Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\percpu-rwsem.c Create Date:2022-07-28 09:48:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__percpu_up_read

Proto:void __percpu_up_read(struct percpu_rw_semaphore *sem)

Type:void

Parameter:

TypeParameterName
struct percpu_rw_semaphore *sem
99  smp_mb()
105  __this_cpu_dec( * read_count)
108  rcuwait_wake_up( & blocked writer )
Caller
NameDescribe
__percpu_down_read