Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\rwsem.c Create Date:2022-07-28 09:48:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:downgrade write lock to read lock

Proto:void downgrade_write(struct rw_semaphore *sem)

Type:void

Parameter:

TypeParameterName
struct rw_semaphore *sem
1596  lock_downgrade( & dep_map, _RET_IP_)
1597  downgrade write lock to read lock