From: Yinghai Lu <yinghai@kernel.org>
To: paulmck@linux.vnet.ibm.com
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: [GIT PULL rcu/next] rcu commits for 2.6.40
Date: Sat, 14 May 2011 21:14:26 -0700 [thread overview]
Message-ID: <4DCF5322.7030305@kernel.org> (raw)
In-Reply-To: <20110514183453.GA32756@linux.vnet.ibm.com>
On 05/14/2011 11:34 AM, Paul E. McKenney wrote:
>> and do the inspection afterwards.
>
> And here is a lightly-tested patch, which applies on tip/core/rcu.
>
> This problem could account for both the long delays seen with e59fb312
> (Decrease memory-barrier usage based on semi-formal proof) and the
> shorter delays seen with a26ac245 (move TREE_RCU from softirq to kthread).
yes. it fixes the problem.
for 1024g system when hotadd mem enabled in kernel config
[ 31.814803] cpu_dev_init done
[ 35.437163] memory_dev_init done
even it is with gcc from opensuse 11.3
Thanks
Yinghai
next prev parent reply other threads:[~2011-05-15 4:15 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-08 15:18 [GIT PULL rcu/next] rcu commits for 2.6.40 Paul E. McKenney
2011-05-09 7:36 ` Ingo Molnar
2011-05-09 21:09 ` Yinghai Lu
2011-05-10 8:56 ` Paul E. McKenney
2011-05-10 9:37 ` Ingo Molnar
2011-05-10 18:04 ` Yinghai Lu
2011-05-10 19:32 ` Paul E. McKenney
2011-05-10 20:52 ` Yinghai Lu
2011-05-11 4:54 ` Paul E. McKenney
2011-05-11 6:03 ` Yinghai Lu
2011-05-11 6:42 ` Yinghai Lu
2011-05-11 20:13 ` Paul E. McKenney
2011-05-11 16:54 ` Yinghai Lu
2011-05-11 16:56 ` Yinghai Lu
2011-05-11 20:18 ` Paul E. McKenney
2011-05-11 20:59 ` Yinghai Lu
2011-05-11 21:30 ` Yinghai Lu
2011-05-11 23:02 ` Yinghai Lu
2011-05-12 6:03 ` Ingo Molnar
2011-05-12 7:27 ` Yinghai Lu
2011-05-12 7:42 ` Yinghai Lu
2011-05-12 9:20 ` Paul E. McKenney
2011-05-12 17:31 ` Yinghai Lu
2011-05-12 21:36 ` Yinghai Lu
2011-05-13 1:28 ` Yinghai Lu
2011-05-13 8:42 ` Ingo Molnar
2011-05-13 12:19 ` Ingo Molnar
2011-05-13 13:04 ` Ingo Molnar
2011-05-13 13:12 ` Ingo Molnar
2011-05-13 14:14 ` Paul E. McKenney
2011-05-13 15:07 ` Ingo Molnar
2011-05-13 16:26 ` Paul E. McKenney
2011-05-16 7:08 ` Ingo Molnar
2011-05-16 7:48 ` Paul E. McKenney
2011-05-16 11:51 ` Ingo Molnar
2011-05-16 12:23 ` Ingo Molnar
2011-05-16 14:30 ` Ingo Molnar
2011-05-16 21:33 ` Paul E. McKenney
2011-05-16 22:07 ` Paul E. McKenney
2011-05-16 21:24 ` Paul E. McKenney
2011-05-16 23:52 ` Frederic Weisbecker
2011-05-17 2:40 ` Frederic Weisbecker
2011-05-17 7:53 ` Paul E. McKenney
2011-05-17 12:43 ` Frederic Weisbecker
2011-05-17 22:21 ` Paul E. McKenney
2011-05-18 21:10 ` Yinghai Lu
2011-05-18 23:13 ` Frederic Weisbecker
2011-05-19 4:33 ` Yinghai Lu
2011-05-19 14:47 ` Frederic Weisbecker
2011-05-19 19:51 ` Yinghai Lu
2011-05-19 21:15 ` Frederic Weisbecker
2011-05-19 21:45 ` Yinghai Lu
2011-05-20 0:09 ` [PATCH] rcu: Fix unpaired rcu_irq_enter() from locking selftests Frederic Weisbecker
2011-05-20 8:36 ` Ingo Molnar
2011-05-20 15:12 ` Paul E. McKenney
2011-05-20 15:11 ` Paul E. McKenney
2011-05-20 0:14 ` [GIT PULL rcu/next] rcu commits for 2.6.40 Frederic Weisbecker
2011-05-13 14:40 ` Ingo Molnar
2011-05-13 16:38 ` Paul E. McKenney
2011-05-16 7:10 ` Ingo Molnar
2011-05-13 21:08 ` Yinghai Lu
2011-05-14 14:26 ` Paul E. McKenney
2011-05-14 15:31 ` Paul E. McKenney
2011-05-14 18:34 ` Paul E. McKenney
2011-05-15 3:59 ` Yinghai Lu
2011-05-15 4:14 ` Yinghai Lu [this message]
2011-05-15 5:41 ` Yinghai Lu
2011-05-15 5:49 ` Yinghai Lu
2011-05-15 6:04 ` Paul E. McKenney
2011-05-15 6:59 ` Paul E. McKenney
2011-05-16 7:08 ` Paul E. McKenney
2011-05-16 7:39 ` Ingo Molnar
2011-05-15 6:01 ` Paul E. McKenney
2011-05-15 22:01 ` Frederic Weisbecker
2011-05-16 5:56 ` Paul E. McKenney
2011-05-16 22:40 ` Frederic Weisbecker
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