LXR linux/include/asm-generic/spinlock.h

   1#ifndef __ASM_GENERIC_SPINLOCK_H
   2#define __ASM_GENERIC_SPINLOCK_H
   3/*
   4 * You need to implement asm/spinlock.h for SMP support. The generic
   5 * version does not handle SMP.
   6 */
   7#ifdef CONFIG_SMP
   8#error need an architecture specific asm/spinlock.h
   9#endif
  10
  11#endif /* __ASM_GENERIC_SPINLOCK_H */
  12