From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH] ACPI: Implement overriding of arbitrary ACPI tables via initrd Date: Fri, 23 Mar 2012 21:40:43 -0700 Message-ID: <4F6D504B.4000101@zytor.com> References: <1332512984-79664-1-git-send-email-trenn@suse.de> <201203240242.07724.trenn@suse.de> <4F6D2AF8.3070707@zytor.com> <201203240402.38749.trenn@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:59636 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751651Ab2CXElH (ORCPT ); Sat, 24 Mar 2012 00:41:07 -0400 In-Reply-To: <201203240402.38749.trenn@suse.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Thomas Renninger Cc: eric.piel@tremplin-utc.net, vojcek@tlen.pl, dsdt@gaugusch.at, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, Lin Ming , lenb@kernel.org, robert.moore@intel.com, Al Viro On 03/23/2012 08:02 PM, Thomas Renninger wrote: > Whatabout Multiboot(2): > http://en.wikipedia.org/wiki/Multiboot_Specification > http://www.gnu.org/software/grub/manual/multiboot/multiboot.html > > They do it similar to 2, but without specifying the data of the > files like you do with type. > > It's a bigger thing, but I could imagine there are some guys who would > be willing to give it a try. I remember I googled a multiboot patch > which got submitted to lkml long time ago. > > It has it pros and cons, but should show up in such a discussion. > Unfortunately Multiboot is defective in way too many ways, beginning with its insistence of entering past the firmware point of no return, which means the bootloader has to do a lot of work (this has been proven to be a nonworkable solution) and no support for relocation. So that is not an option. -hpa