| /* 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 */ |
