Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\tick-broadcast.c Create Date:2022-07-28 10:50:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:tick_resume_broadcast

Proto:void tick_resume_broadcast(void)

Type:void

Parameter:Nothing

502  raw_spin_lock_irqsave( & tick_broadcast_lock, flags)
504  bc = evtdev
506  If bc Then
507  lockevents_tick_resume - Resume the tick device before using it again*@dev: device to resume
510  Case mode == TICKDEV_MODE_PERIODIC
511  If Not pumask_empty - *srcp == 0*@srcp: the cpumask to that all cpus < nr_cpu_ids are clear. Then Start the device in periodic mode
513  Break
514  Case mode == TICKDEV_MODE_ONESHOT
515  If Not pumask_empty - *srcp == 0*@srcp: the cpumask to that all cpus < nr_cpu_ids are clear. Then tick_resume_broadcast_oneshot(bc)
517  Break
520  raw_spin_unlock_irqrestore( & tick_broadcast_lock, flags)
Caller
NameDescribe
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.