[linux-2.6-block.git] / include / asm-x86_64 / rwlock.h

/* include/asm-x86_64/rwlock.h
 *
 *	Helpers used by both rw spinlocks and rw semaphores.
 *
 *	Based in part on code from semaphore.h and
 *	spinlock.h Copyright 1996 Linus Torvalds.
 *
 *	Copyright 1999 Red Hat, Inc.
 *	Copyright 2001,2002 SuSE labs 
 *
 *	Written by Benjamin LaHaise.
 *
 *	This program is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU General Public License
 *	as published by the Free Software Foundation; either version
 *	2 of the License, or (at your option) any later version.
 */
#ifndef _ASM_X86_64_RWLOCK_H
#define _ASM_X86_64_RWLOCK_H

#define RW_LOCK_BIAS		 0x01000000
#define RW_LOCK_BIAS_STR	 "0x01000000"

/* Actual code is in asm/spinlock.h or in arch/x86_64/lib/rwlock.S */

#endif
Commit	Line	Data
1da177e4 LT	1	/* include/asm-x86_64/rwlock.h
	2	*
	3	* Helpers used by both rw spinlocks and rw semaphores.
	4	*
	5	* Based in part on code from semaphore.h and
	6	* spinlock.h Copyright 1996 Linus Torvalds.
	7	*
	8	* Copyright 1999 Red Hat, Inc.
	9	* Copyright 2001,2002 SuSE labs
	10	*
	11	* Written by Benjamin LaHaise.
	12	*
	13	* This program is free software; you can redistribute it and/or
	14	* modify it under the terms of the GNU General Public License
	15	* as published by the Free Software Foundation; either version
	16	* 2 of the License, or (at your option) any later version.
	17	*/
	18	#ifndef _ASM_X86_64_RWLOCK_H
	19	#define _ASM_X86_64_RWLOCK_H
	20
1da177e4	21	#define RW_LOCK_BIAS 0x01000000
9a0b26e6	22	#define RW_LOCK_BIAS_STR "0x01000000"
1da177e4	23
8b059d23	24	/* Actual code is in asm/spinlock.h or in arch/x86_64/lib/rwlock.S */
1da177e4 LT	25
1da177e4 LT	26	#endif