linux-kernel - Re: [PATCH] vfs: use RCU in ilookup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240715-bundesweit-eckwerte-e5ddcae12fbc@brauner>
Date: Mon, 15 Jul 2024 13:37:14 +0200
From: Christian Brauner <brauner@...nel.org>
To: Mateusz Guzik <mjguzik@...il.com>
Cc: Christian Brauner <brauner@...nel.org>,
	viro@...iv.linux.org.uk,
	jack@...e.cz,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	bharata@....com
Subject: Re: [PATCH] vfs: use RCU in ilookup

On Mon, 15 Jul 2024 09:13:24 +0200, Mateusz Guzik wrote:
> A soft lockup in ilookup was reported when stress-testing a 512-way
> system [1] (see [2] for full context) and it was verified that not
> taking the lock shifts issues back to mm.
> 
> [1] https://lore.kernel.org/linux-mm/56865e57-c250-44da-9713-cf1404595bcc@amd.com/
> [2] https://lore.kernel.org/linux-mm/d2841226-e27b-4d3d-a578-63587a3aa4f3@amd.com/
> 
> [...]

Applied to the vfs.inode.rcu branch of the vfs/vfs.git tree.
Patches in the vfs.inode.rcu branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.inode.rcu

[1/1] vfs: use RCU in ilookup
      https://git.kernel.org/vfs/vfs/c/2eae762dece6