linux-kernel - Re: [PATCH 3/3] lib: add module support to linked list sorting tests

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Date:   Tue, 28 Feb 2017 15:43:29 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Shuah Khan <shuah@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] lib: add module support to linked list sorting tests

Hi Arnd,

On Tue, Feb 28, 2017 at 3:28 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Tue, Feb 28, 2017 at 2:06 PM, Geert Uytterhoeven
> <geert@...ux-m68k.org> wrote:
>
>> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
>> index 90b2348777495b72..32363ae022e3282a 100644
>> --- a/lib/Kconfig.debug
>> +++ b/lib/Kconfig.debug
>> @@ -1731,11 +1731,12 @@ config LKDTM
>>         Documentation/fault-injection/provoke-crashes.txt
>>
>>  config TEST_LIST_SORT
>> -       bool "Linked list sorting test"
>> -       depends on DEBUG_KERNEL
>> +       tristate "Linked list sorting test"
>> +       depends on DEBUG_KERNEL || m
>
> I don't see any other test code with a "DEBUG_KERNEL || m" dependency,
> but several that are "DEBUG_KERNEL && m". Maybe we should just
> force it to be a module like the others? If there are good reasons to
> have it built-in, I'd just drop the "|| m" here.

Some people want to run all tests at boot time, so forcing the test to be
modular breaks that.

I used "|| m" as I like to enable all tests as modules, even when not
using DEBUG_KERNEL.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds