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Date: Wed, 21 Feb 2024 15:48:33 +0100
From: Maxime Ripard <mripard@redhat.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Javier Martinez Canillas <javierm@redhat.com>, 
	linux-kernel@vger.kernel.org, Enric Balletbo i Serra <eballetbo@redhat.com>, 
	Erico Nunes <nunes.erico@gmail.com>, Brian Masney <bmasney@redhat.com>, Arnd Bergmann <arnd@arndb.de>, 
	Bjorn Andersson <quic_bjorande@quicinc.com>, Catalin Marinas <catalin.marinas@arm.com>, 
	Geert Uytterhoeven <geert+renesas@glider.be>, Konrad Dybcio <konrad.dybcio@linaro.org>, 
	Marek Szyprowski <m.szyprowski@samsung.com>, Neil Armstrong <neil.armstrong@linaro.org>, 
	Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] arm64: defconfig: Enable zram, xfs and loading
 compressed FW support
Message-ID: <6scz7iti3tzzrd4ph3gnuc2pvkcbtuuicgfgujh3pa3c34kdkt@bhfa4xbxeu7t>
References: <20240221141350.3740488-1-javierm@redhat.com>
 <1f28256c-e436-4add-aa67-2cfb2248b220@linaro.org>
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On Wed, Feb 21, 2024 at 03:22:38PM +0100, Krzysztof Kozlowski wrote:
> On 21/02/2024 15:13, Javier Martinez Canillas wrote:
> > These options are needed by some Linux distributions (e.g: Fedora), so
>=20
> How ZRAM is needed? Why Fedora cannot boot without it? Debian, which I
> use on my arm64 boards, does not have any problem.

Is it relevant in any way?

I'm sure Debian can boot without MEMORY_HOTREMOVE, or BRIDGE, or
NUMA_BALANCING, or BPF_JIT, or NFS_FS, yet all of them are enabled. Let
me know if you want hundreds more examples.

> I kind of repeat comments from similar patch earlier:
> https://lore.kernel.org/all/fe1e74a2-e933-7cd9-f740-86d871076191@linaro.o=
rg/
>=20
> About XFS: I don't think it is needed to boot anything.

Just like 9P_FS, NFS or UBIFS.

> This is a defconfig, not a distro config. Please don't make it distro.
>=20
> I will gladly support things needed by systemd or equivalent, but not
> unusual filesystems needed by distro.

It's a defconfig. It's whatever people want it to be. Or we need to come
up with a clearly defined set of rules of what is acceptable in that
defconfig or not, and prune every option that isn't.

Maxime

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