[src/trunk]: src/sys/kern DTrace: Add __predict_false() to the DTrace hooks p...

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

details:   https://anonhg.NetBSD.org/src/rev/457bc9dd4142
branches:  trunk
changeset: 752256:457bc9dd4142
user:      darran <darran%NetBSD.org@localhost>
date:      Sun Feb 21 07:39:18 2010 +0000

description:
DTrace: Add __predict_false() to the DTrace hooks per rmind's suggestion.

diffstat:

 sys/kern/kern_synch.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r e763071e586e -r 457bc9dd4142 sys/kern/kern_synch.c
--- a/sys/kern/kern_synch.c     Sun Feb 21 07:28:51 2010 +0000
+++ b/sys/kern/kern_synch.c     Sun Feb 21 07:39:18 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_synch.c,v 1.277 2010/02/21 07:01:57 darran Exp $  */
+/*     $NetBSD: kern_synch.c,v 1.278 2010/02/21 07:39:18 darran Exp $  */
 
 /*-
  * Copyright (c) 1999, 2000, 2004, 2006, 2007, 2008, 2009
@@ -69,7 +69,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.277 2010/02/21 07:01:57 darran Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.278 2010/02/21 07:39:18 darran Exp $");
 
 #include "opt_kstack.h"
 #include "opt_perfctrs.h"
@@ -775,7 +775,7 @@
                 * other than INACTIVE (0), then it should have set the
                 * function to call.
                 */
-               if (dtrace_vtime_active) {
+               if (__predict_false(dtrace_vtime_active)) {
                        (*dtrace_vtime_switch_func)(newl);
                }
 #endif
@@ -927,7 +927,7 @@
             * other than INACTIVE (0), then it should have set the
             * function to call.
             */
-           if (dtrace_vtime_active) {
+           if (__predict_false(dtrace_vtime_active)) {
                    (*dtrace_vtime_switch_func)(newl);
            }
 #endif