From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
jiangshanlai@gmail.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, rostedt@goodmis.org,
dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com,
oleg@redhat.com
Subject: Re: [PATCH tip/core/rcu 1/9] rcu: Provide GP ordering in face of migrations and delays
Date: Thu, 5 Oct 2017 18:25:14 +0200 [thread overview]
Message-ID: <20171005162514.moaa24mn2pkto5fv@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20171005161909.GS3521@linux.vnet.ibm.com>
On Thu, Oct 05, 2017 at 09:19:09AM -0700, Paul E. McKenney wrote:
>
> Yes, the ordering does need to be visible to uninvolved CPUs, so
> release-acquire is not necessarily strong enough.
Why? Because I'm not at all seeing why it needs more. Your Changelog
doesn't provide enough hints.
next prev parent reply other threads:[~2017-10-05 16:25 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-04 21:29 [PATCH tip/core/rcu 0/9] Miscellaneous fixes for v4.15 Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 1/9] rcu: Provide GP ordering in face of migrations and delays Paul E. McKenney
2017-10-05 9:41 ` Peter Zijlstra
2017-10-05 14:55 ` Paul E. McKenney
2017-10-05 15:39 ` Peter Zijlstra
2017-10-05 16:19 ` Paul E. McKenney
2017-10-05 16:25 ` Peter Zijlstra [this message]
2017-10-05 18:22 ` Paul E. McKenney
2017-10-06 9:07 ` Peter Zijlstra
2017-10-06 19:18 ` Paul E. McKenney
2017-10-06 20:15 ` Peter Zijlstra
2017-10-07 3:31 ` Paul E. McKenney
2017-10-07 9:29 ` Peter Zijlstra
2017-10-07 18:28 ` Paul E. McKenney
2017-10-09 8:16 ` Peter Zijlstra
2017-10-09 14:37 ` Andrea Parri
2017-10-09 23:15 ` Paul E. McKenney
2017-10-05 13:17 ` Steven Rostedt
2017-10-05 13:40 ` Peter Zijlstra
2017-10-05 14:13 ` Steven Rostedt
2017-10-04 21:29 ` [PATCH tip/core/rcu 2/9] rcu: Fix up pending cbs check in rcu_prepare_for_idle Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 3/9] rcu: Create call_rcu_tasks() kthread at boot time Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 4/9] irq_work: Map irq_work_on_queue() to irq_work_on() in !SMP Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 5/9] srcu: Add parameters to SRCU docbook comments Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 6/9] sched: Make resched_cpu() unconditional Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 7/9] rcu: Pretend ->boost_mtx acquired legitimately Paul E. McKenney
2017-10-05 9:50 ` Peter Zijlstra
2017-10-05 15:06 ` Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 8/9] rcu: Add extended-quiescent-state testing advice Paul E. McKenney
2017-10-04 21:29 ` [PATCH tip/core/rcu 9/9] rcu/segcblist: Include rcupdate.h Paul E. McKenney
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