Module Name: src
Committed By: yamt
Date: Tue Jul 26 13:04:51 UTC 2011
Modified Files:
src/sys/kern: kern_sleepq.c
Log Message:
sleepq_insert: call lwp_eprio only when necessary
To generate a diff of this commit:
cvs rdiff -u -r1.39 -r1.40 src/sys/kern/kern_sleepq.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_sleepq.c
diff -u src/sys/kern/kern_sleepq.c:1.39 src/sys/kern/kern_sleepq.c:1.40
--- src/sys/kern/kern_sleepq.c:1.39 Fri May 13 22:19:41 2011
+++ src/sys/kern/kern_sleepq.c Tue Jul 26 13:04:51 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_sleepq.c,v 1.39 2011/05/13 22:19:41 rmind Exp $ */
+/* $NetBSD: kern_sleepq.c,v 1.40 2011/07/26 13:04:51 yamt Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.39 2011/05/13 22:19:41 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.40 2011/07/26 13:04:51 yamt Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -166,10 +166,11 @@
void
sleepq_insert(sleepq_t *sq, lwp_t *l, syncobj_t *sobj)
{
- lwp_t *l2;
- const int pri = lwp_eprio(l);
if ((sobj->sobj_flag & SOBJ_SLEEPQ_SORTED) != 0) {
+ lwp_t *l2;
+ const int pri = lwp_eprio(l);
+
TAILQ_FOREACH(l2, sq, l_sleepchain) {
if (lwp_eprio(l2) < pri) {
TAILQ_INSERT_BEFORE(l2, l, l_sleepchain);
