From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e23smtp04.au.ibm.com", Issuer "GeoTrust SSL CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 95F2B1007D1 for ; Tue, 5 Jul 2011 16:19:04 +1000 (EST) Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [202.81.31.247]) by e23smtp04.au.ibm.com (8.14.4/8.13.1) with ESMTP id p656CovL009164 for ; Tue, 5 Jul 2011 16:12:50 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p656Ha6w1003556 for ; Tue, 5 Jul 2011 16:17:36 +1000 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p656J2dH019561 for ; Tue, 5 Jul 2011 16:19:02 +1000 Message-ID: <4E12ACD2.9050305@in.ibm.com> Date: Tue, 05 Jul 2011 11:48:58 +0530 From: Suzuki Poulose MIME-Version: 1.0 To: LinuxPPC-dev , Josh Boyer , Benjamin Herrenschmidt Subject: Re: [PATCH 1/3] powerpc/47x: allow kernel to be loaded in higher physical memory References: <20110705043657.GF13483@ozlabs.org> In-Reply-To: <20110705043657.GF13483@ozlabs.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 07/05/11 10:06, Tony Breeds wrote: > From: Dave Kleikamp > > The 44x code (which is shared by 47x) assumes the available physical memory > begins at 0x00000000. This is not necessarily the case in an AMP > environment. > > Support CONFIG_RELOCATABLE for 476 in order to allow the kernel to be > loaded into a higher memory range. I think the code assumes, the kernel is loaded in 256M aligned page. You may want to mention that in the description here. Thanks Suzuki