linux-kernel - Re: [PATCH] kunit: kunit_config: Fix parsing of CONFIG options with space

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Date:   Tue, 30 Jun 2020 15:15:28 +0800
From:   David Gow <davidgow@...gle.com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Shuah Khan <shuah@...nel.org>
Cc:     "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        masahiroy@...nel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kunit: kunit_config: Fix parsing of CONFIG options with space

On Mon, Jun 8, 2020 at 5:57 AM Rikard Falkeborn
<rikard.falkeborn@...il.com> wrote:
>
> Commit 8b59cd81dc5e ("kbuild: ensure full rebuild when the compiler is
> updated") introduced a new CONFIG option CONFIG_CC_VERSION_TEXT. On my
> system, this is set to "gcc (GCC) 10.1.0" which breaks KUnit config
> parsing which did not like the spaces in the string.
>
> Fix this by updating the regex to allow strings containing spaces.
>
> Fixes: 8b59cd81dc5e ("kbuild: ensure full rebuild when the compiler is updated")
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Tested-by: David Gow <davidgow@...gle.com>

I've been using this patch quite a bit, and haven't hit any problems.

+Shuah: Any chance we get this into the kunit branch sooner rather
than later? The KUnit tooling is quite broken without it.

> ---
> Maybe it would have been sufficient to just use
> CONFIG_PATTERN = r'^CONFIG_(\w+)=(.*)$' instead?
>

FWIW, I tried this myself, and it seemed to work, but I think I like
requiring the quotes more.

Cheers,
-- David