxxxxxxx> wrote:

> On 02/20/2012 09:27 PM, Linus Torvalds wrote:
> >
> > IOW, if you can try this on top of current -git, that would be lovely.
> >
>
> This passed all my build tests overnight.
>
> I don't know if unlazy_fpu() being out of line will cause a context
> switch performance loss, though.
>
> Otherwise:
>
> Acked-by: H. Peter Anvin <hpa@xxxxxxxxx>
>
> Let me know if you'd prefer me to pull this into the -tip tree.

I think we should put it into tip:x86/fpu or so, and run it
through all the regular testing channels and queue it up for
v3.4.

Thanks,

Ingo
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