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From:   SeongJae Park <sj38.park@gmail.com>
Date:   Mon, 2 Dec 2019 21:59:09 +0100
Message-ID: <CAEjAshoLUQDWdg2LAzOzeDsiV_DRFzWqhCAkOaGK4B4nkLRgSA@mail.gmail.com>
Subject: Re: [PATCH 2/6] docs/kunit/start: Skip wrapper run command
To:     Brendan Higgins <brendanhiggins@google.com>
Cc:     David Gow <davidgow@google.com>, shuah <shuah@kernel.org>,
        Jonathan Corbet <corbet@lwn.net>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        KUnit Development <kunit-dev@googlegroups.com>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        SeongJae Park <sjpark@amazon.de>
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On Mon, Dec 2, 2019 at 6:25 PM Brendan Higgins
<brendanhiggins@google.com> wrote:
>
> +David Gow - David has lots of good opinions on our documentation.
>
> On Sun, Dec 1, 2019 at 3:25 PM SeongJae Park <sj38.park@gmail.com> wrote:
> >
> > From: SeongJae Park <sjpark@amazon.de>
> >
> > The kunit 'Getting Started' document first shows the wrapper running
> > command.  However, a new user who simply following the command might
> > encounter a failure like below:
> >
> >     $ ./tools/testing/kunit/kunit.py run
> >     Traceback (most recent call last):
> >       File "./tools/testing/kunit/kunit.py", line 140, in <module>
> >         main(sys.argv[1:])
> >       File "./tools/testing/kunit/kunit.py", line 126, in main
> >         linux = kunit_kernel.LinuxSourceTree()
> >       File "/home/sjpark/linux/tools/testing/kunit/kunit_kernel.py", line 85, in __init__
> >         self._kconfig.read_from_file(KUNITCONFIG_PATH)
> >       File "/home/sjpark/linux/tools/testing/kunit/kunit_config.py", line 65, in read_from_file
> >         with open(path, 'r') as f:
> >     FileNotFoundError: [Errno 2] No such file or directory: 'kunitconfig'
> >
> > Though the reason of the failure ('kunitconfig') is explained in its
> > next section, it would be better to reduce any failure that user might
> > encounter.  This commit removes the example command for the reason.
>
> Seems reasonable.
>
> > Signed-off-by: SeongJae Park <sjpark@amazon.de>
> > ---
> >  Documentation/dev-tools/kunit/start.rst | 6 ------
> >  1 file changed, 6 deletions(-)
> >
> > diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
> > index 78a0aed..e25978d 100644
> > --- a/Documentation/dev-tools/kunit/start.rst
> > +++ b/Documentation/dev-tools/kunit/start.rst
> > @@ -15,12 +15,6 @@ Included with KUnit is a simple Python wrapper that helps format the output to
> >  easily use and read KUnit output. It handles building and running the kernel, as
> >  well as formatting the output.
> >
> > -The wrapper can be run with:
> > -
> > -.. code-block:: bash
> > -
> > -   ./tools/testing/kunit/kunit.py run
> > -
> >  Creating a kunitconfig
> >  ======================
>
> I think maybe we should demote this section so that this is a
> subsection under KUnit Wrapper. Might also want to add a tie-in
> explaining why we are talking about kunitconfig here? Right now this
> kind of reads as a non sequitur.
>
> Note: we have tried to address this potential issue for new users in
> this patch under review:
>
> https://patchwork.kernel.org/patch/11252953/
>
> I don't feel strongly whether we do it your way or my way. What do
> other people think?

I totally agree your way :)


Thanks,
SeongJae Park

>
> >  The Python script is a thin wrapper around Kbuild as such, it needs to be
> > --
> > 2.7.4
> >