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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Andrea Parri <andrea.parri@amarulasolutions.com>,
	linux-doc@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Akira Yokosawa <akiyks@gmail.com>,
	Will Deacon <will.deacon@arm.com>,
	virtualization@lists.linux-foundation.org,
	David Howells <dhowells@redhat.com>,
	linux-arch@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
	linux-sparse@vger.kernel.org,
	Alan Stern <stern@rowland.harvard.edu>,
	Matt Turner <mattst88@gmail.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Boqun Feng <boqun.feng@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
	Daniel Lustig <dlustig@nvidia.com>,
	Nicholas Piggin <npiggin@gmail.com>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Luc Maranget <luc.maranget@inria.fr>,
	Richard Henderson <rth@twiddle.net>,
	Jade Alglave <j.alglave@ucl.ac.uk>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-alpha@vger.kernel.orgLuc Van Oostenryck <luc.>
Subject: Re: [PATCH RFC 3/4] barriers: convert a control to a data dependency
Date: Wed, 2 Jan 2019 16:24:15 -0500	[thread overview]
Message-ID: <20190102162400-mutt-send-email-mst__27421.2473923855$1546464141$gmane$org@kernel.org> (raw)
In-Reply-To: <20190102210024.GJ6310@bombadil.infradead.org>

On Wed, Jan 02, 2019 at 01:00:24PM -0800, Matthew Wilcox wrote:
> On Wed, Jan 02, 2019 at 03:57:58PM -0500, Michael S. Tsirkin wrote:
> > @@ -875,6 +893,8 @@ to the CPU containing it.  See the section on "Multicopy atomicity"
> >  for more information.
> >  
> >  
> > +
> > +
> >  In summary:
> >  
> >    (*) Control dependencies can order prior loads against later stores.
> 
> Was this hunk intentional?

Nope, thanks for catching this.

-- 
MST

  reply	other threads:[~2019-01-02 21:24 UTC|newest]

