53383f63e5
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so it can be taken in atomic context on RT. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
27 lines
714 B
C
27 lines
714 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _KERNEL_TIME_TIMEKEEPING_H
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#define _KERNEL_TIME_TIMEKEEPING_H
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/*
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* Internal interfaces for kernel/time/
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*/
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extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq,
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ktime_t *offs_real,
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ktime_t *offs_boot,
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ktime_t *offs_tai);
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extern int timekeeping_valid_for_hres(void);
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extern u64 timekeeping_max_deferment(void);
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extern int timekeeping_inject_offset(struct timespec *ts);
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extern int timekeeping_suspend(void);
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extern void timekeeping_resume(void);
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extern void do_timer(unsigned long ticks);
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extern void update_wall_time(void);
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extern raw_spinlock_t jiffies_lock;
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extern seqcount_t jiffies_seq;
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#define CS_NAME_LEN 32
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#endif
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