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From: Brendan Higgins <brendanhiggins@google.com>
To: Daniel Latypov <dlatypov@google.com>
Cc: David Gow <davidgow@google.com>,
	Kees Cook <keescook@chromium.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	KUnit Development <kunit-dev@googlegroups.com>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>,
	maxime@cerno.tech
Subject: Re: [PATCH] Documentation: kunit: update kconfig options needed for UML coverage
Date: Mon, 28 Mar 2022 12:54:30 -0400	[thread overview]
Message-ID: <CAFd5g45f3X3xF2vz2BkTHRqOC4uW6GZxtUUMaP5mwwbK8uNVtA@mail.gmail.com> (raw)
In-Reply-To: <CAGS_qxq_vFtGS4BGieZz8L3QH7rZ7ZN25pGYmjWWoXbTGOKC9A@mail.gmail.com>

On Mon, Mar 28, 2022 at 12:35 PM Daniel Latypov <dlatypov@google.com> wrote:
>
> On Fri, Mar 25, 2022 at 9:56 PM David Gow <davidgow@google.com> wrote:
> >
>
> <snip>
>
> > >         # Append coverage options to the current config
> > > -       $ echo -e "CONFIG_DEBUG_KERNEL=y\nCONFIG_DEBUG_INFO=y\nCONFIG_GCOV=y" >> .kunit/.kunitconfig
> > > +       $ echo -e "CONFIG_DEBUG_KERNEL=y\nCONFIG_DEBUG_INFO=y\nCONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y\nCONFIG_GCOV=y" >> .kunit/.kunitconfig
> > >         $ ./tools/testing/kunit/kunit.py run
> >
> > Would we want to instead use a chain of --kconfig_add arguments? (I
> > think there are advantages either way...)
>
> I've been considering this ever since the --kconfig_add patch was accepted.
> It's more compatible w/ commands using --kunitconfig, but it also
> looks very verbose.
> E.g. it looks like
>
> $ tools/testing/kunit/kunit.py run --make_options=CC=/usr/bin/gcc-6
> --kconfig_add=CONFIG_DEBUG_INFO=y
> --kconfig_add=CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
> --kconfig_add=CONFIG_GCOV=y

I don't think it's *that* much more verbose, but I see your point. I
personally prefer this, but not enough to argue about it.

> Neither looks very appealing to me, so I've just kept it as-is for now.
>
> Maybe there's something we can do to make this easier (e.g. allowing
> --kunitconfig to be repeated and mergable)?

I would like --kunitconfig to be repeadable and mergable.

  reply	other threads:[~2022-03-28 16:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-26  0:33 [PATCH] Documentation: kunit: update kconfig options needed for UML coverage Daniel Latypov
2022-03-26  2:56 ` David Gow
2022-03-28 16:35   ` Daniel Latypov
2022-03-28 16:54     ` Brendan Higgins [this message]
2022-03-28 18:58       ` Daniel Latypov
2022-03-28 19:36         ` Brendan Higgins
2022-03-28  7:58 ` Maxime Ripard
2022-03-28 16:27 ` Brendan Higgins

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