linux-kernel - Re: [PATCH v3 0/3] initrd: remove half of classic initrd support

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Message-ID: <aPh9Tx95Yhm_EkLN@infradead.org>
Date: Tue, 21 Oct 2025 23:44:31 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Christian Brauner <brauner@...nel.org>
Cc: Askar Safin <safinaskar@...il.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
	Jens Axboe <axboe@...nel.dk>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Aleksa Sarai <cyphar@...har.com>,
	Thomas Weißschuh <thomas.weissschuh@...utronix.de>,
	Julian Stecklina <julian.stecklina@...erus-technology.de>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Art Nikpal <email2tema@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Graf <graf@...zon.com>, Rob Landley <rob@...dley.net>,
	Lennart Poettering <mzxreary@...inter.de>,
	linux-arch@...r.kernel.org, linux-block@...r.kernel.org,
	initramfs@...r.kernel.org, linux-api@...r.kernel.org,
	linux-doc@...r.kernel.org, Michal Simek <monstr@...str.eu>,
	Luis Chamberlain <mcgrof@...nel.org>, Kees Cook <kees@...nel.org>,
	Thorsten Blum <thorsten.blum@...ux.dev>,
	Heiko Carstens <hca@...ux.ibm.com>, Arnd Bergmann <arnd@...db.de>,
	Dave Young <dyoung@...hat.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Borislav Petkov <bp@...en8.de>, Jessica Clarke <jrtc27@...c27.com>,
	Nicolas Schichan <nschichan@...ebox.fr>,
	David Disseldorp <ddiss@...e.de>, patches@...ts.linux.dev
Subject: Re: [PATCH v3 0/3] initrd: remove half of classic initrd support

On Tue, Oct 21, 2025 at 03:05:35PM +0200, Christian Brauner wrote:
> Without Acks or buy-in from other maintainers this is not a change we
> can just do given that a few people already piped up and expressed
> reservations that this would be doable for them.
> 
> @Christoph, you marked this as deprecated years ago.
> What's your take on this?

I'd love to see it go obviously.  But IIRC we had various users show
up, which speaks against removing it.  Maybe the first step would be
a separate config option just for block-based initrd?