From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [PATCH 38 of 39] IB/ipath - More changes to support InfiniPath on PowerPC 970 systems Date: Fri, 07 Jul 2006 09:39:05 +1000 Message-ID: <1152229145.9862.21.camel@localhost.localdomain> References: <1152225421.9862.12.camel@localhost.localdomain> <1152228867.24748.3.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: akpm@osdl.org, rdreier@cisco.com, mst@mellanox.co.il, openib-general@openib.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Return-path: Received: from gate.crashing.org ([63.228.1.57]:59623 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S1751052AbWGFXlk (ORCPT ); Thu, 6 Jul 2006 19:41:40 -0400 To: "Bryan O'Sullivan" In-Reply-To: <1152228867.24748.3.camel@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 2006-07-06 at 16:34 -0700, Bryan O'Sullivan wrote: > On Fri, 2006-07-07 at 08:37 +1000, Benjamin Herrenschmidt wrote: > > > > +int ipath_unordered_wc(void) > > > +{ > > > + return 1; > > > +} > > > > How is the above providing any kind of serialisation ? > > It's not intended to; it tells the *caller* whether to do it. Ah ok. What barrier do you use for that ? Ben.