Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\timekeeping.c Create Date:2022-07-28 10:43:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:xtime_update() - advances the timekeeping infrastructure*@ticks: number of ticks, that have elapsed since the last call.* Must be called with interrupts disabled.

Proto:void xtime_update(unsigned long ticks)

Type:void

Parameter:

TypeParameterName
unsigned longticks
2400  Lock out other writers and update the count.* Acts like a normal spin_lock/unlock.* Don't need preempt_disable() because that is in the spin_lock already.
2401  Must hold jiffies_lock
2402  write_sequnlock( & jiffies_lock)
2403  pdate_wall_time - Uses the current clocksource to increment the wall time