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From: Nick Bowler <nbowler@elliptictech.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-rt-users@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,
	peterz@infradead.org, rostedt@goodmis.org,
	Valdis.Kletnieks@vt.edu, dhowells@redhat.com,
	edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com,
	sbw@mit.edu, patches@linaro.org
Subject: Re: Does anyone use CONFIG_TINY_PREEMPT_RCU?
Date: Tue, 13 Nov 2012 09:46:20 -0500	[thread overview]
Message-ID: <20121113144620.GA27426@elliptictech.com> (raw)
In-Reply-To: <20121113004906.GA10557@linux.vnet.ibm.com>

On 2012-11-12 16:49 -0800, Paul E. McKenney wrote:
> Hello!
> 
> I know of people using TINY_RCU, TREE_RCU, and TREE_PREEMPT_RCU, but I
> have not heard of anyone using TINY_PREEMPT_RCU for whom TREE_PREEMPT_RCU
> was not a viable option (in contrast, the people running Linux on
> tiny-memmory systems typically use TINY_RCU).  Of course, if no one
> really needs it, the proper thing to do is to remove it.
> 
> So, if you need TINY_PREEMPT_RCU, please let me know.  Otherwise, I will
> remove it, probably in the 3.9 timeframe.

Yes, I use TINY_PREEMPT_RCU on my UP machines.  It is, in fact, the only
option.

Cheers,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

  parent reply	other threads:[~2012-11-13 14:46 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-13  0:49 Does anyone use CONFIG_TINY_PREEMPT_RCU? Paul E. McKenney
2012-11-13  1:12 ` Frederic Weisbecker
2012-11-13  1:17   ` Josh Triplett
2012-11-13  1:34     ` Frederic Weisbecker
2012-11-13  1:42       ` Paul E. McKenney
2012-11-13  1:32   ` Paul E. McKenney
2012-11-13 14:46 ` Nick Bowler [this message]
2012-11-13 17:08   ` Paul E. McKenney
2012-11-13 17:56     ` Nick Bowler
2012-11-13 21:19       ` Paul E. McKenney
2012-11-13 21:47         ` Nick Bowler
2012-11-13 22:25           ` Paul E. McKenney
2012-11-13 22:40             ` Nick Bowler
2012-11-14  0:05               ` Paul E. McKenney
     [not found]             ` <CAGChsmOBB1yFNP5xSa06v+CYn0A=AjcZTyAzL8npWRdNYYLBZA@mail.gmail.com>
2012-11-13 23:04               ` Paul E. McKenney
2012-11-13 20:22 ` Tim Sander
2012-11-13 21:20   ` Paul E. McKenney
2012-11-13 23:32     ` Tim Sander
2012-11-14  0:06       ` Paul E. McKenney
2012-11-14  0:36         ` Josh Triplett
2012-11-14  1:07           ` Paul E. McKenney

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