From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.5/8.12.5) with ESMTP id g6MIgIRw001840 for ; Mon, 22 Jul 2002 11:42:19 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.5/8.12.3/Submit) id g6MIgIoG001839 for linux-mips-outgoing; Mon, 22 Jul 2002 11:42:18 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from dea.linux-mips.net (shaft19-f32.dialo.tiscali.de [62.246.19.32]) by oss.sgi.com (8.12.5/8.12.5) with SMTP id g6MIgCRw001830 for ; Mon, 22 Jul 2002 11:42:13 -0700 Received: (from ralf@localhost) by dea.linux-mips.net (8.11.6/8.11.6) id g6MIguv22773; Mon, 22 Jul 2002 20:42:56 +0200 Date: Mon, 22 Jul 2002 20:42:56 +0200 From: Ralf Baechle To: "Maciej W. Rozycki" Cc: "Houten K.H.C. van (Karel)" , linux-mips@oss.sgi.com Subject: Re: DECStation: Support for PMAZ-AA TC SCSI card? Message-ID: <20020722204256.A22770@dea.linux-mips.net> References: <20020722154405.A29300@dea.linux-mips.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from macro@ds2.pg.gda.pl on Mon, Jul 22, 2002 at 07:32:04PM +0200 X-Accept-Language: de,en,fr X-Spam-Status: No, hits=-4.5 required=5.0 tests=IN_REP_TO,SUBJ_ENDS_IN_Q_MARK version=2.20 X-Spam-Level: Sender: owner-linux-mips@oss.sgi.com Precedence: bulk On Mon, Jul 22, 2002 at 07:32:04PM +0200, Maciej W. Rozycki wrote: > > We had some discussion with the IA64 guys at SGI on how to handle this > > kind of I/O ordering issues. We never came to a final conclusion but > > the proposal was the introduction of separate memory barriers macros for > > I/O stuff. Anyway, I think for the moment we should go with your proposal. > > Well, nothing stops code from evolving -- if there is a need for a more > finegrained choice of macros, we may fulfill it, don't we? Frequently a 80% solution is the worst possible because the remaining unsolved 20% are not enough inclination to get things fixed. However in this particular case I agree with you. Ralf