函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\tick-common.c Create Date:2022-07-27 11:50:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：k_resume_local - Resume the local tick device* Called from the local CPU for unfreeze or XEN resume magic.* No locks required. Nothing can change the per cpu device.

函数原型：void tick_resume_local(void)

返回类型：void

参数：无

469  td等于this_cpu_ptr( & Tick devices)
470  broadcast等于This is called from tick_resume_local() on a resuming CPU. That's* called from the core resume function, tick_unfreeze() and the magic XEN* resume hackery.* In none of these cases the broadcast device mode can change and the
472  lockevents_tick_resume - Resume the tick device before using it again*@dev: device to resume
473  如果非broadcast则
474  如果mode恒等于TICKDEV_MODE_PERIODIC则Setup the device for a periodic tick
476  否则k_resume_onshot - resume oneshot mode
调用者
名称描述
tick_resumek_resume - Resume the tick and the broadcast device* Called from syscore_resume() via timekeeping_resume with only one* CPU online and interrupts disabled.* No locks required. Nothing can change the per cpu device.