[linux-2.6-block.git] / include / linux / pvclock_gtod.h

#ifndef _PVCLOCK_GTOD_H
#define _PVCLOCK_GTOD_H

#include <linux/notifier.h>

/*
 * The pvclock gtod notifier is called when the system time is updated
 * and is used to keep guest time synchronized with host time.
 *
 * The 'action' parameter in the notifier function is false (0), or
 * true (non-zero) if system time was stepped.
 */
extern int pvclock_gtod_register_notifier(struct notifier_block *nb);
extern int pvclock_gtod_unregister_notifier(struct notifier_block *nb);

#endif /* _PVCLOCK_GTOD_H */
Commit	Line	Data
e0b306fe MT	1	#ifndef _PVCLOCK_GTOD_H
	2	#define _PVCLOCK_GTOD_H
	3
	4	#include <linux/notifier.h>
	5
780427f0 DV	6	/*
	7	* The pvclock gtod notifier is called when the system time is updated
	8	* and is used to keep guest time synchronized with host time.
	9	*
	10	* The 'action' parameter in the notifier function is false (0), or
	11	* true (non-zero) if system time was stepped.
	12	*/
e0b306fe MT	13	extern int pvclock_gtod_register_notifier(struct notifier_block *nb);
	14	extern int pvclock_gtod_unregister_notifier(struct notifier_block *nb);
	15
	16	#endif /* _PVCLOCK_GTOD_H */