AcoSail/kernel_optimize_test
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btf: Make btf_set_contains take a const pointer

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bsearch doesn't modify the contents of the array, so we can take a const pointer.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200921121227.255763-2-lmb@cloudflare.com
This commit is contained in:
Lorenz Bauer 2020-09-21 13:12:17 +01:00 committed by Alexei Starovoitov
parent 31f23a6a18
commit 2af30f115d
2 changed files with 2 additions and 2 deletions
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2
include/linux/bpf.h
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@ -1905,6 +1905,6 @@ int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
void *addr1, void *addr2);
struct btf_id_set;
bool btf_id_set_contains(struct btf_id_set *set, u32 id);
bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
#endif /* _LINUX_BPF_H */

2
kernel/bpf/btf.c
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@ -4772,7 +4772,7 @@ static int btf_id_cmp_func(const void *a, const void *b)
return *pa - *pb;
}
bool btf_id_set_contains(struct btf_id_set *set, u32 id)
bool btf_id_set_contains(const struct btf_id_set *set, u32 id)
{
return bsearch(&id, set->ids, set->cnt, sizeof(u32), btf_id_cmp_func) != NULL;
}