Subject: Re: Porting user code into kernel space.
To: Ceri Storey <cez@mrtall.compsoc.man.ac.uk>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 12/06/2002 06:48:33
On Fri, Dec 06, 2002 at 01:49:50PM +0000, Ceri Storey wrote:
> I'm wondering if there are any special considerations I'll need to take
> into account when porting a user-space library (in this case a small
> subset of GMP) into kernel space. I realise that the memory allocation
> Is going to be intresting, and stack consumption is something to watch
> out for, but is there anything else?
For code which is self-contained, porting it to the kernel is usually
pretty easy.
However, you should make sure that you do NOT use floating-point in
the kernel -- it is not allowed.
--
-- Jason R. Thorpe <thorpej@wasabisystems.com>