Subject: Re: fsqrt

From: Benjamin Herrenschmidt <[email-masked]>
Date: Fri, 07 Jun 2013 18:53:53 +1000

On Fri, 2013-06-07 at 15:46 +0800, tiejun.chen wrote:
> On 06/07/2013 03:41 PM, Benjamin Herrenschmidt wrote:
> > Another question...
> >
> > Do you guys happen to have a patch to emulate fsqrt in the kernel ?
> 
> Seems this is already emulated:
> 
> arch/powerpc/math-emu/fsqrt.c
> 
> You can enable CONFIG_MATH_EMULATION to try.

Is math emu expected to work at all on top of a real FPU ? I though it
didn't ... maybe I'm wrong.

Cheers,
Ben.