1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h
index 27b1bcffe408..37dc35658a1b 100644
--- a/include/linux/bottom_half.h
+++ b/include/linux/bottom_half.h
@@ -1,9 +1,17 @@
 #ifndef _LINUX_BH_H
 #define _LINUX_BH_H
 
+#ifdef CONFIG_PREEMPT_HARDIRQS
+# define local_bh_disable()             do { } while (0)
+# define __local_bh_disable(ip)         do { } while (0)
+# define _local_bh_enable()             do { } while (0)
+# define local_bh_enable()              do { } while (0)
+# define local_bh_enable_ip(ip)         do { } while (0)
+#else
 extern void local_bh_disable(void);
 extern void _local_bh_enable(void);
 extern void local_bh_enable(void);
 extern void local_bh_enable_ip(unsigned long ip);
+#endif
 
 #endif /* _LINUX_BH_H */