X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Frcupreempt.h;h=3e05c09b54a22408db83e0f0a87a5a8bf9a40e8f;hb=2cb377283f3469d66f0ea7358015abfe8366e5d0;hp=0967f03b07056928c4176826d4bf216f329cbde9;hpb=62b3f981886b9b899eb0fc5fb59375f4512a1bd1;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 0967f03b070..3e05c09b54a 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -57,7 +57,13 @@ static inline void rcu_qsctr_inc(int cpu)
 	rdssp->sched_qs++;
 }
 #define rcu_bh_qsctr_inc(cpu)
-#define call_rcu_bh(head, rcu) call_rcu(head, rcu)
+
+/*
+ * Someone might want to pass call_rcu_bh as a function pointer.
+ * So this needs to just be a rename and not a macro function.
+ *  (no parentheses)
+ */
+#define call_rcu_bh	 	call_rcu
 
 /**
  * call_rcu_sched - Queue RCU callback for invocation after sched grace period.
@@ -111,7 +117,6 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu);
 struct softirq_action;
 
 #ifdef CONFIG_NO_HZ
-DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched);
 
 static inline void rcu_enter_nohz(void)
 {
@@ -126,8 +131,8 @@ static inline void rcu_exit_nohz(void)
 {
 	static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
 
-	smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
 	__get_cpu_var(rcu_dyntick_sched).dynticks++;
+	smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
 	WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1),
 				&rs);
 }