From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: I/O write ordering Date: Thu, 23 Sep 2004 01:11:03 +1000 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1095865863.6340.7.camel@gaston> References: <1095789421.2467.414.camel@mulgrave> <200409211409.11095.jbarnes@engr.sgi.com> <20040921190625.GB11708@colo.lackof.org> <20040921210341.GC146363@sgi.com> <20040921211108.GA16153@parcelfarce.linux.theplanet.co.uk> <20040921214302.GG146363@sgi.com> <20040922000211.GE16153@parcelfarce.linux.theplanet.co.uk> <20040922011652.GD147856@sgi.com> <20040922014428.GD20053@colo.lackof.org> <20040922025805.GA148414@sgi.com> <20040922143208.GL16153@parcelfarce.linux.theplanet.co.uk> <1095864485.2143.1.camel@mulgrave> <1095864709.6297.5.camel@gaston> <1095865892.1715.5.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from gate.crashing.org ([63.228.1.57]:38866 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S266128AbUIVPPL (ORCPT ); Wed, 22 Sep 2004 11:15:11 -0400 In-Reply-To: <1095865892.1715.5.camel@mulgrave> List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: Matthew Wilcox , Jeremy Higdon , Grant Grundler , Jesse Barnes , Matthew Wilcox , Andrew Vasquez , pj@sgi.com, SCSI Mailing List , mdr@cthulhu.engr.sgi.com, jeremy@cthulhu.engr.sgi.com, djh@cthulhu.engr.sgi.com, Andrew Morton , Richard Henderson , Paul Mackerras > Just to be sure we're talking about the same thing; by cacheable and > non-cacheable are you thinking about what PCI calls consistent and > streaming (because your consistent memory is implemented as > non-cacheable) or is this really the fact that PCI memory space as seen > by the CPU is all uncacheable? Set by the CPU as non-cacheable. Ben.