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Message-ID: <db3d2a7e-a459-46e1-9c79-2b4e1d503ce5@paulmck-laptop>
Date: Tue, 30 Jan 2024 08:33:21 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Andrea Parri <parri.andrea@...il.com>
Cc: linux-kernel@...r.kernel.org,
	"E."@paulmck-thinkpad-p17-gen-1.smtp.subspace.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Will Deacon <will@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Nicholas Piggin <npiggin@...il.com>,
	David Howells <dhowells@...hat.com>,
	Jade Alglave <j.alglave@....ac.uk>,
	Luc Maranget <luc.maranget@...ia.fr>,
	Paul@...lmck-thinkpad-p17-gen-1.smtp.subspace.kernel.org,
	Akira Yokosawa <akiyks@...il.com>,
	Daniel Lustig <dlustig@...dia.com>,
	Joel Fernandes <joel@...lfernandes.org>,
	Mark Rutland <mark.rutland@....com>,
	Jonathan Corbet <corbet@....net>, linux-arch@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Anna-Maria Behnsen <anna-maria@...utronix.de>
Subject: Re: [PATCH doc] Emphasize that failed atomic operations give no
 ordering

On Tue, Jan 30, 2024 at 05:02:49PM +0100, Andrea Parri wrote:
> On Tue, Jan 30, 2024 at 06:53:38AM -0800, Paul E. McKenney wrote:
> > The ORDERING section of Documentation/atomic_t.txt can easily be read as
> > saying that conditional atomic RMW operations that fail are ordered when
> > those operations have the _acquire() or _release() prefixes.  This is
> 
> s/prefixes/suffixes

Good catch, fixed.

> > not the case, therefore update this section to make it clear that failed
> > conditional atomic RMW operations provide no ordering.
> > 
> > Reported-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
> > Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> 
> You may want to add a "subsystem" to the subject line, git-log suggests
> "Documentation/atomic_t".  Anyway,

Good point, done.

> Acked-by: Andrea Parri <parri.andrea@...il.com>

Thank you!

							Thanx, Paul

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