linux-kernel - Re: [PATCH tip/core/rcu 0/17] RCU-tasks implementation for 3.18

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Message-ID: <20140919155413.GC4723@linux.vnet.ibm.com>
Date:	Fri, 19 Sep 2014 08:54:13 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, rostedt@...dmis.org,
	dhowells@...hat.com, edumazet@...gle.com, dvhart@...ux.intel.com,
	fweisbec@...il.com, oleg@...hat.com, bobby.prani@...il.com
Subject: Re: [PATCH tip/core/rcu 0/17] RCU-tasks implementation for 3.18

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

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