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Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64

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Current File : //usr/src/linux-headers-5.15.0-127/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 */