Re: [tip:x86/fpu] x86/fpu: Don't export __kernel_fpu_{begin,end}()

From: Borislav Petkov
Date: Mon Dec 03 2018 - 17:08:50 EST


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?

Thx.

--
Regards/Gruss,
Boris.

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