linux-kernel - Re: [PATCH v13 00/18] kunit: introduce KUnit, the Linux kernel unit testing framework

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Message-ID: <CAFd5g44JT_KQ+OxjVdG0qMWuaEB0Zq5x=r6tLsqJdncwZ_zbGA@mail.gmail.com>
Date:   Tue, 20 Aug 2019 14:26:32 -0700
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     shuah <shuah@...nel.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Kees Cook <keescook@...gle.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
        "Theodore Ts'o" <tytso@....edu>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        devicetree <devicetree@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        kunit-dev@...glegroups.com,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        linux-um@...ts.infradead.org,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        "Bird, Timothy" <Tim.Bird@...y.com>,
        Amir Goldstein <amir73il@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Daniel Vetter <daniel@...ll.ch>, Jeff Dike <jdike@...toit.com>,
        Joel Stanley <joel@....id.au>,
        Julia Lawall <julia.lawall@...6.fr>,
        Kevin Hilman <khilman@...libre.com>,
        Knut Omang <knut.omang@...cle.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Petr Mladek <pmladek@...e.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Richard Weinberger <richard@....at>,
        David Rientjes <rientjes@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>, wfg@...ux.intel.com,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v13 00/18] kunit: introduce KUnit, the Linux kernel unit
 testing framework

On Tue, Aug 20, 2019 at 12:08 PM shuah <shuah@...nel.org> wrote:
>
> On 8/20/19 12:24 PM, Brendan Higgins wrote:
> > On Tue, Aug 20, 2019 at 11:24:45AM -0600, shuah wrote:
> >> On 8/13/19 11:50 PM, Brendan Higgins wrote:
> >>> ## TL;DR
> >>>
> >>> This revision addresses comments from Stephen and Bjorn Helgaas. Most
> >>> changes are pretty minor stuff that doesn't affect the API in anyway.
> >>> One significant change, however, is that I added support for freeing
> >>> kunit_resource managed resources before the test case is finished via
> >>> kunit_resource_destroy(). Additionally, Bjorn pointed out that I broke
> >>> KUnit on certain configurations (like the default one for x86, whoops).
> >>>
> >>> Based on Stephen's feedback on the previous change, I think we are
> >>> pretty close. I am not expecting any significant changes from here on
> >>> out.
> >>>
> >>
> >> Hi Brendan,
> >>
> >> I found checkpatch errors in one or two patches. Can you fix those and
> >> send v14.
> >
> > Hi Shuah,
> >
> > Are you refering to the following errors?
> >
> > ERROR: Macros with complex values should be enclosed in parentheses
> > #144: FILE: include/kunit/test.h:456:
> > +#define KUNIT_BINARY_CLASS \
> > +       kunit_binary_assert, KUNIT_INIT_BINARY_ASSERT_STRUCT
> >
> > ERROR: Macros with complex values should be enclosed in parentheses
> > #146: FILE: include/kunit/test.h:458:
> > +#define KUNIT_BINARY_PTR_CLASS \
> > +       kunit_binary_ptr_assert, KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT
> >
> > These values should *not* be in parentheses. I am guessing checkpatch is
> > getting confused and thinks that these are complex expressions, when
> > they are not.
> >
> > I ignored the errors since I figured checkpatch was complaining
> > erroneously.
> >
> > I could refactor the code to remove these macros entirely, but I think
> > the code is cleaner with them.
> >
>
> Please do. I am not veru sure what value these macros add.

Alright, I will have something for you later today.