[PATCH bpf-next v3] bpf: Fix some invalid links in bpf_devel_QA.rst

[PATCH bpf-next v3] bpf: Fix some invalid links in bpf_devel_QA.rst

[Tiezhu Yang]

There exist some errors "404 Not Found" when I click the link
of "MAINTAINERS" [1], "samples/bpf/" [2] and "selftests" [3]
in the documentation "HOWTO interact with BPF subsystem" [4].

As Alexei Starovoitov suggested, just remove "MAINTAINERS" and
"samples/bpf/" links and use correct link of "selftests".

[1] https://www.kernel.org/doc/html/MAINTAINERS
[2] https://www.kernel.org/doc/html/samples/bpf/
[3] https://www.kernel.org/doc/html/tools/testing/selftests/bpf/
[4] https://www.kernel.org/doc/html/latest/bpf/bpf_devel_QA.html

Fixes: 542228384888 ("bpf, doc: convert bpf_devel_QA.rst to use RST formatting")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---

v3: Remove "MAINTAINERS" and "samples/bpf/" links and
    use correct link of "selftests"

v2: Add Fixes: tag

 Documentation/bpf/bpf_devel_QA.rst | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst
index 2ed89ab..d05e67e 100644
--- a/Documentation/bpf/bpf_devel_QA.rst
+++ b/Documentation/bpf/bpf_devel_QA.rst
@@ -29,7 +29,7 @@ list:
 This may also include issues related to XDP, BPF tracing, etc.
 
 Given netdev has a high volume of traffic, please also add the BPF
-maintainers to Cc (from kernel MAINTAINERS_ file):
+maintainers to Cc (from kernel ``MAINTAINERS`` file):
 
 * Alexei Starovoitov <ast@kernel.org>
 * Daniel Borkmann <daniel@iogearbox.net>
@@ -234,11 +234,11 @@ be subject to change.
 
 Q: samples/bpf preference vs selftests?
 ---------------------------------------
-Q: When should I add code to `samples/bpf/`_ and when to BPF kernel
-selftests_ ?
+Q: When should I add code to ``samples/bpf/`` and when to BPF kernel
+selftests_?
 
 A: In general, we prefer additions to BPF kernel selftests_ rather than
-`samples/bpf/`_. The rationale is very simple: kernel selftests are
+``samples/bpf/``. The rationale is very simple: kernel selftests are
 regularly run by various bots to test for kernel regressions.
 
 The more test cases we add to BPF selftests, the better the coverage
@@ -246,9 +246,9 @@ and the less likely it is that those could accidentally break. It is
 not that BPF kernel selftests cannot demo how a specific feature can
 be used.
 
-That said, `samples/bpf/`_ may be a good place for people to get started,
+That said, ``samples/bpf/`` may be a good place for people to get started,
 so it might be advisable that simple demos of features could go into
-`samples/bpf/`_, but advanced functional and corner-case testing rather
+``samples/bpf/``, but advanced functional and corner-case testing rather
 into kernel selftests.
 
 If your sample looks like a test case, then go for BPF kernel selftests
@@ -645,10 +645,9 @@ when:
 
 .. Links
 .. _Documentation/process/: https://www.kernel.org/doc/html/latest/process/
-.. _MAINTAINERS: ../../MAINTAINERS
 .. _netdev-FAQ: ../networking/netdev-FAQ.rst
-.. _samples/bpf/: ../../samples/bpf/
-.. _selftests: ../../tools/testing/selftests/bpf/
+.. _selftests:
+   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
-- 
2.1.0

Re: [PATCH bpf-next v3] bpf: Fix some invalid links in bpf_devel_QA.rst

[Jesper Dangaard Brouer]

On Thu, 22 Apr 2021 11:36:00 +0800
Tiezhu Yang <yangtiezhu@loongson.cn> wrote:

> There exist some errors "404 Not Found" when I click the link
> of "MAINTAINERS" [1], "samples/bpf/" [2] and "selftests" [3]
> in the documentation "HOWTO interact with BPF subsystem" [4].

