linux-kernel - Re: [PATCH bpf-next] bpf, doc: use internal linking for link to netdev FAQ

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Date:   Mon, 13 Mar 2023 11:42:42 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     David Vernet <void@...ifault.com>
Cc:     Linux BPF <bpf@...r.kernel.org>,
        Linux Documentation <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        "David S. Miller" <davem@...emloft.net>,
        "Tobin C. Harding" <me@...in.cc>
Subject: Re: [PATCH bpf-next] bpf, doc: use internal linking for link to
 netdev FAQ

On 3/13/23 11:20, Bagas Sanjaya wrote:
> On Sun, Mar 12, 2023 at 10:09:38PM -0500, David Vernet wrote:
>> This regresses all of the warnings I fixed in d56b0c461d19da ("bpf,
>> docs: Fix link to netdev-FAQ target"):
>>
>> [void@...iforge bpf-next]$ make -j SPHINXDIRS="bpf" htmldocs
>> make[2]: Nothing to be done for 'html'.
>> Using alabaster theme
>> source directory: bpf
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:125: WARNING: unknown document: '/process/maintainer-netdev'
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:150: WARNING: unknown document: '/process/maintainer-netdev'
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:207: WARNING: unknown document: '/process/maintainer-netdev'
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:232: WARNING: unknown document: '/process/maintainer-netdev'
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:398: WARNING: unknown document: '/process/maintainer-netdev'
>> /home/void/upstream/bpf-next/Documentation/bpf/bpf_devel_QA.rst:414: WARNING: unknown document: '/process/maintainer-netdev'
>>
>> And it also causes the netdev-FAQ links to once again be broken and not
>> actually point to anything.
> 
> Hi,
> 
> I don't see these warnings in my builds. I'm using Sphinx 2.4.4
> (virtualenv, install with pip3 install -r
> Documentation/sphinx/requirements.txt). I guess your Sphinx version
> doesn't support :doc: directive.
> 
> Also, did you enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS,
> and CONFIG_WARN_ABI_ERRORS?
> 
> Thanks.
> 

Oops, I didn't see the context.

When I rebuild the docs, I always omit SPHINXDIRS as you mentioned.
For :doc: links to work, you need to just do ``make htmldocs`` and
DO NOT specify that variable.

Anyway, these warnings make sense since the target is absolute
(rather than relative).

Thanks.

-- 
An old man doll... just what I always wanted! - Clara