From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCHv7 2/2] memory barrier: adding smp_mb__after_lock Date: Thu, 09 Jul 2009 17:08:11 -0700 (PDT) Message-ID: <20090709.170811.21077750.davem@davemloft.net> References: <20090708220717.GB2945@jolsa.redhat.com> <20090708221031.GD2945@jolsa.redhat.com> <4A557153.8000108@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: jolsa@redhat.com, netdev@vger.kernel.org, mathieu.desnoyers@polymtl.ca, mingo@elte.hu, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, fbl@redhat.com, nhorman@redhat.com, htejun@gmail.com, jarkao2@gmail.com, oleg@redhat.com, davidel@xmailserver.org To: eric.dumazet@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:38866 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751873AbZGJAII convert rfc822-to-8bit (ORCPT ); Thu, 9 Jul 2009 20:08:08 -0400 In-Reply-To: <4A557153.8000108@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Eric Dumazet Date: Thu, 09 Jul 2009 06:25:55 +0200 > Jiri Olsa a =E9crit : >> Adding smp_mb__after_lock define to be used as a smp_mb call after >> a lock. >>=20 >> Making it nop for x86, since {read|write|spin}_lock() on x86 are >> full memory barriers. >>=20 >> wbr, >> jirka >>=20 >>=20 >> Signed-off-by: Jiri Olsa >=20 > Signed-off-by: Eric Dumazet Also applied, thanks everyone!