lkml.org 
[lkml]   [2004]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23

* Mark_H_Johnson@raytheon.com <Mark_H_Johnson@raytheon.com> wrote:

> >you have to build another kernel for them. irqs-off and preempt-off
> >timing can be mixed freely (and both can be enabled in the same kernel),
> >but wakeup timing deserves its own .config space and since it's not
> >mixable with the other two methods i didnt see much point in enabling
> >all 3 at once with strange dependencies between them. Is this a big
> >issue? Normally i think the wakeup timing is more than enough to get a
> >feel of latencies, and if something specific is suspected the other ones
> >can be turned on.
>
> Just that it takes an hour or so to rebuild the kernel plus the disk
> storage to keep two kernels instead of one.

ok, i added runtime configurability of the 3 options back, so that you
can build all 3 in and switch between them via the preempt_wakeup_timing
flag. Will be in the next release.

Ingo
-
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: 2005-03-22 14:07    [W:0.060 / U:4.528 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site