Re: [PATCH bpf-next v1 1/3] bpf: Change bpf_kallsyms_lookup_name size type to ARG_CONST_SIZE_OR_ZERO
From: Song Liu <song@kernel.org>
Date: 2021-11-27 00:25:54
On Mon, Nov 22, 2021 at 3:57 PM Kumar Kartikeya Dwivedi [off-list ref] wrote:
Andrii mentioned in [0] that switching to ARG_CONST_SIZE_OR_ZERO lets user avoid having to prove that string size at runtime is not zero and helps with not having to supress clang optimizations. [0]: https://lore.kernel.org/bpf/CAEf4BzZa_vhXB3c8atNcTS6=krQvC25H7K7c3WWZhM=27ro=Wg@mail.gmail.com (local) Suggested-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Song Liu <redacted>