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bpf: Consolidate task_struct BTF_ID declarations

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No need to have it defined 5 times. Once is enough.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/6dcefa5bed26fe1226f26683f36819bb53ec19a2.1629772842.git.dxu@dxuuu.xyz
This commit is contained in:
Daniel Xu 2021-08-23 19:43:47 -07:00 • committed by Alexei Starovoitov
parent 1b07d00a15
commit 33c5cb3601
5 changed files with 12 additions and 15 deletions
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4
kernel/trace/bpf_trace.c
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@ -714,13 +714,13 @@ BPF_CALL_0(bpf_get_current_task_btf)
return (unsigned long) current;
}
BTF_ID_LIST_SINGLE(bpf_get_current_btf_ids, struct, task_struct)
BTF_ID_LIST_GLOBAL_SINGLE(btf_task_struct_ids, struct, task_struct)
static const struct bpf_func_proto bpf_get_current_task_btf_proto = {
.func = bpf_get_current_task_btf,
.gpl_only = true,
.ret_type = RET_PTR_TO_BTF_ID,
.ret_btf_id = &bpf_get_current_btf_ids[0],
.ret_btf_id = &btf_task_struct_ids[0],
};
BPF_CALL_2(bpf_current_task_under_cgroup, struct bpf_map *, map, u32, idx)