Module Name: src
Committed By: para
Date: Thu Feb 23 12:24:05 UTC 2012
Modified Files:
src/sys/kern: kern_runq.c
Log Message:
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
To generate a diff of this commit:
cvs rdiff -u -r1.33 -r1.34 src/sys/kern/kern_runq.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/kern_runq.c
diff -u src/sys/kern/kern_runq.c:1.33 src/sys/kern/kern_runq.c:1.34
--- src/sys/kern/kern_runq.c:1.33 Fri Dec 2 12:31:03 2011
+++ src/sys/kern/kern_runq.c Thu Feb 23 12:24:05 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_runq.c,v 1.33 2011/12/02 12:31:03 yamt Exp $ */
+/* $NetBSD: kern_runq.c,v 1.34 2012/02/23 12:24:05 para 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 1.34 2012/02/23 12:24:05 para Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -99,7 +99,7 @@ static void sched_balance(void *);
/*
* Preemption control.
*/
-int sched_upreempt_pri = PRI_KERNEL;
+int sched_upreempt_pri = 0;
#ifdef __HAVE_PREEMPTION
# ifdef DEBUG
int sched_kpreempt_pri = 0;
