Re: [tip:x86/fpu] x86/fpu: Don't export __kernel_fpu_{begin,end}()
From: Borislav Petkov
Date: Tue Dec 04 2018 - 06:39:48 EST
On Mon, Dec 03, 2018 at 11:08:41PM +0100, Borislav Petkov wrote:
> On Mon, Dec 03, 2018 at 10:12:19PM +0100, Ard Biesheuvel wrote:
> > > + * Using the FPU in hardirq is not allowed.
> >
> > According to the documentation in x86/kernel/fpu/core.c, this is not
> > true. So which one is accurate?
>
> I think you mean the irq from user mode... Yap, we do allow that.
>
> Sebastian?
Ok, I've zapped that sentence from the comment until we clarify what
Sebastian meant.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.