The links work if you are browsing the document via GitHub:
 https://github.com/torvalds/linux/blob/master/Documentation/bpf/bpf_devel_QA.rst

But I'm fine with removing those links as the official doc is here:
 https://www.kernel.org/doc/html/latest/bpf/bpf_devel_QA.html


> As Alexei Starovoitov suggested, just remove "MAINTAINERS" and
> "samples/bpf/" links and use correct link of "selftests".
> 
> [1] https://www.kernel.org/doc/html/MAINTAINERS
> [2] https://www.kernel.org/doc/html/samples/bpf/
> [3] https://www.kernel.org/doc/html/tools/testing/selftests/bpf/
> [4] https://www.kernel.org/doc/html/latest/bpf/bpf_devel_QA.html
> 
> Fixes: 542228384888 ("bpf, doc: convert bpf_devel_QA.rst to use RST formatting")
> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
> 
> v3: Remove "MAINTAINERS" and "samples/bpf/" links and
>     use correct link of "selftests"
> 
> v2: Add Fixes: tag
> 
>  Documentation/bpf/bpf_devel_QA.rst | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst
> index 2ed89ab..d05e67e 100644
> --- a/Documentation/bpf/bpf_devel_QA.rst
> +++ b/Documentation/bpf/bpf_devel_QA.rst
> @@ -29,7 +29,7 @@ list:
>  This may also include issues related to XDP, BPF tracing, etc.
>  
>  Given netdev has a high volume of traffic, please also add the BPF
> -maintainers to Cc (from kernel MAINTAINERS_ file):
> +maintainers to Cc (from kernel ``MAINTAINERS`` file):
>  
>  * Alexei Starovoitov <ast@kernel.org>
>  * Daniel Borkmann <daniel@iogearbox.net>
> @@ -234,11 +234,11 @@ be subject to change.
>  
>  Q: samples/bpf preference vs selftests?
>  ---------------------------------------
> -Q: When should I add code to `samples/bpf/`_ and when to BPF kernel
> -selftests_ ?
> +Q: When should I add code to ``samples/bpf/`` and when to BPF kernel
> +selftests_?
>  
>  A: In general, we prefer additions to BPF kernel selftests_ rather than
> -`samples/bpf/`_. The rationale is very simple: kernel selftests are
> +``samples/bpf/``. The rationale is very simple: kernel selftests are
>  regularly run by various bots to test for kernel regressions.
>  
>  The more test cases we add to BPF selftests, the better the coverage
> @@ -246,9 +246,9 @@ and the less likely it is that those could accidentally break. It is
>  not that BPF kernel selftests cannot demo how a specific feature can
>  be used.
>  
> -That said, `samples/bpf/`_ may be a good place for people to get started,
> +That said, ``samples/bpf/`` may be a good place for people to get started,
>  so it might be advisable that simple demos of features could go into
> -`samples/bpf/`_, but advanced functional and corner-case testing rather
> +``samples/bpf/``, but advanced functional and corner-case testing rather
>  into kernel selftests.
>  
>  If your sample looks like a test case, then go for BPF kernel selftests
> @@ -645,10 +645,9 @@ when:
>  
>  .. Links
>  .. _Documentation/process/: https://www.kernel.org/doc/html/latest/process/
> -.. _MAINTAINERS: ../../MAINTAINERS
>  .. _netdev-FAQ: ../networking/netdev-FAQ.rst
> -.. _samples/bpf/: ../../samples/bpf/
> -.. _selftests: ../../tools/testing/selftests/bpf/
> +.. _selftests:
> +   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



-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

Re: [PATCH bpf-next v3] bpf: Fix some invalid links in bpf_devel_QA.rst

[Jesper Dangaard Brouer]

On Thu, 22 Apr 2021 11:15:40 +0200
Jesper Dangaard Brouer <brouer@redhat.com> wrote:

> On Thu, 22 Apr 2021 11:36:00 +0800
> Tiezhu Yang <yangtiezhu@loongson.cn> wrote:
> 
> > There exist some errors "404 Not Found" when I click the link
> > of "MAINTAINERS" [1], "samples/bpf/" [2] and "selftests" [3]
> > in the documentation "HOWTO interact with BPF subsystem" [4].  
> 
> The links work if you are browsing the document via GitHub:
>  https://github.com/torvalds/linux/blob/master/Documentation/bpf/bpf_devel_QA.rst
> 
> But I'm fine with removing those links as the official doc is here:
>  https://www.kernel.org/doc/html/latest/bpf/bpf_devel_QA.html

IMHO a V4 was not needed.  Let me make it clear by ACKing this patch.

Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

Re: [PATCH bpf-next v3] bpf: Fix some invalid links in bpf_devel_QA.rst

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (refs/heads/master):

On Thu, 22 Apr 2021 11:36:00 +0800 you wrote:
> There exist some errors "404 Not Found" when I click the link
> of "MAINTAINERS" [1], "samples/bpf/" [2] and "selftests" [3]
> in the documentation "HOWTO interact with BPF subsystem" [4].
> 
> As Alexei Starovoitov suggested, just remove "MAINTAINERS" and
> "samples/bpf/" links and use correct link of "selftests".
> 
> [...]

Here is the summary with links:
  - [bpf-next,v3] bpf: Fix some invalid links in bpf_devel_QA.rst
    https://git.kernel.org/bpf/bpf-next/c/64ef3ddfa95e

You are awesome, thank you!
--
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