Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-28 10:26:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Helper function for swait_event_idle_exclusive() wakeup at force-quiescent-state* time.

Proto:static bool rcu_gp_fqs_check_wake(int *gfp)

Type:bool

Parameter:

TypeParameterName
int *gfp
1599  rnp = Return the root node of the rcu_state structure.
1602  gfp = READ_ONCE(Commands for GP task. )
1603  If gfp & Need grace-period quiescent-state forcing. Then Return true
1607  If Not READ_ONCE(CPUs or groups that need to switch in ) && Not rcu_preempt_blocked_readers_cgp(rnp) Then Return true
1610  Return false
Caller
NameDescribe
rcu_gp_fqs_loopLoop doing repeated quiescent-state forcing until the grace period ends.