函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\hrtimer.c Create Date:2022-07-27 11:40:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：hrtimer_update_softirq_timer

函数原型：static void hrtimer_update_softirq_timer(struct hrtimer_cpu_base *cpu_base, bool reprogram)

返回类型：void

参数：

类型参数名称
struct hrtimer_cpu_base *cpu_base
boolreprogram
1067  expires等于Recomputes cpu_base::*next_timer and returns the earliest expires_next but* does not set cpu_base::*expires_next, that is done by hrtimer_reprogram
1074  如果expires恒等于KTIME_MAX则返回
1081  When a timer is enqueued and expires earlier than the already enqueued* timers, we have to check, whether it expires earlier than the timer for* which the clock event device was armed.* Called with interrupts disabled and base->cpu_base.lock held
调用者
名称描述
hrtimer_run_softirq