John Fastabend wrote: > Alexei Starovoitov wrote: > > From: Alexei Starovoitov <ast@xxxxxxxxxx> > > > > Add new helper: > > > > long bpf_btf_find_by_name_kind(u32 btf_fd, char *name, u32 kind, int flags) > > Description > > Find given name with given type in BTF pointed to by btf_fd. > > If btf_fd is zero look for the name in vmlinux BTF and in module's BTFs. > > Return > > Returns btf_id and btf_obj_fd in lower and upper 32 bits. > > > > Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> > > --- > > I'm missing some high-level concept on how this would be used? Where does btf_fd come > from and how is it used so that it doesn't break sig-check? aha as I look through this again it seems btf_fd can be from fd_array[] and sig-check will pan out as well as BTF can come from any valid file. Correct? If so lgtm at high-level.