Subject: Re: Floating point in the kernel
To: Brian C. Grayson <email@example.com>
From: Ignatios Souvatzis <firstname.lastname@example.org>
Date: 09/18/1998 22:35:05
On Fri, Sep 18, 1998 at 03:13:20PM -0500, Brian C. Grayson wrote:
> On Fri, Sep 18, 1998 at 12:37:52PM -0700, Jason Thorpe wrote:
> > On Fri, 18 Sep 1998 14:49:29 -0500
> > "Brian C. Grayson" <email@example.com> wrote:
> > > Or is a scheme like this what you meant by ``very careful about
> > > saves and restores''? :)
> > ...but it still doens't solve the problem of not even having FP in hardware.
> Right. I was only trying to address ``FP can't be done in the
> kernel on _any_ hardware for interrupt-performance reasons, so
> Andreas is out of luck with his proposed LKM for a software
Uhm, not really.
If he does the computations using fixpoint arithmetics, he won't need
any hardware floating point at all, and no kernel modifications.