lkml.org 
[lkml]   [2005]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: PREEMPT_RT vs ADEOS: the numbers, part 1


On Sun, 12 Jun 2005, Ingo Molnar wrote:

> ok, this method should work fine. I suspect you increased the parport
> IRQ's priority to the maximum on the PREEMPT_RT kernel, correct? Was
> there any userspace thread on the target system (receiving the parport
> request and sending the reply), or was it all done in a kernelspace
> parport driver?

Whatever interrupt is used should be SA_NODELAY if you want maximum
response. The interrupt would need to be validated though , not to lock
mutexes.

Daniel

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-06-12 17:30    [W:0.070 / U:0.316 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site