Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree_exp.h Create Date:2022-07-28 10:28:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Request an expedited quiescent state.

Proto:static void rcu_exp_need_qs(void)

Type:void

Parameter:Nothing

702  __this_cpu_write(exp, true)
704  smp_store_release(this_cpu_ptr( & rcu_urgent_qs), true)
705  set_tsk_need_resched(current process)
706  We fold the NEED_RESCHED bit into the preempt count such that* preempt_enable() can decrement and test for needing to reschedule with a* single instruction.* We invert the actual bit, so that when the decrement hits 0 we know we both