linux-kernel - Re: [PATCH 0/7] arch/*: config: Remove ReiserFS from defconfig

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Message-ID: <20230919161535.4774-1-peter@n8pjl.ca>
Date:   Tue, 19 Sep 2023 16:15:41 +0000
From:   Peter Lafreniere <peter@...jl.ca>
To:     geert@...ux-m68k.org
Cc:     anton.ivanov@...bridgegreys.com, ink@...assic.park.msu.ru,
        jack@...e.cz, johannes@...solutions.net,
        linux-alpha@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-m68k@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-sh@...r.kernel.org,
        linux-um@...ts.infradead.org, linux@...linux.org.uk,
        linuxppc-dev@...ts.ozlabs.org, peter@...jl.ca,
        reiserfs-devel@...r.kernel.org, richard.henderson@...aro.org,
        richard@....at, segher@...nel.crashing.org,
        tsbogend@...ha.franken.de
Subject: Re: [PATCH 0/7] arch/*: config: Remove ReiserFS from defconfig

Hi Geert,

On Tue, Sep 19, 2023 at 12:02, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> 
> Hi Peter,
> 
> On Tue, Sep 19, 2023 at 5:58 PM Peter Lafreniere peter@...jl.ca wrote:
> 
> > 2) Stops building an obsolete and largely-unused filesystem unnecessarily.
> > Some hobbyist targets like m68k and alpha may prefer to keep all filesystems
> > available until total removal, but others like arm and UML have no need for
> > ReiserFS to be built unless specifically configured.
> 
> 
> As UML is used a lot for testing, isn't it actually counter-productive
> to remove ReiserFS from the UML defconfig? The less testing it
> receives, the higher the chance of introducing regressions.

UML is used for testing, but in my view that makes the inclusion of
ReiserFS in its defconfig even worse. Users of UML are trying to test a
particular function, and so tend to use ext[2-4], as those are included in
the defconfig and are well tested and stable. So there is no extra testing
being done on ReiserFS due to its inclusion in the defconfig.

Keeping UML's defconfig as slim as possible improves build times, which is
particularly important for kernel testing and development.

> 
> Gr{oetje,eeting}s,
> 
> Geert
>

Cheers,
Peter Lafreniere