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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _KERNEL_TIME_TIMEKEEPING_H
- #define _KERNEL_TIME_TIMEKEEPING_H
- /*
- * Internal interfaces for kernel/time/
- */
- extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq,
- ktime_t *offs_real,
- ktime_t *offs_boot,
- ktime_t *offs_tai);
- extern int timekeeping_valid_for_hres(void);
- extern u64 timekeeping_max_deferment(void);
- extern int timekeeping_inject_offset(struct timespec *ts);
- extern int timekeeping_suspend(void);
- extern void timekeeping_resume(void);
- #ifdef CONFIG_GENERIC_SCHED_CLOCK
- extern int sched_clock_suspend(void);
- extern void sched_clock_resume(void);
- #else
- static inline int sched_clock_suspend(void) { return 0; }
- static inline void sched_clock_resume(void) { }
- #endif
- extern void do_timer(unsigned long ticks);
- extern void update_wall_time(void);
- extern seqlock_t jiffies_lock;
- #define CS_NAME_LEN 32
- #endif
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