Apply preempt_rt patch-4.9-rt1.patch.xz

[zynq/linux.git] / include / linux / rwlock_types.h

diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h
index cc0072e93e360722f40a19928c001a1feab272bb..5317cd957292758125e7bb8404772830037b9538 100644 (file)
--- a/include/linux/rwlock_types.h
+++ b/include/linux/rwlock_types.h
@@ -1,6 +1,10 @@
 #ifndef __LINUX_RWLOCK_TYPES_H
 #define __LINUX_RWLOCK_TYPES_H
 
+#if !defined(__LINUX_SPINLOCK_TYPES_H)
+# error "Do not include directly, include spinlock_types.h"
+#endif
+
 /*
  * include/linux/rwlock_types.h - generic rwlock type definitions
  *                               and initializers