X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Frcupreempt.c;h=e1cdf196a51507ae644c8a7369b599c5233f8604;hb=b9fa38f75ea7e1f64bc29653ca9758303ce698e4;hp=c7c52096df48f180d08c133476a9464447d956b9;hpb=076d84bbdb396360d16aaa108c55aa1e24ad47a3;p=linux-2.6

diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index c7c52096df..e1cdf196a5 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -918,8 +918,9 @@ void rcu_offline_cpu(int cpu)
 	 * fix.
 	 */
 
+	local_irq_save(flags);
 	rdp = RCU_DATA_ME();
-	spin_lock_irqsave(&rdp->lock, flags);
+	spin_lock(&rdp->lock);
 	*rdp->nexttail = list;
 	if (list)
 		rdp->nexttail = tail;
@@ -951,9 +952,11 @@ static void rcu_process_callbacks(struct softirq_action *unused)
 {
 	unsigned long flags;
 	struct rcu_head *next, *list;
-	struct rcu_data *rdp = RCU_DATA_ME();
+	struct rcu_data *rdp;
 
-	spin_lock_irqsave(&rdp->lock, flags);
+	local_irq_save(flags);
+	rdp = RCU_DATA_ME();
+	spin_lock(&rdp->lock);
 	list = rdp->donelist;
 	if (list == NULL) {
 		spin_unlock_irqrestore(&rdp->lock, flags);
@@ -1004,10 +1007,10 @@ void __synchronize_sched(void)
 	if (sched_getaffinity(0, &oldmask) < 0)
 		oldmask = cpu_possible_map;
 	for_each_online_cpu(cpu) {
-		sched_setaffinity(0, cpumask_of_cpu(cpu));
+		sched_setaffinity(0, &cpumask_of_cpu(cpu));
 		schedule();
 	}
-	sched_setaffinity(0, oldmask);
+	sched_setaffinity(0, &oldmask);
 }
 EXPORT_SYMBOL_GPL(__synchronize_sched);