1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _KERNEL_TIME_TIMEKEEPING_H 2 #ifndef _KERNEL_TIME_TIMEKEEPING_H 3 #define _KERNEL_TIME_TIMEKEEPING_H 3 #define _KERNEL_TIME_TIMEKEEPING_H 4 /* 4 /* 5 * Internal interfaces for kernel/time/ 5 * Internal interfaces for kernel/time/ 6 */ 6 */ 7 extern ktime_t ktime_get_update_offsets_now(un 7 extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, 8 kt 8 ktime_t *offs_real, 9 kt 9 ktime_t *offs_boot, 10 kt 10 ktime_t *offs_tai); 11 11 12 extern int timekeeping_valid_for_hres(void); 12 extern int timekeeping_valid_for_hres(void); 13 extern u64 timekeeping_max_deferment(void); 13 extern u64 timekeeping_max_deferment(void); 14 extern void timekeeping_warp_clock(void); 14 extern void timekeeping_warp_clock(void); 15 extern int timekeeping_suspend(void); 15 extern int timekeeping_suspend(void); 16 extern void timekeeping_resume(void); 16 extern void timekeeping_resume(void); 17 #ifdef CONFIG_GENERIC_SCHED_CLOCK 17 #ifdef CONFIG_GENERIC_SCHED_CLOCK 18 extern int sched_clock_suspend(void); 18 extern int sched_clock_suspend(void); 19 extern void sched_clock_resume(void); 19 extern void sched_clock_resume(void); 20 #else 20 #else 21 static inline int sched_clock_suspend(void) { 21 static inline int sched_clock_suspend(void) { return 0; } 22 static inline void sched_clock_resume(void) { 22 static inline void sched_clock_resume(void) { } 23 #endif 23 #endif 24 24 25 extern void update_process_times(int user); << 26 extern void do_timer(unsigned long ticks); 25 extern void do_timer(unsigned long ticks); 27 extern void update_wall_time(void); 26 extern void update_wall_time(void); 28 27 29 extern raw_spinlock_t jiffies_lock; 28 extern raw_spinlock_t jiffies_lock; 30 extern seqcount_raw_spinlock_t jiffies_seq; !! 29 extern seqcount_t jiffies_seq; 31 30 32 #define CS_NAME_LEN 32 31 #define CS_NAME_LEN 32 33 32 34 #endif 33 #endif 35 34
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