From: Tomas Hruby <thruby@few.vu.nl>
Date: Fri, 4 Nov 2011 17:47:45 +0000 (+0000)
Subject: SMP - cpu_is_idle made volatile
X-Git-Tag: v3.2.0~131
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=41bd5f2fc67982299f632adc6e5b6e6146212e97;p=minix.git

SMP - cpu_is_idle made volatile
---

diff --git a/kernel/cpulocals.h b/kernel/cpulocals.h
index b12978a65..2f844f1b9 100644
--- a/kernel/cpulocals.h
+++ b/kernel/cpulocals.h
@@ -74,7 +74,7 @@ DECLARE_CPULOCAL(struct proc *, ptproc);
 /* CPU private run queues */
 DECLARE_CPULOCAL(struct proc *, run_q_head[NR_SCHED_QUEUES]); /* ptrs to ready list headers */
 DECLARE_CPULOCAL(struct proc *, run_q_tail[NR_SCHED_QUEUES]); /* ptrs to ready list tails */
-DECLARE_CPULOCAL(int, cpu_is_idle); /* let the others know that you are idle */
+DECLARE_CPULOCAL(volatile int, cpu_is_idle); /* let the others know that you are idle */
 
 DECLARE_CPULOCAL(volatile int, idle_interrupted); /* to interrupt busy-idle
 						     while profiling */