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From:   SeongJae Park <sj38.park@gmail.com>
Date:   Tue, 3 Dec 2019 09:27:16 +0100
Message-ID: <CAEjAshq=QHdOsd7epLvT9kK-YW5ruyxQg8+U8hCO2tDtGeDyHA@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 9:59 PM SeongJae Park <sj38.park@gmail.com> wrote:
>
> 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 :)

For the reason, I removed this patch from the second version patchset[1].

[1] https://lore.kernel.org/linux-doc/1575361141-6806-1-git-send-email-sj38.park@gmail.com/


Thanks,
SeongJae Park

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