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-02 20:57 [PATCH RFC 0/4] barriers using data dependency Michael S. Tsirkin
2019-01-02 20:57 ` Michael S. Tsirkin
2019-01-02 20:57 ` [PATCH RFC 1/4] include/linux/compiler*.h: fix OPTIMIZER_HIDE_VAR Michael S. Tsirkin
2019-01-02 20:57   ` Michael S. Tsirkin
2019-01-02 20:57   ` Michael S. Tsirkin
2019-01-08 17:44   ` Nick Desaulniers
2019-01-08 17:44     ` Nick Desaulniers
2019-01-08 17:44     ` Nick Desaulniers
2019-01-08 18:50     ` Michael S. Tsirkin
2019-01-08 18:50       ` Michael S. Tsirkin
2019-01-08 18:50       ` Michael S. Tsirkin
2019-01-08 18:50     ` Michael S. Tsirkin
2019-01-09 10:35     ` Miguel Ojeda
2019-01-09 10:35       ` Miguel Ojeda
2019-01-09 10:35       ` Miguel Ojeda
2019-01-09 14:50       ` Michael S. Tsirkin
2019-01-09 14:50         ` Michael S. Tsirkin
2019-01-09 14:50         ` Michael S. Tsirkin
2019-01-19 18:35         ` Miguel Ojeda
2019-01-19 18:35           ` Miguel Ojeda
2019-01-20 14:43           ` Michael S. Tsirkin
2019-01-20 14:43           ` Michael S. Tsirkin
2019-01-20 14:43             ` Michael S. Tsirkin
2019-01-20 15:36             ` Miguel Ojeda
2019-01-20 15:36               ` Miguel Ojeda
2019-01-09 14:50       ` Michael S. Tsirkin
2019-01-10  2:36       ` Michael S. Tsirkin
2019-01-10  2:36         ` Michael S. Tsirkin
2019-01-10  2:36         ` Michael S. Tsirkin
2019-01-10 13:41         ` Dan Carpenter
2019-01-10 13:41           ` Dan Carpenter
2019-01-10 13:41           ` Dan Carpenter
2019-01-10 14:08           ` Michael S. Tsirkin
2019-01-10 14:08             ` Michael S. Tsirkin
2019-01-10 14:08             ` Michael S. Tsirkin
2019-01-10 13:41         ` Dan Carpenter
2019-01-10  2:36       ` Michael S. Tsirkin
2019-01-02 20:57 ` Michael S. Tsirkin
2019-01-02 20:57 ` [PATCH RFC 2/4] include/linux/compiler.h: allow memory operands Michael S. Tsirkin
2019-01-02 20:57 ` Michael S. Tsirkin
2019-01-07 17:54   ` Will Deacon
2019-01-07 17:54     ` Will Deacon
2019-01-07 18:16     ` Michael S. Tsirkin
2019-01-07 18:16       ` Michael S. Tsirkin
2019-01-02 20:57 ` [PATCH RFC 3/4] barriers: convert a control to a data dependency Michael S. Tsirkin
2019-01-02 20:57   ` Michael S. Tsirkin
2019-01-02 20:57   ` Michael S. Tsirkin
2019-01-02 21:00   ` Matthew Wilcox
2019-01-02 21:00   ` Matthew Wilcox
2019-01-02 21:00     ` Matthew Wilcox
2019-01-02 21:00     ` Matthew Wilcox
2019-01-02 21:24     ` Michael S. Tsirkin [this message]
2019-01-02 21:24     ` Michael S. Tsirkin
2019-01-02 21:24       ` Michael S. Tsirkin
2019-01-02 21:24       ` Michael S. Tsirkin
2019-01-07  3:58   ` Jason Wang
2019-01-07  3:58     ` Jason Wang
2019-01-07  4:23     ` Michael S. Tsirkin
2019-01-07  4:23       ` Michael S. Tsirkin
2019-01-07  4:23       ` Michael S. Tsirkin
2019-01-07  4:23       ` Michael S. Tsirkin
2019-01-07  6:50       ` Jason Wang
2019-01-07  6:50         ` Jason Wang
2019-01-07  6:50         ` Jason Wang
2019-01-07  6:50         ` Jason Wang
2019-01-07  9:46       ` Peter Zijlstra
2019-01-07  9:46         ` Peter Zijlstra
2019-01-07 13:36         ` Michael S. Tsirkin
2019-01-07 13:36           ` Michael S. Tsirkin
2019-01-07 15:54           ` Peter Zijlstra
2019-01-07 15:54             ` Peter Zijlstra
2019-01-07 16:22             ` Michael S. Tsirkin
2019-01-07 16:22               ` Michael S. Tsirkin
2019-01-07 16:22               ` Michael S. Tsirkin
2019-01-07 16:22             ` Michael S. Tsirkin
2019-01-07 19:02           ` Paul E. McKenney
2019-01-07 19:02             ` Paul E. McKenney
2019-01-07 19:02             ` Paul E. McKenney
2019-01-07 19:13             ` Michael S. Tsirkin
2019-01-07 19:13             ` Michael S. Tsirkin
2019-01-07 19:13               ` Michael S. Tsirkin
2019-01-07 19:13               ` Michael S. Tsirkin
2019-01-07 19:25               ` Paul E. McKenney
2019-01-07 19:25                 ` Paul E. McKenney
2019-01-07 19:25                 ` Paul E. McKenney
2019-01-02 20:57 ` Michael S. Tsirkin
2019-01-02 20:58 ` [PATCH RFC 4/4] virtio: use dependent_ptr_mb Michael S. Tsirkin
2019-01-02 20:58 ` Michael S. Tsirkin
2019-01-02 21:36 ` [PATCH RFC 0/4] barriers using data dependency Alan Stern
2019-01-02 21:36   ` Alan Stern
2019-01-02 23:04   ` Michael S. Tsirkin
2019-01-02 23:04     ` Michael S. Tsirkin
2019-01-03 15:11     ` Alan Stern
2019-01-03 15:11       ` Alan Stern

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