Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030376AbVLNA0A (ORCPT ); Tue, 13 Dec 2005 19:26:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932629AbVLNA0A (ORCPT ); Tue, 13 Dec 2005 19:26:00 -0500 Received: from fmr24.intel.com ([143.183.121.16]:15026 "EHLO scsfmr004.sc.intel.com") by vger.kernel.org with ESMTP id S932625AbVLNAZ7 convert rfc822-to-8bit (ORCPT ); Tue, 13 Dec 2005 19:25:59 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Subject: RE: [patch 2/2] /dev/mem validate mmap requests Date: Tue, 13 Dec 2005 16:25:50 -0800 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [patch 2/2] /dev/mem validate mmap requests Thread-Index: AcYAQNnERyPXZsBBQyuMJYH+MOqxKQAAkXtQ From: "Luck, Tony" To: "Bjorn Helgaas" , , "Andrew Morton" Cc: X-OriginalArrivalTime: 14 Dec 2005 00:25:51.0565 (UTC) FILETIME=[F047C7D0:01C60044] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 701 Lines: 17 > Tony, can you ack/nak this please? It touches both ia64 and generic > code. So if someone tries to mmap a range that spans across more than one EFI memory descriptor, the size will get trimmed back to an EFI memory boundary. Isn't that a problem since 1<