so what are the differences between a kernel module and kernel threads, as
you said kernel threads can be scheduled, pre-empted and all.that is one
Whats the utility of kernel threads, do drivers generally use them or if I
put it in a better way, when should someone think of using kernel threads
in his/her modules?
thanks
Amit
Anupam Kapoor <anupam.kapoor@gmail.com> on 06/30/2004 02:55:43 PM
To: Jan Hudec <bulb@ucw.cz>
cc: Amit Kumar Singh/HSS@HSS, Anandraj <arm@tataelxsi.co.in>,
kernelnewbies@nl.linux.org
Subject: Re: kernel threads
also, kernel threads have their mm pointer set to NULL. kernel threads
are schedulable, preemptible etc. just like normal processes.
anupam
On Wed, 30 Jun 2004 10:55:40 +0200, Jan Hudec <bulb@ucw.cz> wrote:
> On Wed, Jun 30, 2004 at 13:15:23 +0530, aksingh@hss.hns.com wrote:
> > i read that already, there the programmer has used his own functions to
> > create threads and all, i just wanted to know if kernel threads are
> > standard features and if kernel provides some functions to create,
destroy
> > them, because I never came across them in linux till now. I dont think
> > drivers create different threads, correct ?
>
> Kernel threads are created, surprisingly, with a function
> kernel_thread(). Then they need to call daemonize() to fully get rid of
> their userland and reparent to init, because they are created by cloning
> whatever process happens to be current.
>
>
-------------------------------------------------------------------------------
> Jan 'Bulb' Hudec
<bulb@ucw.cz>
>
>
>
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