Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756392AbYGGW5R (ORCPT ); Mon, 7 Jul 2008 18:57:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754102AbYGGW5G (ORCPT ); Mon, 7 Jul 2008 18:57:06 -0400 Received: from gate.crashing.org ([63.228.1.57]:48286 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754067AbYGGW5E (ORCPT ); Mon, 7 Jul 2008 18:57:04 -0400 Subject: Re: [PATCH 1/2] elf loader support for auxvec base platform string From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org To: Andreas Schwab Cc: Roland McGrath , Nathan Lynch , linuxppc-dev@ozlabs.org, Paul Mackerras , linux-kernel@vger.kernel.org In-Reply-To: References: <20080703234140.GC9594@localdomain> <20080704021929.5E9EF1541F5@magilla.localdomain> <1215409693.8970.79.camel@pasglop> <20080707061811.19989154246@magilla.localdomain> <1215411800.8970.91.camel@pasglop> <20080707063522.5FE55154246@magilla.localdomain> <20080707093151.8798A154246@magilla.localdomain> Content-Type: text/plain Date: Tue, 08 Jul 2008 08:56:33 +1000 Message-Id: <1215471393.8970.157.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.22.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1060 Lines: 26 On Mon, 2008-07-07 at 12:01 +0200, Andreas Schwab wrote: > Roland McGrath writes: > > > There are 32 bits free now. One can anticipate that reassigning a bit > > would come up only after these are exhausted. With prudent use, this > > will take a very long time to happen. Then the oldest CPU type string > > might be retired to reuse its bit. It seems unlikely that there will > > be a single installation (root directory) that really needs to have > > installed both a kernel optimized for the oldest CPU model known and a > > kernel optimized for the newest CPU model known. > > The kernel does not have to come from the same place as the root > filesystem. You may want to run a new kernel with an old filesystem, or > vice-versa. I agree, I'm pretty dubious here... Cheers, Ben. -- 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/