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

/* SPDX-License-Identifier: GPL-2.0 */
#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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
e0b306fe MT	2	#ifndef _PVCLOCK_GTOD_H
	3	#define _PVCLOCK_GTOD_H
	4
	5	#include <linux/notifier.h>
	6
780427f0 DV	7	/*
	8	* The pvclock gtod notifier is called when the system time is updated
	9	* and is used to keep guest time synchronized with host time.
	10	*
	11	* The 'action' parameter in the notifier function is false (0), or
	12	* true (non-zero) if system time was stepped.
	13	*/
e0b306fe MT	14	extern int pvclock_gtod_register_notifier(struct notifier_block *nb);
	15	extern int pvclock_gtod_unregister_notifier(struct notifier_block *nb);
	16
	17	#endif /* _PVCLOCK_GTOD_H */