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kernel/linux-rt-4.4.41/arch/mips/include/asm/wbflush.h 694 Bytes
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  /*
   * Header file for using the wbflush routine
   *
   * 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) 1998 Harald Koerfgen
   * Copyright (C) 2002 Maciej W. Rozycki
   */
  #ifndef _ASM_WBFLUSH_H
  #define _ASM_WBFLUSH_H
  
  
  #ifdef CONFIG_CPU_HAS_WB
  
  extern void (*__wbflush)(void);
  extern void wbflush_setup(void);
  
  #define wbflush()			\
  	do {				\
  		__sync();		\
  		__wbflush();		\
  	} while (0)
  
  #else /* !CONFIG_CPU_HAS_WB */
  
  #define wbflush_setup() do { } while (0)
  
  #define wbflush() fast_iob()
  
  #endif /* !CONFIG_CPU_HAS_WB */
  
  #endif /* _ASM_WBFLUSH_H */