tools/lib/lockdep: Fix compilation for 4.11

- More rcu stubs
 - New dummy headers due to sched header split
 - jhash2 included in due to kernel lockdep inclusion and usage

Signed-off-by: Sasha Levin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

tools/lib/lockdep/uinclude/linux/bitops.h

@@ -1,3 +0,0 @@
-
-/* empty file */
-

tools/lib/lockdep/uinclude/linux/compiler.h

@@ -7,4 +7,6 @@
 #define WRITE_ONCE(x, val) x=(val)
 #define RCU_INIT_POINTER(p, v) p=(v)
 
+#define __packed	__attribute__((packed))
+
 #endif

tools/lib/lockdep/uinclude/linux/kernel.h

@@ -52,4 +52,6 @@ static inline int lockdep_warn(int condition)
 #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
 #endif
 
+#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+
 #endif

tools/lib/lockdep/uinclude/linux/rcu.h

@@ -18,4 +18,6 @@ static inline bool rcu_is_watching(void)
 	return false;
 }
 
+#define rcu_assign_pointer(p, v) ((p) = (v))
+
 #endif