root/include/asm-generic/spinlock.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_GENERIC_SPINLOCK_H
   3 #define __ASM_GENERIC_SPINLOCK_H
   4 /*
   5  * You need to implement asm/spinlock.h for SMP support. The generic
   6  * version does not handle SMP.
   7  */
   8 #ifdef CONFIG_SMP
   9 #error need an architecture specific asm/spinlock.h
  10 #endif
  11 
  12 #endif /* __ASM_GENERIC_SPINLOCK_H */
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