Re: Linux and priorities within kernel space

From: Arnand Gerbert (gerbert_at_in.tum.de)
Date: 07/22/04 

Date: Thu, 22 Jul 2004 17:03:56 +0200

Of course, you will need a real time operating system. The most known
based on the linux kernel are RTlinux and linux RTAI.

Martin wrote:
> I have maybe stupid question. From QNX I know every each driver acts
> as process having threads. Each thread has schedulinng scheme and it's
> own priority. How it's in Linux? I mean no user space, but kernel
> space. It looks for me like unpredictable bunch of mess. Can I somehow
> manage priorities even for the drivers? I'm using Denx's distribution.
> Or do I have to use some extensions? It looks like a problem with
> porting of already existing applications running on PC down to
> embedded slower CPUs. Specially streaming applications.

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