Current File : //lib/modules/3.10.0-957.21.3.el7.centos.plus.x86_64/source/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 */
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