netdev - Re: [PATCH 06/18] bpf: Add bpf_ksym

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Message-ID: <CAPhsuW5OUKMhCqh8qRq4dC5dgeb56b4LbbODVGwo6R0woV3fTg@mail.gmail.com>
Date:   Wed, 26 Feb 2020 15:10:08 -0800
From:   Song Liu <song@...nel.org>
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>,
        Andrii Nakryiko <andriin@...com>, Yonghong Song <yhs@...com>,
        Song Liu <songliubraving@...com>,
        Martin KaFai Lau <kafai@...com>,
        Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...hat.com>,
        Björn Töpel <bjorn.topel@...el.com>,
        John Fastabend <john.fastabend@...il.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 06/18] bpf: Add bpf_ksym_tree tree

On Wed, Feb 26, 2020 at 5:04 AM Jiri Olsa <jolsa@...nel.org> wrote:
>
> The bpf_tree is used both for kallsyms iterations and searching
> for exception tables of bpf programs, which is needed only for
> bpf programs.
>
> Adding bpf_ksym_tree that will hold symbols for all bpf_prog
> bpf_trampoline and bpf_dispatcher objects and keeping bpf_tree
> only for bpf_prog objects to keep it fast.
>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

Acked-by: Song Liu <songliubraving@...com>