From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6680 invoked by alias); 29 Aug 2006 18:06:56 -0000 Received: (qmail 6667 invoked by uid 22791); 29 Aug 2006 18:06:56 -0000 X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 29 Aug 2006 18:06:49 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k7TI6ldt014219 for ; Tue, 29 Aug 2006 14:06:48 -0400 Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) by int-mx1.corp.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id k7TI6kUE003446; Tue, 29 Aug 2006 14:06:47 -0400 Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.toronto.redhat.com [172.16.14.9]) by pobox.toronto.redhat.com (8.12.8/8.12.8) with ESMTP id k7TI6jCT007218; Tue, 29 Aug 2006 14:06:45 -0400 Received: from ton.toronto.redhat.com (ton.toronto.redhat.com [172.16.14.15]) by touchme.toronto.redhat.com (Postfix) with ESMTP id A0750800002; Tue, 29 Aug 2006 14:06:45 -0400 (EDT) Received: from ton.toronto.redhat.com (localhost.localdomain [127.0.0.1]) by ton.toronto.redhat.com (8.13.1/8.13.1) with ESMTP id k7TI6jJ1002081; Tue, 29 Aug 2006 14:06:45 -0400 Received: (from fche@localhost) by ton.toronto.redhat.com (8.13.1/8.13.1/Submit) id k7TI6jUn002080; Tue, 29 Aug 2006 14:06:45 -0400 Date: Tue, 29 Aug 2006 18:06:00 -0000 From: "Frank Ch. Eigler" To: Dave Brolley Cc: sid@sources.redhat.com Subject: Re: [patch][commit] Base address for hw-glue-probe-bus Message-ID: <20060829180645.GE24243@redhat.com> References: <44F47F8D.6040108@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <44F47F8D.6040108@redhat.com> User-Agent: Mutt/1.4.1i X-IsSubscribed: yes Mailing-List: contact sid-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: sid-owner@sourceware.org X-SW-Source: 2006-q3/txt/msg00036.txt.bz2 Hi - > The address which is driven on the "address" pin of hw-glue-probe-bus is > the one which comes in on the "upstream" bus. This is OK if the probe > bus is at the top of the memory heirarchy, but not so useful if it is, > for example, between a mapper and a memory component. [...] This sacrifices reusability of such a probe component in a multiply-connected bus topology (having multiple incoming mappings on the same upstream bus). To do this without would require more "wiring", like putting the bus-probe between the transparent mapper and a similarly configured normal one. - FChE