From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
laijs@cn.fujitsu.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, dvhart@linux.intel.com,
fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com
Subject: Re: [PATCH tip/core/rcu 0/17] RCU-tasks implementation for 3.18
Date: Fri, 19 Sep 2014 08:54:13 -0700 [thread overview]
Message-ID: <20140919155413.GC4723@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140918222246.GD2832@worktop.localdomain>
On Fri, Sep 19, 2014 at 12:22:46AM +0200, Peter Zijlstra wrote:
>
> Looks ok I suppose, Thanks for the last two patches. I started one that
> moved the local_irq_disable() around, but this is nicer.
Glad you like them! ;-)
Longer term, I am thinking in terms of building on your earlier idle-loop
patches to make RCU-tasks handle idle tasks in a nice way.
And I do have a commit queued to reduce the idle wakeups caused by
synchronize_sched_expedited(), hopefully for 3.19.
Thanx, Paul
prev parent reply other threads:[~2014-09-19 15:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-28 19:19 [PATCH tip/core/rcu 0/17] RCU-tasks implementation for 3.18 Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 01/17] rcu: Add call_rcu_tasks() Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 02/17] rcu: Provide cond_resched_rcu_qs() to force quiescent states in long loops Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 03/17] rcu: Add synchronous grace-period waiting for RCU-tasks Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 04/17] rcu: Make TASKS_RCU handle tasks that are almost done exiting Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 05/17] rcu: Export RCU-tasks APIs to GPL modules Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 06/17] rcutorture: Add torture tests for RCU-tasks Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 07/17] rcutorture: Add RCU-tasks test cases Paul E. McKenney
2014-08-28 19:19 ` [PATCH v7 tip/core/rcu 08/17] rcu: Add stall-warning checks for RCU-tasks Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 09/17] rcu: Improve RCU-tasks energy efficiency Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 10/17] documentation: Add verbiage on RCU-tasks stall warning messages Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 11/17] rcu: Defer rcu_tasks_kthread() creation till first call_rcu_tasks() Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 12/17] rcu: Make TASKS_RCU handle nohz_full= CPUs Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 13/17] rcu: Make rcu_tasks_kthread()'s GP-wait loop allow preemption Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 14/17] rcu: Remove redundant preempt_disable() from rcu_note_voluntary_context_switch() Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 15/17] rcu: Additional information on RCU-tasks stall-warning messages Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 16/17] rcu: Remove local_irq_disable() in rcu_preempt_note_context_switch() Paul E. McKenney
2014-08-28 19:20 ` [PATCH v7 tip/core/rcu 17/17] rcu: Per-CPU operation cleanups to rcu_*_qs() functions Paul E. McKenney
2014-09-18 22:22 ` [PATCH tip/core/rcu 0/17] RCU-tasks implementation for 3.18 Peter Zijlstra
2014-09-19 15:54 ` Paul E. McKenney [this message]
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