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v0.5.2
https://github.com/torvalds/linux
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Tip revision: 29594404d7fe73cd80eaa4ee8c43dcc53970c60e authored by Linus Torvalds on 11 December 2012, 03:30:57 UTC
Linux 3.7
Tip revision: 2959440
wbflush.h
/*
 * 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 */
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