1 #ifndef __LINUX_SMPLOCK_H
2 #define __LINUX_SMPLOCK_H
3 
4 #include <linux/config.h>
5 
6 #ifndef CONFIG_SMP
7 
8 #define lock_kernel()				do { } while(0)
9 #define unlock_kernel()				do { } while(0)
10 #define release_kernel_lock(task, cpu)		do { } while(0)
11 #define reacquire_kernel_lock(task)		do { } while(0)
12 #define kernel_locked() 1
13 
14 #else
15 
16 #include <asm/smplock.h>
17 
18 #endif /* CONFIG_SMP */
19 
20 #endif
21