linux-kernel - [PATCH v2] Documentation: bpf: Fix link to BTF doc

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Message-Id: <20230222083530.26136-1-bagasdotme@gmail.com>
Date:   Wed, 22 Feb 2023 15:35:30 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Linux BPF <bpf@...r.kernel.org>,
        Linux Documentation <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     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>,
        Alan Maguire <alan.maguire@...cle.com>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Ross Zwisler <zwisler@...gle.com>
Subject: [PATCH v2] Documentation: bpf: Fix link to BTF doc

Ross reported broken link to BTF documentation
(Documentation/bpf/btf.rst) in Documentation/bpf/bpf_devel_QA.rst. The
link in question is written using external link syntax, with the target
refers to BTF doc in reST source (btf.rst), which doesn't exist in
resulting HTML output.

Fix the link by replacing external link syntax with simply writing out
the target doc, which the link will be generated to the correct HTML doc
target.

Link: https://lore.kernel.org/linux-doc/Y++09LKx25dtR4Ow@google.com/
Fixes: 6736aa793c2b5f ("selftests/bpf: Add general instructions for test execution")
Reported-by: Ross Zwisler <zwisler@...gle.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@...il.com>
---
Changes since v1 [1]:

  * Reword patch description (I don't see external link semantics on
    Sphinx documentation [2] when I submit v1).
  * Drop the corresponding orphan target definition.
  * Rebase on top of current bpf tree.

Ross, do you want to give a Reviewed-by or Acked-by?

[1]: https://lore.kernel.org/linux-doc/20230219030956.22662-1-bagasdotme@gmail.com/ 
[2]: https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#external-links

 Documentation/bpf/bpf_devel_QA.rst | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst
index 03d4993eda6f05..715f7321020f27 100644
--- a/Documentation/bpf/bpf_devel_QA.rst
+++ b/Documentation/bpf/bpf_devel_QA.rst
@@ -469,7 +469,7 @@ under test should match the config file fragment in
 tools/testing/selftests/bpf as closely as possible.
 
 Finally to ensure support for latest BPF Type Format features -
-discussed in `Documentation/bpf/btf.rst`_ - pahole version 1.16
+discussed in Documentation/bpf/btf.rst - pahole version 1.16
 is required for kernels built with CONFIG_DEBUG_INFO_BTF=y.
 pahole is delivered in the dwarves package or can be built
 from source at
@@ -690,6 +690,5 @@ when:
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/
 .. _Documentation/dev-tools/kselftest.rst:
    https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html
-.. _Documentation/bpf/btf.rst: btf.rst
 
 Happy BPF hacking!

base-commit: 345d24a91c79f408e355c8b7e873ccde0f097eea
-- 
An old man doll... just what I always wanted! - Clara