linux-kernel - Re: [PATCH v8 0/6] kernfs: Use RCU to access kernfs

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Message-ID: <2025021343-ranking-applause-aa5f@gregkh>
Date: Thu, 13 Feb 2025 19:13:22 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Tejun Heo <tj@...nel.org>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michal Koutný <mkoutny@...e.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>, Hillf Danton <hdanton@...a.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Marco Elver <elver@...gle.com>, tglx@...utronix.de
Subject: Re: [PATCH v8 0/6] kernfs: Use RCU to access
 kernfs_node::{parent|name}.

On Thu, Feb 13, 2025 at 06:33:46AM -1000, Tejun Heo wrote:
> 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?

Give me a chance to catch up with my pending patch review queue, I've
been in CRA meetings lately and am way behind...

Don't worry, it's not lost.

thanks,

greg k-h