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From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	linux-kernel@vger.kernel.org, mingo@elte.hu,
	laijs@cn.fujitsu.com, dipankar@in.ibm.com,
	akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
	josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
	rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
	darren@dvhart.com, sbw@mit.edu, cl@linux.com
Subject: Re: [PATCH] rcu: Is it safe to enter an RCU read-side critical section?
Date: Mon, 9 Sep 2013 15:36:04 +0200	[thread overview]
Message-ID: <20130909133604.GC31370@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20130909132343.GN3966@linux.vnet.ibm.com>

On Mon, Sep 09, 2013 at 06:23:43AM -0700, Paul E. McKenney wrote:
> And guys, I have to say that the advice on which per-CPU primitive to use
> varies wildly and randomly.  For all I know, each of you individually
> might well be sticking to the same story, but taken together, your
> collective advice is strongly resembling white noise.

Its partly because cl and I disagree on things. He doesn't seem to care
much about validation and believes that people will not make mistakes
with this stuff.

And partly because I didn't get what was going on. While Frederic's
explanation might be correct it was incomprehensible for me.

  reply	other threads:[~2013-09-09 13:37 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-05 19:52 [PATCH] rcu: Is it safe to enter an RCU read-side critical section? Paul E. McKenney
2013-09-05 20:25 ` Steven Rostedt
2013-09-05 20:59   ` Paul E. McKenney
2013-09-05 21:05     ` Paul E. McKenney
2013-09-05 23:40       ` Steven Rostedt
2013-09-06 10:59 ` Frederic Weisbecker
2013-09-06 15:18   ` Paul E. McKenney
2013-09-06 15:33     ` Steven Rostedt
2013-09-06 16:40       ` Frederic Weisbecker
2013-09-06 16:52         ` Steven Rostedt
2013-09-06 16:58           ` Paul E. McKenney
2013-09-06 17:00           ` Frederic Weisbecker
2013-09-06 17:16             ` Steven Rostedt
2013-09-06 17:52               ` Paul E. McKenney
2013-09-06 17:56                 ` Paul E. McKenney
2013-09-06 18:21                 ` Steven Rostedt
2013-09-07  0:49                   ` Paul E. McKenney
2013-09-07  1:19                     ` Mathieu Desnoyers
2013-09-08  1:55                       ` Paul E. McKenney
2013-09-09 10:56                 ` Peter Zijlstra
2013-09-06 17:21     ` Eric Dumazet
2013-09-06 17:41       ` Paul E. McKenney
2013-09-06 18:59         ` Frederic Weisbecker
2013-09-06 20:38           ` Paul E. McKenney
2013-09-09 10:53           ` Peter Zijlstra
2013-09-09 12:13             ` Frederic Weisbecker
2013-09-09 12:39               ` Steven Rostedt
2013-09-09 12:45                 ` Frederic Weisbecker
2013-09-09 12:55                   ` Steven Rostedt
2013-09-09 13:08                     ` Frederic Weisbecker
2013-09-09 13:21                       ` Steven Rostedt
2013-09-09 13:29                         ` Paul E. McKenney
2013-09-09 13:29                         ` Steven Rostedt
2013-09-09 13:37                           ` Peter Zijlstra
2013-09-09 13:48                           ` Paul E. McKenney
2013-09-09 14:40                           ` Frederic Weisbecker
2013-09-09 15:20                             ` Steven Rostedt
2013-09-09 15:39                               ` Steven Rostedt
2013-09-09 16:03                                 ` Frederic Weisbecker
2013-09-09 16:09                               ` Paul E. McKenney
2013-09-09 16:30                                 ` Steven Rostedt
2013-09-09 16:56                                   ` Paul E. McKenney
2013-09-09 16:21                             ` Peter Zijlstra
2013-09-09 13:45                         ` Frederic Weisbecker
2013-09-09 13:56                           ` Paul E. McKenney
2013-09-09 14:16                             ` Steven Rostedt
2013-09-09 16:17                               ` Paul E. McKenney
2013-09-09 16:34                                 ` Steven Rostedt
2013-09-09 16:58                                   ` Paul E. McKenney
2013-09-09 17:06                                     ` Steven Rostedt
2013-09-09 17:45                                       ` Paul E. McKenney
2013-09-09 17:29                                     ` Mathieu Desnoyers
2013-09-09 17:56                                       ` Paul E. McKenney
2013-09-09 18:36                                         ` Steven Rostedt
2013-09-09 18:50                                           ` Paul E. McKenney
2013-09-09 21:40                                         ` Mathieu Desnoyers
2013-09-09 21:59                                           ` Steven Rostedt
2013-09-09 22:34                                             ` Paul E. McKenney
2013-09-11 14:13                                               ` Paul E. McKenney
2013-09-11 14:26                                                 ` Steven Rostedt
2013-09-11 15:23                                                   ` Paul E. McKenney
2013-09-11 15:49                                                     ` Steven Rostedt
2013-09-11 16:03                                                       ` Paul E. McKenney
2013-09-09 13:14                     ` Peter Zijlstra
2013-09-09 13:29                       ` Frederic Weisbecker
2013-09-09 13:41                         ` Steven Rostedt
2013-09-09 13:49                           ` Frederic Weisbecker
2013-09-09 13:50                           ` Paul E. McKenney
2013-09-09 13:46                       ` Paul E. McKenney
2013-09-09 13:55                         ` Steven Rostedt
2013-09-09 16:22                           ` Paul E. McKenney
2013-09-09 16:40                             ` Steven Rostedt
2013-09-09 17:45                               ` Paul E. McKenney
2013-09-09 13:23             ` Paul E. McKenney
2013-09-09 13:36               ` Peter Zijlstra [this message]
2013-09-09 13:53                 ` Paul E. McKenney
2013-09-09 16:18                   ` Peter Zijlstra
2013-09-09 14:49                 ` Christoph Lameter
2013-09-09 15:08                   ` Peter Zijlstra
2013-09-09 15:24                     ` Christoph Lameter
2013-09-09 15:41                       ` Steven Rostedt
2013-09-09 15:47                         ` Steven Rostedt
2013-09-09 16:00                       ` Ingo Molnar
2013-09-09 16:03                         ` Steven Rostedt
2013-09-09 16:11                           ` Ingo Molnar
2013-09-10 21:37                             ` Christoph Lameter
2013-09-12  6:39                               ` Ingo Molnar
2013-09-12 14:20                                 ` Christoph Lameter
2013-09-10 21:28                         ` Christoph Lameter
2013-09-12  6:38                           ` Ingo Molnar
2013-09-12 14:43                             ` Christoph Lameter
2013-09-09 16:15                       ` Peter Zijlstra
2013-09-10  4:07                   ` Mike Galbraith
2013-09-09 13:36               ` Steven Rostedt
2013-09-09 14:21               ` Peter Zijlstra
2013-09-09 16:26                 ` Paul E. McKenney
2013-09-09 16:42                   ` Steven Rostedt
2013-09-09 16:59                     ` Paul E. McKenney

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