Re: [PATCH v2 bpf-next 00/14] bpf: Support calling kernel function

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On Sat, Mar 27, 2021 at 2:25 PM Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
>
> Hi,
>
> On Wed, Mar 24, 2021 at 8:40 PM Martin KaFai Lau <kafai@xxxxxx> wrote:
> > Martin KaFai Lau (14):
> >   bpf: Simplify freeing logic in linfo and jited_linfo
> >   bpf: Refactor btf_check_func_arg_match
> >   bpf: Support bpf program calling kernel function
> >   bpf: Support kernel function call in x86-32
> >   tcp: Rename bictcp function prefix to cubictcp
> >   bpf: tcp: Put some tcp cong functions in allowlist for bpf-tcp-cc
>
> I got the following link error which is likely caused by one of your
> patches in this series.
>
> FAILED unresolved symbol cubictcp_state
> make: *** [Makefile:1199: vmlinux] Error 255

I don't see it and bpf CI doesn't see it either.
Without steps to reproduce your observation isn't helpful.



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