From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Freeing ACPI tables after parsing Date: Wed, 23 Aug 2006 10:18:42 +0200 Message-ID: <200608231018.42285.ak@suse.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from cantor.suse.de ([195.135.220.2]:58038 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932402AbWHWISz (ORCPT ); Wed, 23 Aug 2006 04:18:55 -0400 In-Reply-To: Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Moore, Robert" Cc: Alexey Starikovskiy , Len Brown , linux-acpi@vger.kernel.org, Natalie.Protasevich@unisys.com On Tuesday 22 August 2006 22:28, Moore, Robert wrote: > > Actually FACS table has a global_lock in it (which the BIOS writes > too), > > so it is not movable, > > and as all tables are laid contiguously in physical memory, moving > some > > and > > leaving FACS is not an option. > > This is a very good point. The Global_Lock field of the FACS is not a > pointer to the global lock, it is the actual memory location of the > lock. Therefore, the FACS can only be mapped, it cannot be copied. Ok. I will fix the e820.h comments then because they're wrong. -Andi