X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fpercpu_counter.c;h=393a0e915c23b252b747c62645beb463e25843ed;hb=e9f20d6f03e8df393b001dab6dc5226c2a5daf57;hp=9659eabffc319c5235669a87687949d270536b4e;hpb=c548f08a4f7b89b93c805e0c4024b8302afa7121;p=linux-2.6

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 9659eabffc..393a0e915c 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -124,12 +124,13 @@ static int __cpuinit percpu_counter_hotcpu_callback(struct notifier_block *nb,
 	mutex_lock(&percpu_counters_lock);
 	list_for_each_entry(fbc, &percpu_counters, list) {
 		s32 *pcount;
+		unsigned long flags;
 
-		spin_lock(&fbc->lock);
+		spin_lock_irqsave(&fbc->lock, flags);
 		pcount = per_cpu_ptr(fbc->counters, cpu);
 		fbc->count += *pcount;
 		*pcount = 0;
-		spin_unlock(&fbc->lock);
+		spin_unlock_irqrestore(&fbc->lock, flags);
 	}
 	mutex_unlock(&percpu_counters_lock);
 	return NOTIFY_OK;