X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Flinux%2Fcompat%2Finclude%2Flinux%2Fgenetlink.h;h=8b894be38ceadcbdcc0e88f903b252feea36f8a1;hb=699fec8cc02d2e2a367e64e89f5c64b902d3555a;hp=e45d08546ef66186b68dd407a0aa69a2449489de;hpb=22bcc0e70becd88bf895c44885d63704affe4284;p=openvswitch

diff --git a/datapath/linux/compat/include/linux/genetlink.h b/datapath/linux/compat/include/linux/genetlink.h
index e45d0854..8b894be3 100644
--- a/datapath/linux/compat/include/linux/genetlink.h
+++ b/datapath/linux/compat/include/linux/genetlink.h
@@ -1,15 +1,23 @@
 #ifndef __GENETLINK_WRAPPER_H
 #define __GENETLINK_WRAPPER_H 1
 
+#include <linux/version.h>
 #include_next <linux/genetlink.h>
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
 #ifdef CONFIG_PROVE_LOCKING
-/* No version of the kernel has this function, but our locking scheme depends
- * on genl_mutex so for clarity we use it where appropriate. */
 static inline int lockdep_genl_is_held(void)
 {
 	return 1;
 }
 #endif
+#endif
+
+#ifndef genl_dereference
+#include <linux/rcupdate.h>
+
+#define genl_dereference(p)					\
+	rcu_dereference_protected(p, lockdep_genl_is_held())
+#endif
 
 #endif /* linux/genetlink.h wrapper */