Thanks for the infos, I'll try kernel thread or timer/softirq in the next days.
I'll let you know which of them fit my problems.

I actually have about +/- 1msec of freedom (but still require more investigation).

Paolo

On Tue, Jul 8, 2008 at 4:47 PM, Grant Likely <grant.likely@secretlab.ca> wrote:
On Tue, Jul 8, 2008 at 8:45 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Tuesday 08 July 2008, Grant Likely wrote:
>
>>
>> You can use a kernel thread.
>>
>> I'm not sure how accurate this is, but here is some information about them:
>>
>> http://www.linuxquestions.org/linux/articles/Technical/Linux_Kernel_Thread
>
> Not accurate at all. New code should use kthread_create, as documented in
>
> http://lwn.net/Articles/65178/

Teach me to blindly use google.  Thanks Arnd.

g.

--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.