linux-kernel - Re: linux-next: build warnings after merge of the drivers-x86 tree

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Message-ID: <d1399c72-d729-58f8-ac63-1966f18c028d@redhat.com>
Date:   Thu, 24 Mar 2022 14:04:28 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Mark Gross <markgross@...nel.org>,
        "David E. Box" <david.e.box@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: linux-next: build warnings after merge of the drivers-x86 tree

<fat fingered send, sending an incomplete email, this is attempt 2>

Hi Stephen,

On 3/24/22 12:22, Stephen Rothwell wrote:
> Hi Hans,
> 
> On Thu, 24 Mar 2022 08:39:19 +0100 Hans de Goede <hdegoede@...hat.com> wrote:
>>
>> I replied to your original report on March 1st, but I never got a reply
>> to my reply:
>>
>> """
>> Thank you for the report.
>>
>> So I just did:
>>
>> touch Documentation/ABI/testing/sysfs-driver-intel_sdsi
>> make htmldocs &> log
>>
>> In a repo with drivers-x86/for-next checked out and checked the generated log files.
>> But I'm not seeing these WARNINGs.
>>
>> Also 'find Documentation/output/ -name "*sdsi*"' does not output anything,
>> is there anything special (maybe some extra utilities?) which I need to also enable
>> building of htmldocs for the files in Documentation/ABI ?
>> """
>>
>> If someone can let me know how to reproduce these warnings I would be happy
>> to fix them.
> 
> Sorry about that.  I am just doing what you are doing but with the
> whole of linux-next (which I don't think would make a difference).  One
> possibility is that we are using different versions of the doco
> software.
> 
> I am using Sphinx version 4.3.2 (using Python 3).

[hans@...lem ~]$ rpm -qf /usr/bin/sphinx-apidoc
python3-sphinx-4.4.0-1.fc36.noarch

I doubt this makes a difference though.

So I did some digging and the trick for reproducing any ABI
related warnings is to touch the .rst file which has the
"kernel-abi" reST directive (1) for the ABI subdir you want
to regenerate the ABI docs for.

So in this case I did:

touch Documentation/admin-guide/abi-testing.rst
make htmldocs &> log

And now I can see the warnings. I'll prepare a fix for this.

Looking at Documentation/Makefile I also learned that you
can also do this:

scripts/get_abi.pl validate --dir Documentation/ABI

Which results in a different set of warnings...

Regards,

Hans


1) Implemented in Documentation/sphinx/kernel_abi.py