[mirror_ubuntu-zesty-kernel.git] / arch / x86 / include / asm / qrwlock.h

#ifndef _ASM_X86_QRWLOCK_H
#define _ASM_X86_QRWLOCK_H

#include <asm-generic/qrwlock_types.h>

#ifndef CONFIG_X86_PPRO_FENCE
#define queue_write_unlock queue_write_unlock
static inline void queue_write_unlock(struct qrwlock *lock)
{
        barrier();
        ACCESS_ONCE(*(u8 *)&lock->cnts) = 0;
}
#endif

#include <asm-generic/qrwlock.h>

#endif /* _ASM_X86_QRWLOCK_H */
Commit	Line	Data
bd01ec1a WL	1	#ifndef _ASM_X86_QRWLOCK_H
	2	#define _ASM_X86_QRWLOCK_H
	3
	4	#include <asm-generic/qrwlock_types.h>
	5
4f3aaf2c	6	#ifndef CONFIG_X86_PPRO_FENCE
bd01ec1a WL	7	#define queue_write_unlock queue_write_unlock
	8	static inline void queue_write_unlock(struct qrwlock *lock)
	9	{
	10	barrier();
	11	ACCESS_ONCE((u8 )&lock->cnts) = 0;
	12	}
	13	#endif
	14
	15	#include <asm-generic/qrwlock.h>
	16
	17	#endif /* _ASM_X86_QRWLOCK_H */