From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 0222567A39 for ; Tue, 17 May 2005 10:59:29 +1000 (EST) From: Benjamin Herrenschmidt To: "Mark A. Greer" In-Reply-To: <4288DFCB.2080208@mvista.com> References: <1116222720.5095.86.camel@gaston> <7d5cfed0ee1edade8050d2c4da94b3f1@freescale.com> <1116255938.5095.133.camel@gaston> <1116261725.5095.139.camel@gaston> <4288DFCB.2080208@mvista.com> Content-Type: text/plain Date: Tue, 17 May 2005 10:56:17 +1000 Message-Id: <1116291377.5095.150.camel@gaston> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, John Reiser Subject: Re: 2GB address space limit on 32-bit PowerPC Macintosh List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2005-05-16 at 11:00 -0700, Mark A. Greer wrote: > Benjamin Herrenschmidt wrote: > > > > >series are by no mean stable. Embedded code has been rather frozen in > >the rock, I don't think it's much to ask from the appropriate maintainer > >to have a quick look at possibly upgrading their board support as well. > > > > Seems reasonable to me. > > >And it isn't a difficult change for most 6xx/7xx/7xxx based boards > >anyway. > > > > From a quick grep, it looks like apus, gemini, k2, lopec, pplus, prep, > and prpmc800 are the offenders in the 6xx/7xx/74xx world. Does anyone > even care about the lopec and k2 anymore? Note that there is only a problem if those io_block_mapping calls are done to map things in the virtual region between 2G and 3G. If they are done to map things "high" (like 0xf*) they are still fine. Ben.