[src/trunk]: src/sys/kern Initialize ex_lock and ex_cv only in the not-EX_EAR...

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

details:   https://anonhg.NetBSD.org/src/rev/6b7cf129fbc0
branches:  trunk
changeset: 826635:6b7cf129fbc0
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Mon Sep 18 13:22:56 2017 +0000

description:
Initialize ex_lock and ex_cv only in the not-EX_EARLY case.

diffstat:

 sys/kern/subr_extent.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (31 lines):

diff -r 38d3058a2eb7 -r 6b7cf129fbc0 sys/kern/subr_extent.c
--- a/sys/kern/subr_extent.c    Mon Sep 18 10:18:13 2017 +0000
+++ b/sys/kern/subr_extent.c    Mon Sep 18 13:22:56 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_extent.c,v 1.84 2017/08/24 17:18:55 kre Exp $     */
+/*     $NetBSD: subr_extent.c,v 1.85 2017/09/18 13:22:56 jakllsch Exp $        */
 
 /*-
  * Copyright (c) 1996, 1998, 2007 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_extent.c,v 1.84 2017/08/24 17:18:55 kre Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_extent.c,v 1.85 2017/09/18 13:22:56 jakllsch Exp $");
 
 #ifdef _KERNEL
 #ifdef _KERNEL_OPT
@@ -295,8 +295,10 @@
        }
 
        /* Fill in the extent descriptor and return it to the caller. */
-       mutex_init(&ex->ex_lock, MUTEX_DEFAULT, IPL_VM);
-       cv_init(&ex->ex_cv, "extent");
+       if ((flags & EX_EARLY) == 0) {
+               mutex_init(&ex->ex_lock, MUTEX_DEFAULT, IPL_VM);
+               cv_init(&ex->ex_cv, "extent");
+       }
        LIST_INIT(&ex->ex_regions);
        ex->ex_name = name;
        ex->ex_start = start;