On Fri, 2019-08-16 at 21:56 +0200, Thomas Gleixner wrote:
> On Tue, 13 Aug 2019, Yu-cheng Yu wrote:
> > +/*
> > + * On context switches, XSAVE states are not restored until returning
> > + * to user-mode. FPU registers need to be restored before any changes,
> > + * and protected by fpregs_lock()/
On Tue, 13 Aug 2019, Yu-cheng Yu wrote:
> +/*
> + * On context switches, XSAVE states are not restored until returning
> + * to user-mode. FPU registers need to be restored before any changes,
> + * and protected by fpregs_lock()/fpregs_unlock().
I really had to read this comment twice to figure