[src/trunk]: src/sys/dev/sysmon sysmon_task_queue_sched needs to RUN_ONCE(tq_...

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

details:   https://anonhg.NetBSD.org/src/rev/be9617a6a7b3
branches:  trunk
changeset: 337799:be9617a6a7b3
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Apr 28 11:58:49 2015 +0000

description:
sysmon_task_queue_sched needs to RUN_ONCE(tq_preinit) as well, it can
be called from sysmon_envsys_register() early.

diffstat:

 sys/dev/sysmon/sysmon_taskq.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 23202362dc97 -r be9617a6a7b3 sys/dev/sysmon/sysmon_taskq.c
--- a/sys/dev/sysmon/sysmon_taskq.c     Tue Apr 28 11:15:55 2015 +0000
+++ b/sys/dev/sysmon/sysmon_taskq.c     Tue Apr 28 11:58:49 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sysmon_taskq.c,v 1.18 2015/04/27 07:51:28 pgoyette Exp $       */
+/*     $NetBSD: sysmon_taskq.c,v 1.19 2015/04/28 11:58:49 martin Exp $ */
 
 /*
  * Copyright (c) 2001, 2003 Wasabi Systems, Inc.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sysmon_taskq.c,v 1.18 2015/04/27 07:51:28 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sysmon_taskq.c,v 1.19 2015/04/28 11:58:49 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/malloc.h>
@@ -212,6 +212,8 @@
 {
        struct sysmon_task *st, *lst;
 
+       (void)RUN_ONCE(&once_tq, tq_preinit);
+
        if (sysmon_task_queue_lwp == NULL)
                aprint_debug("WARNING: Callback scheduled before sysmon "
                    "task queue thread present\n");