netdev - Re: [PATCH bpf-next 3/3] bpftool: add gen subcommand manpage

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Date:   Tue, 17 Dec 2019 14:54:49 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     Andrii Nakryiko <andriin@...com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH bpf-next 3/3] bpftool: add gen subcommand manpage

On Tue, Dec 17, 2019 at 1:27 PM Yonghong Song <yhs@...com> wrote:
>
>
>
> On 12/16/19 9:36 PM, Andrii Nakryiko wrote:
> > Add bpftool-gen.rst describing skeleton on the high level. Also include
> > a small, but complete, example BPF app (BPF side, userspace side, generated
> > skeleton) in example section to demonstrate skeleton API and its usage.
> >
> > Signed-off-by: Andrii Nakryiko <andriin@...com>
>
> When applying the patch locally (git apply <>), I see below:
> -bash-4.4$ git apply ~/p3.txt
> /home/yhs/p3.txt:183: trailing whitespace.
>
> /home/yhs/p3.txt:187: trailing whitespace.
>
> /home/yhs/p3.txt:189: space before tab in indent.
>          __uint(type, BPF_MAP_TYPE_HASH);
> /home/yhs/p3.txt:190: space before tab in indent.
>          __uint(max_entries, 128);
> /home/yhs/p3.txt:191: space before tab in indent.
>          __type(key, int);
> warning: squelched 77 whitespace errors
> warning: 82 lines add whitespace errors.
> -bash-4.4$
>
> space before tab might be fine since it is an code in the example file.
> But tailing whitespaces probably should be fixed.

I assumed that indentation in ReST's literal block has to be specified
for all lines, including the empty ones. But seems like
bpftool-btf.rst doesn't do that, and playing with some online editors
indicates it's not necessary to indent empty lines to preserve all the
code as single code block, so I'm going to remove them.

>
> With the above in mind,
>
> Acked-by: Yonghong Song <yhs@...com>