X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fkref.c;h=a6dc3ec328e05fc8da4d69d185d13a5758ac0464;hb=db3459d1a71d885334831cdca6646a48f5ea0483;hp=0d07cc31c818108a5d9e3bc26444957108bad721;hpb=e7b3ca08549caccf5d6e1cf066780bf4f0ae77a7;p=linux-2.6

diff --git a/lib/kref.c b/lib/kref.c
index 0d07cc31c8..a6dc3ec328 100644
--- a/lib/kref.c
+++ b/lib/kref.c
@@ -21,6 +21,7 @@
 void kref_init(struct kref *kref)
 {
 	atomic_set(&kref->refcount,1);
+	smp_mb();
 }
 
 /**
@@ -31,6 +32,7 @@ void kref_get(struct kref *kref)
 {
 	WARN_ON(!atomic_read(&kref->refcount));
 	atomic_inc(&kref->refcount);
+	smp_mb__after_atomic_inc();
 }
 
 /**