函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\arraymap.c Create Date:2022-07-27 14:28:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:prog_array_map_poke_untrack

函数原型:static void prog_array_map_poke_untrack(struct bpf_map *map, struct bpf_prog_aux *prog_aux)

返回类型:void

参数:

类型参数名称
struct bpf_map *map
struct bpf_prog_aux *prog_aux
733  aux = ({
733  __mptr等于map
733  循环
733  当0循环
733  __mptr__builtin_offsetof(structbpf_array, map)
733  })->aux
734  mutex_lock( & poke_mutex)
736  如果aux恒等于prog_aux
737  删除链表项并重新初始化
738  kfree(elem)
739  退出
742  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.