From owner-freebsd-hackers@FreeBSD.ORG Sun Jun 27 21:39:49 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 78A4816A4CE for ; Sun, 27 Jun 2004 21:39:49 +0000 (GMT) Received: from hotmail.com (bay22-f21.bay22.hotmail.com [64.4.16.71]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6561143D31 for ; Sun, 27 Jun 2004 21:39:49 +0000 (GMT) (envelope-from tobe_better@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 27 Jun 2004 14:41:59 -0700 Received: from 195.229.241.182 by by22fd.bay22.hotmail.msn.com with HTTP; Sun, 27 Jun 2004 21:41:59 GMT X-Originating-IP: [195.229.241.182] X-Originating-Email: [tobe_better@hotmail.com] X-Sender: tobe_better@hotmail.com From: "Auge Mike" To: freebsd-hackers@freebsd.org Date: Mon, 28 Jun 2004 01:41:59 +0400 Mime-Version: 1.0 Content-Type: text/plain; format=flowed Message-ID: X-OriginalArrivalTime: 27 Jun 2004 21:41:59.0781 (UTC) FILETIME=[937E1950:01C45C8F] X-Mailman-Approved-At: Tue, 29 Jun 2004 12:29:08 +0000 Subject: PCI memory alloc..! X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Jun 2004 21:39:49 -0000 Hi all, While I was trying to track to find out how a device alloc a new memory resource, I have been little confused on finding out how the new PCI device can deal with a case when the activation calls pmap_mapdev???? What I need to understand that what will happen if pmap_mapdev allocated a new space that dose not match what is expected by the device and determined by r_start and r_end ?? Yours, _________________________________________________________________ Tired of spam? Get advanced junk mail protection with MSN 8. http://join.msn.com/?page=features/junkmail