linux-kernel - Re: [PATCH v4 3/3] init: remove /proc/sys/kernel/real-root-dev

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Message-ID: <20251125-gearbeitet-fielen-e228943f67b5@brauner>
Date: Tue, 25 Nov 2025 10:41:35 +0100
From: Christian Brauner <brauner@...nel.org>
To: Christoph Hellwig <hch@....de>
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 v4 3/3] init: remove /proc/sys/kernel/real-root-dev

On Mon, Nov 24, 2025 at 03:28:04PM +0100, Christoph Hellwig wrote:
> On Wed, Nov 19, 2025 at 10:24:07PM +0000, Askar Safin wrote:
> > It is not used anymore.
> 
> Let's hope whacky userspace agrees with that :)
> 
> But we'll have to try this to find out, so:
> 
> Reviewed-by: Christoph Hellwig <hch@....de>

Ok, let's try for v6.20. Putting this into vfs-6.20.initrd.