linux-kernel - Re: [PATCH v4] fs/namespace: defer RCU sync for MNT

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Message-ID: <a9fbb5f4-13a0-40b1-bb11-a9aabb96a5a7@sirena.org.uk>
Date: Thu, 17 Apr 2025 12:49:16 +0100
From: Mark Brown <broonie@...nel.org>
To: Christian Brauner <brauner@...nel.org>
Cc: Ian Kent <raven@...maw.net>, Eric Chanudet <echanude@...hat.com>,
	Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Clark Williams <clrkwllms@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>, Ian Kent <ikent@...hat.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-rt-devel@...ts.linux.dev,
	Alexander Larsson <alexl@...hat.com>,
	Lucas Karpinski <lkarpins@...hat.com>, Aishwarya.TCV@....com
Subject: Re: [PATCH v4] fs/namespace: defer RCU sync for MNT_DETACH umount

On Thu, Apr 17, 2025 at 01:31:40PM +0200, Christian Brauner wrote:

> I think that the current approach is still salvagable but I need to test
> this and currently LTP doesn't really compile for me.

FWIW there's some rootfs images with LTP used by KernelCI available
here:

    https://storage.kernelci.org/images/rootfs/debian/bookworm-ltp/20240313.0/

Dunno if that's helpful or not.

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