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From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Joel Fernandes <joel@joelfernandes.org>,
	linux-kernel@vger.kernel.org, Boqun Feng <boqun.feng@gmail.com>,
	Byungchul Park <byungchul.park@lge.com>,
	Ingo Molnar <mingo@redhat.com>, Julia Cartwright <julia@ni.com>,
	linux-kselftest@vger.kernel.org,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Paul McKenney <paulmck@linux.vnet.ibm.com>,
	Thomas Glexiner <tglx@linutronix.de>,
	Tom Zanussi <tom.zanussi@linux.intel.com>
Subject: Re: [PATCH v9 4/7] tracepoint: Make rcuidle tracepoint callers use SRCU
Date: Wed, 11 Jul 2018 11:26:59 -0400	[thread overview]
Message-ID: <20180711112659.366ec453@gandalf.local.home> (raw)
In-Reply-To: <20180711151751.GI2476@hirez.programming.kicks-ass.net>

On Wed, 11 Jul 2018 17:17:51 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

> I just read the comment that goes with that function; the order doesn't
> matter. All we want to ensure is that the unregistration is visible to
> either sched or srcu tracepoint users.

Yeah, but I think it is still good to change the order. It doesn't
hurt, and in my opinion makes the code a bit more robust.

-- Steve

  reply	other threads:[~2018-07-11 15:27 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-28 18:21 [PATCH v9 0/7] Centralize and unify usage of preempt/irq tracepoints Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 1/7] srcu: Add notrace variants of srcu_read_{lock,unlock} Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 2/7] srcu: Add notrace variant of srcu_dereference Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 3/7] trace/irqsoff: Split reset into separate functions Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 4/7] tracepoint: Make rcuidle tracepoint callers use SRCU Joel Fernandes
2018-07-11 12:49   ` Peter Zijlstra
2018-07-11 13:00     ` Steven Rostedt
2018-07-11 14:27       ` Paul E. McKenney
2018-07-11 14:46         ` Steven Rostedt
2018-07-11 15:15           ` Paul E. McKenney
2018-07-11 20:56             ` Joel Fernandes
2018-07-12  1:22               ` Steven Rostedt
2018-07-12  2:35                 ` Joel Fernandes
2018-07-11 20:52           ` Joel Fernandes
2018-07-12  3:21             ` Steven Rostedt
2018-07-12  4:28               ` Joel Fernandes
2018-07-12 13:35                 ` Steven Rostedt
2018-07-12 19:17                   ` Joel Fernandes
2018-07-12 20:15                     ` Steven Rostedt
2018-07-12 20:29                       ` Joel Fernandes
2018-07-12 20:31                         ` Steven Rostedt
2018-07-11 12:53   ` Peter Zijlstra
2018-07-12  2:32     ` Joel Fernandes
2018-07-11 12:56   ` Peter Zijlstra
2018-07-11 13:06     ` Steven Rostedt
2018-07-11 15:17       ` Peter Zijlstra
2018-07-11 15:26         ` Steven Rostedt [this message]
2018-07-11 16:46           ` Mathieu Desnoyers
2018-07-11 16:40         ` Mathieu Desnoyers
2018-07-12  0:31       ` Joel Fernandes
2018-07-12  1:26         ` Steven Rostedt
2018-06-28 18:21 ` [PATCH v9 5/7] tracing: Centralize preemptirq tracepoints and unify their usage Joel Fernandes
2018-07-06 22:06   ` Steven Rostedt
2018-07-07  4:20     ` Joel Fernandes
2018-07-10 14:20   ` Steven Rostedt
2018-07-10 17:33     ` Joel Fernandes
2018-07-11 13:12   ` Peter Zijlstra
2018-07-11 13:19     ` Steven Rostedt
2018-07-11 13:22       ` Steven Rostedt
2018-07-12  8:38       ` Joel Fernandes
2018-07-12 13:37         ` Steven Rostedt
2018-07-12  0:44     ` Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 6/7] lib: Add module to simulate atomic sections for testing preemptoff tracers Joel Fernandes
2018-07-11  0:47   ` Steven Rostedt
2018-07-11  5:26     ` Joel Fernandes
2018-06-28 18:21 ` [PATCH v9 7/7] kselftests: Add tests for the preemptoff and irqsoff tracers Joel Fernandes
2018-07-11  0:49   ` Steven Rostedt
2018-07-11  5:27     ` Joel Fernandes
2018-07-03 14:15 ` [PATCH v9 0/7] Centralize and unify usage of preempt/irq tracepoints Joel Fernandes
2018-07-03 14:23   ` Steven Rostedt
  -- strict thread matches above, loose matches on Subject: below --
2018-06-21 22:32 Joel Fernandes
2018-06-21 22:32 ` [PATCH v9 4/7] tracepoint: Make rcuidle tracepoint callers use SRCU Joel Fernandes
2018-06-07 20:38 [PATCH v9 0/7] Centralize and unify usage of preempt/irq Joel Fernandes
2018-06-07 20:38 ` [PATCH v9 4/7] tracepoint: Make rcuidle tracepoint callers use SRCU Joel Fernandes

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