lkml.org 
[lkml]   [2004]   [Aug]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC&PATCH] Alternative RCU implementation
On Mon, Aug 30, 2004 at 11:22:49PM -0400, Jim Houston wrote:
> On Mon, 2004-08-30 at 14:52, Paul E. McKenney wrote:
> > How does the rest of the kernel work with all interrupts to
> > a particular CPU shut off? For example, how do you timeslice?
>
> It's a balancing act. In some cases we just document the
> missing functionality. If the local timer is disabled on a cpu,
> all processes are SCHED_FIFO. In the case of Posix timers, we
> move timers to honor the procesor shielding an the process affinity.

I have to ask... When you say that you move the timers, you mean that
non-realtime CPU 1 managers timers for realtime CPU 0, so that CPU 1
is (effectively) taking CPU 0's timer interrupts?

Thanx, Paul
-
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 14:05    [W:0.058 / U:0.452 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site