函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\rcupdate.h Create Date:2022-07-27 06:39:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：_read_lock_bh() - mark the beginning of an RCU-bh critical section* This is equivalent of rcu_read_lock(), but also disables softirqs

函数原型：static inline void rcu_read_lock_bh(void)

返回类型：void

参数：无

688  local_bh_disable()
689  __acquire(RCU_BH)
690  rcu_lock_acquire( & rcu_bh_lock_map)
691  RCU_LOCKDEP_WARN(!_is_watching - see if RCU thinks that the current CPU is not idle* Return true if RCU is watching the running CPU, which means that this* CPU can safely enter RCU read-side critical sections, "rcu_read_lock_bh() used illegally while idle")
调用者
名称描述
rcutorture_one_extendDo one extension of an RCU read-side critical section using the* current reader state in readstate (set to zero for initial entry* to extended critical section), set the new state as specified by* newstate (set to zero for final exit from extended
padata_do_parallelpadata_do_parallel - padata parallelization function*@ps: padatashell*@padata: object to be parallelized*@cb_cpu: pointer to the CPU that the serialization callback function should* run on. If it's not in the serial cpumask of @pinst* (i
__ipv6_neigh_lookup
__ipv6_confirm_neigh
__ipv6_confirm_neigh_stub
__ipv4_neigh_lookup
__ipv4_confirm_neigh