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Wed, 21 Feb 2024 07:10:15 -0800 (PST) Received: from [192.168.1.20] ([178.197.222.116]) by smtp.gmail.com with ESMTPSA id lj8-20020a170907188800b00a3e0c8f4afbsm4891324ejc.110.2024.02.21.07.10.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Feb 2024 07:10:15 -0800 (PST) Message-ID: Date: Wed, 21 Feb 2024 16:10:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] arm64: defconfig: Enable zram, xfs and loading compressed FW support Content-Language: en-US To: Maxime Ripard Cc: Javier Martinez Canillas , linux-kernel@vger.kernel.org, Enric Balletbo i Serra , Erico Nunes , Brian Masney , Arnd Bergmann , Bjorn Andersson , Catalin Marinas , Geert Uytterhoeven , Konrad Dybcio , Marek Szyprowski , Neil Armstrong , Will Deacon , linux-arm-kernel@lists.infradead.org References: <20240221141350.3740488-1-javierm@redhat.com> <1f28256c-e436-4add-aa67-2cfb2248b220@linaro.org> <6scz7iti3tzzrd4ph3gnuc2pvkcbtuuicgfgujh3pa3c34kdkt@bhfa4xbxeu7t> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 21/02/2024 15:48, Maxime Ripard wrote: > 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 >> >> 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? Yes, because it is justification why we are doing it. Each commit is supposed to explain "why" and the explanation here is not enough. > > 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. So if there is any bug, you are allowed to add new one? If there is any silly option, you are allowed to add new one? Feel free to propose dropping of any irrelevant options. > >> I kind of repeat comments from similar patch earlier: >> https://lore.kernel.org/all/fe1e74a2-e933-7cd9-f740-86d871076191@linaro.org/ >> >> About XFS: I don't think it is needed to boot anything. > > Just like 9P_FS, NFS or UBIFS. NFS is often used on targets, e.g. my board farm, but also by other people. UBIFS was added recently because one device was using it - you needed it. 9P_FS looks unnecessary. > >> This is a defconfig, not a distro config. Please don't make it distro. >> >> 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. So that's the rule I am commenting from time to time. defconfigs are not distro configs. These are reference hardware configs and debugging configs. I was working in distro so trust me - they do stuff differently and they not need XFS in our defconfig for anything. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel