Re: [PATCH] x86/fpu: Revert earlier patch of Disable AVX when eagerfpu is off

From: Ingo Molnar
Date: Wed Mar 09 2016 - 13:42:38 EST



* Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> wrote:

> On Wed, Mar 09, 2016 at 01:46:26PM +0100, Ingo Molnar wrote:
> >
> > * Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> wrote:
> >
> > > AVX was mistakenly believed to be dependent on eagerfpu switch.
> > > This turns out to be false. The earlier patch should be reverted.
> > >
> > > Original patch:
> > > http://git.kernel.org/tip/394db20ca240741a08d472173db13d6f6a6e5a28
> >
> > So the original patch had a whole host of explanations of why that change is
> > correct. This revert should explain where that argumentation was wrong.
>
> I will send out another version that includes more details.

Great, thanks!

Ingo