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kernel/linux-rt-4.4.41/arch/m32r/include/asm/barrier.h 506 Bytes
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  /*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2001  Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
   * Copyright (C) 2004, 2006  Hirokazu Takata <takata at linux-m32r.org>
   */
  #ifndef _ASM_M32R_BARRIER_H
  #define _ASM_M32R_BARRIER_H
  
  #define nop()  __asm__ __volatile__ ("nop" : : )
  
  #include <asm-generic/barrier.h>
  
  #endif /* _ASM_M32R_BARRIER_H */