函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\spinlock_debug.c Create Date:2022-07-27 10:53:23
Last Modify:2020-03-17 14:41:09 Copyright©Brick
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函数名称：__rwlock_init

函数原型：void __rwlock_init(rwlock_t *lock, const char *name, struct lock_class_key *key)

返回类型：void

参数：

类型参数名称
rwlock_t *lock
const char *name
struct lock_class_key *key
41  Called when kernel memory is freed (or unmapped), or if a lock* is destroyed or reinitialized - this code checks whether there is* any held lock in the memory range of to :
42  Initialize a lock instance's lock-class mapping info:
44  raw_lock = (arch_rwlock_t)
45  magic等于RWLOCK_MAGIC
46  owner等于SPINLOCK_OWNER_INIT
47  owner_cpu等于负1