netdev - Re: [PATCH v4 bpf-next 04/14] bpf: Resolve BTF IDs in vmlinux image

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Message-ID: <CAEf4BzaDYBq34PLpFd_+Zdk1PpKg-jsRw3Xs_QQ4XN4hMDphBQ@mail.gmail.com>
Date:   Fri, 26 Jun 2020 14:34:55 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Martin KaFai Lau <kafai@...com>,
        David Miller <davem@...hat.com>,
        John Fastabend <john.fastabend@...il.com>,
        Wenbo Zhang <ethercflow@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Andrii Nakryiko <andriin@...com>,
        Brendan Gregg <bgregg@...flix.com>,
        Florent Revest <revest@...omium.org>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v4 bpf-next 04/14] bpf: Resolve BTF IDs in vmlinux image

On Thu, Jun 25, 2020 at 4:48 PM Jiri Olsa <jolsa@...nel.org> wrote:
>
> Using BTF_ID_LIST macro to define lists for several helpers
> using BTF arguments.
>
> And running resolve_btfids on vmlinux elf object during linking,
> so the .BTF_ids section gets the IDs resolved.
>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  Makefile                 | 3 ++-
>  kernel/trace/bpf_trace.c | 9 +++++++--
>  net/core/filter.c        | 9 +++++++--
>  scripts/link-vmlinux.sh  | 6 ++++++
>  4 files changed, 22 insertions(+), 5 deletions(-)

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