bpf: Change btf_iter func proto prefix to "bpf_iter_"
This is to be consistent with tracing and lsm programs which have prefix "bpf_trace_" and "bpf_lsm_" respectively. Suggested-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200513180216.2949387-1-yhs@fb.com
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@ -1131,10 +1131,10 @@ struct bpf_link *bpf_link_get_from_fd(u32 ufd);
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int bpf_obj_pin_user(u32 ufd, const char __user *pathname);
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int bpf_obj_get_user(const char __user *pathname, int flags);
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#define BPF_ITER_FUNC_PREFIX "__bpf_iter__"
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#define BPF_ITER_FUNC_PREFIX "bpf_iter_"
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#define DEFINE_BPF_ITER_FUNC(target, args...) \
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extern int __bpf_iter__ ## target(args); \
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int __init __bpf_iter__ ## target(args) { return 0; }
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extern int bpf_iter_ ## target(args); \
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int __init bpf_iter_ ## target(args) { return 0; }
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typedef int (*bpf_iter_init_seq_priv_t)(void *private_data);
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typedef void (*bpf_iter_fini_seq_priv_t)(void *private_data);
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@ -6919,7 +6919,7 @@ invalid_prog:
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#define BTF_TRACE_PREFIX "btf_trace_"
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#define BTF_LSM_PREFIX "bpf_lsm_"
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#define BTF_ITER_PREFIX "__bpf_iter__"
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#define BTF_ITER_PREFIX "bpf_iter_"
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#define BTF_MAX_NAME_SIZE 128
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static int find_btf_by_prefix_kind(const struct btf *btf, const char *prefix,
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