From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: SCSI QLA not working on latest *-mm SN2 Date: 21 Sep 2004 12:33:08 -0400 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1095784395.2507.195.camel@mulgrave> References: <20040921162535.GB11446@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from stat16.steeleye.com ([209.192.50.48]:36328 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S267829AbUIUQdf (ORCPT ); Tue, 21 Sep 2004 12:33:35 -0400 In-Reply-To: <20040921162535.GB11446@parcelfarce.linux.theplanet.co.uk> List-Id: linux-scsi@vger.kernel.org To: Matthew Wilcox Cc: Andrew Vasquez , Jesse Barnes , Grant Grundler , pj@sgi.com, SCSI Mailing List , mdr@cthulhu.engr.sgi.com, jeremy@cthulhu.engr.sgi.com, djh@cthulhu.engr.sgi.com, Andrew Morton On Tue, 2004-09-21 at 12:25, Matthew Wilcox wrote: > Configuration writes are not posted. (I/O writes can be posted in the > Host Bridge, but some restrictions apply.) Read transactions (Memory, > I/O, or Configuration) are not posted. Erk, depending on what "some restrictions apply" means, that blows a hole in the idea of using PIO writes to guarantee no posting. James