函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\xskmap.c Create Date:2022-07-27 14:42:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：xsk_map_lookup_elem

函数原型：static void *xsk_map_lookup_elem(struct bpf_map *map, void *key)

返回类型：void

参数：

类型参数名称
struct bpf_map *map
void *key
163  WARN_ON_ONCE(!_read_lock_held() - might we be in RCU read-side critical section?* If CONFIG_DEBUG_LOCK_ALLOC is selected, returns nonzero iff in an RCU* read-side critical section)
164  返回:__xsk_map_lookup_elem(map, * (u32 * )key)