From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] net: use synchronize_rcu_expedited() Date: Tue, 24 May 2011 21:44:45 +0200 Message-ID: <1306266285.3305.3.camel@edumazet-laptop> References: <1306228052.3026.16.camel@edumazet-laptop> <20110524154445.GC2266@linux.vnet.ibm.com> <1306252364.3026.63.camel@edumazet-laptop> <20110524192451.GH2266@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: David Miller , netdev To: paulmck@linux.vnet.ibm.com Return-path: Received: from mail-ww0-f42.google.com ([74.125.82.42]:64270 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752371Ab1EXTot (ORCPT ); Tue, 24 May 2011 15:44:49 -0400 Received: by wwk4 with SMTP id 4so2794489wwk.1 for ; Tue, 24 May 2011 12:44:48 -0700 (PDT) In-Reply-To: <20110524192451.GH2266@linux.vnet.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: Le mardi 24 mai 2011 =C3=A0 12:24 -0700, Paul E. McKenney a =C3=A9crit = : > 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= =2E >=20 > Interesting -- I will give this some thought. >=20 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... Thanks