From: Tejun Heo <tj@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
"Michal Koutný" <mkoutny@suse.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Hillf Danton" <hdanton@sina.com>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Marco Elver" <elver@google.com>,
tglx@linutronix.de
Subject: Re: [PATCH v8 0/6] kernfs: Use RCU to access kernfs_node::{parent|name}.
Date: Thu, 13 Feb 2025 06:33:46 -1000 [thread overview]
Message-ID: <Z64e6gdsFL9i7Cl3@slm.duckdns.org> (raw)
In-Reply-To: <20250213145023.2820193-1-bigeasy@linutronix.de>
On Thu, Feb 13, 2025 at 03:50:17PM +0100, Sebastian Andrzej Siewior wrote:
> This started as a bug report by Hillf Danton and aims to access
> kernfs_node::{name|parent} with RCU to avoid the lock during
> kernfs_path_from_node().
>
> I've split the individual fixes in separate patches (#1 to #4). I've
> also split the ::parent and ::name RCU conversation into a single patch
> (#5 and #6).
Greg, the whole series looks good to me. Probably ready to iterate in tree
even if there are more updates to make?
Thanks.
--
tejun
next prev parent reply other threads:[~2025-02-13 16:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 14:50 [PATCH v8 0/6] kernfs: Use RCU to access kernfs_node::{parent|name} Sebastian Andrzej Siewior
2025-02-13 14:50 ` [PATCH v8 1/6] kernfs: Acquire kernfs_rwsem in kernfs_notify_workfn() Sebastian Andrzej Siewior
2025-02-13 14:50 ` [PATCH v8 2/6] kernfs: Acquire kernfs_rwsem in kernfs_get_parent_dentry() Sebastian Andrzej Siewior
2025-02-13 14:50 ` [PATCH v8 3/6] kernfs: Acquire kernfs_rwsem in kernfs_node_dentry() Sebastian Andrzej Siewior
2025-02-13 14:50 ` [PATCH v8 4/6] kernfs: Don't re-lock kernfs_root::kernfs_rwsem in kernfs_fop_readdir() Sebastian Andrzej Siewior
2026-02-23 21:54 ` Zhu, Yi
2025-02-13 14:50 ` [PATCH v8 5/6] kernfs: Use RCU to access kernfs_node::parent Sebastian Andrzej Siewior
2025-02-13 14:50 ` [PATCH v8 6/6] kernfs: Use RCU to access kernfs_node::name Sebastian Andrzej Siewior
2025-02-13 16:33 ` Tejun Heo [this message]
2025-02-13 18:13 ` [PATCH v8 0/6] kernfs: Use RCU to access kernfs_node::{parent|name} Greg Kroah-Hartman
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