[patch] sched-HT-2.6.0-test11-A5

[Ingo Molnar]

On Sun, 23 Nov 2003, Martin J. Bligh wrote:

> > have you seen my HT scheduler patches, in particular the HT scheduler
> > in Fedora Core 1, which is on top of a pretty recent 2.6 scheduler? Works
> > pretty well.
> 
> Do you have a pointer to an updated patch? I haven't seen a version of
> that for a while, and would like to play with it.

i've uploaded the HT scheduler patch against 2.6.0-test11 to:

    redhat.com/~mingo/O(1)-scheduler/sched-HT-2.6.0-test11-A5

note, the patch includes a fix to sync wakeups, which might hurt lat_ctx.  
I've attached the fix against vanilla 2.6.0-test11 as well.

	Ingo

--- linux/kernel/sched.c.orig	
+++ linux/kernel/sched.c	
@@ -646,7 +646,7 @@ repeat_lock_task:
 				 */
 				p->activated = -1;
 			}
-			if (sync)
+			if (sync && (task_cpu(p) == smp_processor_id()))
 				__activate_task(p, rq);
 			else {
 				activate_task(p, rq);
-
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