linux-kernel - Re: [PATCH 00/33] ABI: add it to the documentation build system

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Message-ID: <20201028143937.GA2302095@kroah.com>
Date:   Wed, 28 Oct 2020 15:39:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Andreas Klinger <ak@...klinger.de>,
        Anton Vorontsov <anton@...msg.org>,
        Baolin Wang <baolin.wang7@...il.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Benson Leung <bleung@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Chao Yu <chao@...nel.org>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Colin Cross <ccross@...roid.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Fabrice Gasnier <fabrice.gasnier@...com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Jingoo Han <jingoohan1@...il.com>,
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        Jonathan Cameron <jic23@...nel.org>,
        Kees Cook <keescook@...omium.org>,
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        Peter Rosin <peda@...ntia.se>,
        Richard Cochran <richardcochran@...il.com>,
        Richard Gong <richard.gong@...ux.intel.com>,
        Sebastian Reichel <sre@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Stefan Achatz <erazor_de@...rs.sourceforge.net>,
        Tony Luck <tony.luck@...el.com>, Wu Hao <hao.wu@...el.com>
Subject: Re: [PATCH 00/33] ABI: add it to the documentation build system

On Wed, Oct 28, 2020 at 03:22:58PM +0100, Mauro Carvalho Chehab wrote:
> Hi Greg,
> 
> As requested, this is a rebased version on the top of v5.10-rc1
> adding support for having the Linux ABI documentted inside
> the Linux admin manual.
> 
> When compared with the version I sent years ago, this
> version has:
> 
> - a logic to detect duplicated ABI symbols;
> - it auto-generate cross-reference markups for ABI symbols,
>   ABI files and .rst files;
> - Other files from 5.10-rc1 required adjustments in order
>   to be accepted by the script in rst-source mode;
> - Some bug fixes.
> 
> PS.: I didn't try to merge it against linux-next yet. So,
> I won't doubt that applying it could cause some conflicts.
> 
> Feel free to review it.

After applying the first 10 patches, and running it, I see a bunch of
these types of warnings:

Use of uninitialized value $kernelversion in substitution (s///) at ./scripts/get_abi.pl line 444.
Use of uninitialized value $users in substitution (s///) at ./scripts/get_abi.pl line 446.
Use of uninitialized value $users in substitution (s///) at ./scripts/get_abi.pl line 447.

When doing something like:
$ ./scripts/get_abi.pl search usb --dir Documentation/ABI/stable/

Is that expected?

thanks,

greg k-h