Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\trampoline.c Create Date:2022-07-28 13:15:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:st time registering

Proto:static int register_fentry(struct bpf_trampoline *tr, void *new_addr)

Type:int

Parameter:

TypeParameterName
struct bpf_trampoline *tr
void *new_addr
102  ip = addr
105  ret = is_ftrace_location(ip)
106  If ret < 0 Then Return ret
108  ftrace_managed = ret
110  If ftrace_managed Then ret = register_ftrace_direct((long)ip, (long)new_addr)
112  Else ret = bpf_arch_text_poke(ip, BPF_MOD_CALL, NULL, new_addr)
114  Return ret
Caller
NameDescribe
bpf_trampoline_update