From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] net: use synchronize_rcu_expedited()
Date: Tue, 24 May 2011 12:56:44 -0700 [thread overview]
Message-ID: <20110524195644.GI2266@linux.vnet.ibm.com> (raw)
In-Reply-To: <1306266285.3305.3.camel@edumazet-laptop>
On Tue, May 24, 2011 at 09:44:45PM +0200, Eric Dumazet wrote:
> Le mardi 24 mai 2011 à 12:24 -0700, Paul E. McKenney a écrit :
>
> > Might make sense, though most of the gains would need to come from
> > kicking the grace-period machinery hard in order to make it go faster.
> >
> > Interesting -- I will give this some thought.
>
> I am working on a final step, using a workqueue so that the
> rcu_barrier() is not done under RTNL, so it wont be anymore a blocking
> point to dismantle hundred of devices per second...
OK, I will keep rcu_barrier_expedited() on the "might be useful list",
but will keep to the current plan: finishing up rough edges on RCU
priority boosting, merging SRCU into TREE_RCU and TINY_RCU, and so forth.
But let me know if you do need it.
Thanx, Paul
next prev parent reply other threads:[~2011-05-24 19:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 9:07 [PATCH] net: use synchronize_rcu_expedited() Eric Dumazet
2011-05-24 15:44 ` Paul E. McKenney
2011-05-24 15:52 ` Eric Dumazet
2011-05-24 19:24 ` Paul E. McKenney
2011-05-24 19:44 ` Eric Dumazet
2011-05-24 19:56 ` Paul E. McKenney [this message]
2011-05-24 17:28 ` David Miller
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