From: Peter Zijlstra <peterz@infradead.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrea Parri <andrea.parri@amarulasolutions.com>,
Will Deacon <will.deacon@arm.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
LKMM Maintainers -- Akira Yokosawa <akiyks@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>,
Daniel Lustig <dlustig@nvidia.com>,
David Howells <dhowells@redhat.com>,
Jade Alglave <j.alglave@ucl.ac.uk>,
Luc Maranget <luc.maranget@inria.fr>,
Nicholas Piggin <npiggin@gmail.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2] tools/memory-model: Add extra ordering for locks and remove it for ordinary release/acquire
Date: Thu, 12 Jul 2018 20:33:44 +0200 [thread overview]
Message-ID: <20180712183344.GQ2476@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1807121236470.1306-100000@iolanthe.rowland.org>
On Thu, Jul 12, 2018 at 01:04:27PM -0400, Alan Stern wrote:
> Which raises the question of whether RCtso (adopting Daniel's suggested
> term) is also too subtle or counter-intuitive for spinlocks.
IMO yes, RCtso also sucks :-) But in my 'fight' for RCsc it disallows
RCpc and captures the current state of affairs more accurately.
next prev parent reply other threads:[~2018-07-12 18:34 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 20:01 [PATCH v2] tools/memory-model: Add extra ordering for locks and remove it for ordinary release/acquire Alan Stern
2018-07-09 21:45 ` Paul E. McKenney
2018-07-10 13:57 ` Alan Stern
2018-07-10 16:25 ` Paul E. McKenney
[not found] ` <Pine.LNX.4.44L0.1807101416390.1449-100000@iolanthe.rowland.org>
2018-07-10 19:58 ` [PATCH v3] " Paul E. McKenney
2018-07-10 20:24 ` Alan Stern
2018-07-10 20:31 ` Paul E. McKenney
2018-07-11 9:43 ` Will Deacon
2018-07-11 15:42 ` Paul E. McKenney
2018-07-11 16:17 ` Andrea Parri
2018-07-11 18:03 ` Paul E. McKenney
2018-07-11 16:34 ` Peter Zijlstra
2018-07-11 18:10 ` Paul E. McKenney
2018-07-10 9:38 ` [PATCH v2] " Andrea Parri
2018-07-10 14:48 ` Alan Stern
2018-07-10 15:24 ` Andrea Parri
2018-07-10 15:34 ` Alan Stern
2018-07-10 23:14 ` Andrea Parri
2018-07-11 9:43 ` Will Deacon
2018-07-11 12:34 ` Andrea Parri
2018-07-11 12:54 ` Andrea Parri
2018-07-11 15:57 ` Will Deacon
2018-07-11 16:28 ` Andrea Parri
2018-07-11 17:00 ` Peter Zijlstra
2018-07-11 17:50 ` Daniel Lustig
2018-07-12 8:34 ` Andrea Parri
2018-07-12 9:29 ` Peter Zijlstra
2018-07-12 7:40 ` Peter Zijlstra
2018-07-12 9:34 ` Peter Zijlstra
2018-07-12 9:45 ` Will Deacon
2018-07-13 2:17 ` Daniel Lustig
2018-07-12 11:52 ` Andrea Parri
2018-07-12 12:01 ` Andrea Parri
2018-07-12 12:11 ` Peter Zijlstra
2018-07-12 13:48 ` Peter Zijlstra
2018-07-12 16:19 ` Paul E. McKenney
2018-07-12 17:04 ` Alan Stern
2018-07-12 17:14 ` Will Deacon
2018-07-12 17:28 ` Paul E. McKenney
2018-07-12 18:05 ` Peter Zijlstra
2018-07-12 18:10 ` Linus Torvalds
2018-07-12 19:52 ` Andrea Parri
2018-07-12 20:24 ` Andrea Parri
2018-07-13 2:05 ` Daniel Lustig
2018-07-13 4:03 ` Paul E. McKenney
2018-07-13 9:07 ` Andrea Parri
2018-07-13 9:35 ` Will Deacon
2018-07-13 17:16 ` Linus Torvalds
2018-07-13 19:06 ` Andrea Parri
2018-07-14 1:51 ` Alan Stern
2018-07-14 2:58 ` Linus Torvalds
2018-07-16 2:31 ` Paul E. McKenney
2018-07-13 11:08 ` Peter Zijlstra
2018-07-13 13:15 ` Michael Ellerman
2018-07-13 16:42 ` Peter Zijlstra
2018-07-13 19:56 ` Andrea Parri
2018-07-16 14:40 ` Michael Ellerman
2018-07-16 19:01 ` Peter Zijlstra
2018-07-16 19:30 ` Linus Torvalds
2018-07-17 14:45 ` Michael Ellerman
2018-07-17 16:19 ` Linus Torvalds
2018-07-17 18:33 ` Paul E. McKenney
2018-07-17 18:42 ` Peter Zijlstra
2018-07-17 19:40 ` Paul E. McKenney
2018-07-17 19:47 ` Alan Stern
2018-07-17 18:44 ` Linus Torvalds
2018-07-17 18:49 ` Linus Torvalds
2018-07-17 19:42 ` Paul E. McKenney
2018-07-17 19:37 ` Alan Stern
2018-07-17 20:13 ` Linus Torvalds
2018-07-17 19:38 ` Paul E. McKenney
2018-07-17 19:40 ` Andrea Parri
2018-07-17 19:52 ` Paul E. McKenney
2018-07-18 12:31 ` Michael Ellerman
2018-07-18 13:16 ` Michael Ellerman
2018-07-12 17:52 ` Andrea Parri
2018-07-12 20:43 ` Alan Stern
2018-07-12 21:13 ` Andrea Parri
2018-07-12 21:23 ` Andrea Parri
2018-07-12 18:33 ` Peter Zijlstra [this message]
2018-07-12 17:45 ` Andrea Parri
2018-07-10 16:56 ` Daniel Lustig
[not found] ` <Pine.LNX.4.44L0.1807101315140.1449-100000@iolanthe.rowland.org>
2018-07-10 23:31 ` Andrea Parri
2018-07-11 14:19 ` Alan Stern
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