18 lines
548 B
C
18 lines
548 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _PVCLOCK_GTOD_H
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#define _PVCLOCK_GTOD_H
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#include <linux/notifier.h>
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/*
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* The pvclock gtod notifier is called when the system time is updated
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* and is used to keep guest time synchronized with host time.
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*
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* The 'action' parameter in the notifier function is false (0), or
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* true (non-zero) if system time was stepped.
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*/
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extern int pvclock_gtod_register_notifier(struct notifier_block *nb);
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extern int pvclock_gtod_unregister_notifier(struct notifier_block *nb);
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#endif /* _PVCLOCK_GTOD_H */
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