X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Fmarker.h;h=889196c7fbb1e77cc5b4561e2b0b7f937b864434;hb=58e20d8d344b0ee083febb18c2b021d2427e56ca;hp=1290653f924181333f6699d37b161238370b1515;hpb=849c529f57020cc47085400edd5e641d95cd4faf;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/marker.h b/include/linux/marker.h
index 1290653f924..889196c7fbb 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -160,4 +160,11 @@ extern int marker_probe_unregister_private_data(marker_probe_func *probe,
 extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
 	int num);
 
+/*
+ * marker_synchronize_unregister must be called between the last marker probe
+ * unregistration and the end of module exit to make sure there is no caller
+ * executing a probe when it is freed.
+ */
+#define marker_synchronize_unregister() synchronize_sched()
+
 #endif