Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932588Ab3COVSs (ORCPT ); Fri, 15 Mar 2013 17:18:48 -0400 Received: from g4t0016.houston.hp.com ([15.201.24.19]:32928 "EHLO g4t0016.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754873Ab3COVSr (ORCPT ); Fri, 15 Mar 2013 17:18:47 -0400 Date: Fri, 15 Mar 2013 15:18:45 -0600 From: Linn Crosetto To: "Moore, Robert" Cc: "rjw@sisk.pl" , "ming.m.lin@intel.com" , "Zheng, Lv" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] acpi: remove length check for large registers Message-ID: <20130315211845.GD10730@oranje.fc.hp.com> References: <1363377367-12813-1-git-send-email-linn@hp.com> <94F2FBAB4432B54E8AACC7DFDE6C92E36F489B66@ORSMSX101.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94F2FBAB4432B54E8AACC7DFDE6C92E36F489B66@ORSMSX101.amr.corp.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 659 Lines: 15 On Fri, Mar 15, 2013 at 08:50:45PM +0000, Moore, Robert wrote: > Can you explain in a bit more detail what brings this up? > > I'm aware of the limitation of the generic address structure, but we are forced by the (current) ACPI specification to use it if it is present for a given register. A system with a GPE block bit_width of 256 triggers it. In this case, the length check can never succeed. Thanks, Linn -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/