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-rw-r--r--include/linux/smp_lock.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index 2ea1dd1ba21..291f721144c 100644
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -54,12 +54,15 @@ static inline void cycle_kernel_lock(void)
#else
+#ifdef CONFIG_BKL /* provoke build bug if not set */
#define lock_kernel()
#define unlock_kernel()
-#define release_kernel_lock(task) do { } while(0)
#define cycle_kernel_lock() do { } while(0)
-#define reacquire_kernel_lock(task) 0
#define kernel_locked() 1
+#endif /* CONFIG_BKL */
+
+#define release_kernel_lock(task) do { } while(0)
+#define reacquire_kernel_lock(task) 0
#endif /* CONFIG_LOCK_KERNEL */
#endif /* __LINUX_SMPLOCK_H */