#ifndef __LINUX_SMPLOCK_H #define __LINUX_SMPLOCK_H #ifndef __SMP__ #define lock_kernel() do { } while(0) #define unlock_kernel() do { } while(0) #define release_kernel_lock(task, cpu) do { } while(0) #define reacquire_kernel_lock(task) do { } while(0) #else #include #endif /* __SMP__ */ #endif