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

From: Yu-cheng Yu
Date: Wed Mar 09 2016 - 12:22:53 EST


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.

Thanks,
Yu-cheng