Re: [ANN] Lunatik -- NetBSD kernel scripting with Lua (GSoC project

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Wed, Oct 06, 2010 at 04:12:28PM -0500, Javier Guerra Giraldez wrote:
> On Wed, Oct 6, 2010 at 3:48 PM, Lourival Vieira Neto
> <lourival.neto%gmail.com@localhost> wrote:
> > the only limitation on the
> > language _core_ is the numeric format. It was redefined from a
> > floating point type to an integer type (long long).
> 
> just curious, why was that needed?   is floating point forbidden by
> code conventions?

For performance reasons, the FPU context is normally not touched in the
system call path. It should be possible to do it for specific LWPs and
there are good reasons for wanting it (crypto anyone?), but that's
highly MD.

Joerg