Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757012AbYBYVST (ORCPT ); Mon, 25 Feb 2008 16:18:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750778AbYBYVSL (ORCPT ); Mon, 25 Feb 2008 16:18:11 -0500 Received: from terminus.zytor.com ([198.137.202.10]:35254 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750743AbYBYVSK (ORCPT ); Mon, 25 Feb 2008 16:18:10 -0500 Message-ID: <47C3306E.8060401@zytor.com> Date: Mon, 25 Feb 2008 13:17:34 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Alexander van Heukelum CC: Ingo Molnar , Andi Kleen , Thomas Gleixner , LKML , Alexander van Heukelum Subject: Re: [PATCH] reserve_early end-of-conventional-memory to 1MB References: <20080224174605.GA21661@mailshack.com> <47C22568.1010405@zytor.com> <1203958478.20033.1239002461@webmail.messagingengine.com> <20080225170134.GA15839@elte.hu> <20080225180750.GA31054@mailshack.com> <47C3053D.5060504@zytor.com> <1203968796.24935.1239027765@webmail.messagingengine.com> In-Reply-To: <1203968796.24935.1239027765@webmail.messagingengine.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1048 Lines: 25 Alexander van Heukelum wrote: > > Hello hpa, > > I failed to find a comment referring to 0x413 or int 0x12 in > arch/x86/kernel. I do know the comment in Documentation/i386/boot.txt, > however, suggesting that "INT 12h" _should_ be used, but that it would > be pointless for zImage and old bzImage kernels, because they _have_ > to be started from 0x90000 anyway. New bzImage kernels do not have > this limitation, and smart bootloaders simply put them at much > lower addresses, like 0x40000. (I know: you know.) My point is just > that the argument not to use 0x413 in the bootloader is not valid > for this case. > OK, let me see if I can dig up the comment I thought I found at one point, and maybe found out the history behind it. Either that, or find out that my memory is faulty ;) -hpa -- 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/