[src/netbsd-6]: src/sys/kern Pull up revision 1.34 (requested by para in tick...

[jdc <jdc%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/af8f50f73447
branches:  netbsd-6
changeset: 775528:af8f50f73447
user:      jdc <jdc%NetBSD.org@localhost>
date:      Sat Nov 24 20:50:15 2012 +0000

description:
Pull up revision 1.34 (requested by para in ticket #712).

change sched_upreempt_pri default to 0 as discussed on tech-kern@
should improve interactive performance on SMP machines
as user preemption happens immediately in x-cpu wakeup case now

diffstat:

 sys/kern/kern_runq.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r ead4a57baad5 -r af8f50f73447 sys/kern/kern_runq.c
--- a/sys/kern/kern_runq.c      Sat Nov 24 20:43:16 2012 +0000
+++ b/sys/kern/kern_runq.c      Sat Nov 24 20:50:15 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_runq.c,v 1.33 2011/12/02 12:31:03 yamt Exp $      */
+/*     $NetBSD: kern_runq.c,v 1.33.4.1 2012/11/24 20:50:15 jdc Exp $   */
 
 /*
  * Copyright (c) 2007, 2008 Mindaugas Rasiukevicius <rmind at NetBSD org>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_runq.c,v 1.33 2011/12/02 12:31:03 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_runq.c,v 1.33.4.1 2012/11/24 20:50:15 jdc Exp $");
 
 #include <sys/param.h>
 #include <sys/kernel.h>
@@ -99,7 +99,7 @@
 /*
  * Preemption control.
  */
-int            sched_upreempt_pri = PRI_KERNEL;
+int            sched_upreempt_pri = 0;
 #ifdef __HAVE_PREEMPTION
 # ifdef DEBUG
 int            sched_kpreempt_pri = 0;