[src/trunk]: src/sys/rump/librump/rumpkern add cpu_lock

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

details:   https://anonhg.NetBSD.org/src/rev/edb66acfdbaf
branches:  trunk
changeset: 343658:edb66acfdbaf
user:      pooka <pooka%NetBSD.org@localhost>
date:      Fri Feb 19 18:38:37 2016 +0000

description:
add cpu_lock

from freqlabs on irc

diffstat:

 sys/rump/librump/rumpkern/scheduler.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (36 lines):

diff -r bc38685cced8 -r edb66acfdbaf sys/rump/librump/rumpkern/scheduler.c
--- a/sys/rump/librump/rumpkern/scheduler.c     Fri Feb 19 17:05:40 2016 +0000
+++ b/sys/rump/librump/rumpkern/scheduler.c     Fri Feb 19 18:38:37 2016 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: scheduler.c,v 1.43 2016/02/08 18:18:19 pooka Exp $    */
+/*      $NetBSD: scheduler.c,v 1.44 2016/02/19 18:38:37 pooka Exp $    */
 
 /*
  * Copyright (c) 2010, 2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: scheduler.c,v 1.43 2016/02/08 18:18:19 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: scheduler.c,v 1.44 2016/02/19 18:38:37 pooka Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -80,6 +80,8 @@
 kcpuset_t *kcpuset_running = NULL;
 int ncpu, ncpuonline;
 
+kmutex_t cpu_lock;
+
 #define RCPULWP_BUSY   ((void *)-1)
 #define RCPULWP_WANTED ((void *)-2)
 
@@ -141,6 +143,8 @@
                num = MAXCPUS;
        }
 
+       mutex_init(&cpu_lock, MUTEX_DEFAULT, IPL_NONE);
+
        kcpuset_create(&kcpuset_attached, true);
        kcpuset_create(&kcpuset_running, true);