From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lixom.net (mail.lixom.net [70.86.134.90]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 69901B70FD for ; Sat, 2 Oct 2010 08:03:46 +1000 (EST) Date: Fri, 1 Oct 2010 17:03:43 -0500 From: Olof Johansson To: Benjamin Herrenschmidt Subject: Re: Introduce support for little endian PowerPC Message-ID: <20101001220343.GA10494@lixom.net> References: <1285916771-18033-1-git-send-email-imunsie@au1.ibm.com> <2C5357FA-F87F-457E-B5C1-0DCC5A842DE7@kernel.crashing.org> <1285935283.2463.78.camel@pasglop> <1285966315.2463.141.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1285966315.2463.141.camel@pasglop> Cc: paulus@samba.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Ian Munsie List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, Oct 02, 2010 at 06:51:55AM +1000, Benjamin Herrenschmidt wrote: > On Fri, 2010-10-01 at 12:59 -0500, Kumar Gala wrote: > > I'm not against it, and I agree some of the patches seem like good > > clean up. I'm concerned about this bit rotting pretty quickly. > > Maybe. Most of it doesn't seem to be that bit-rottable. > > The changes to the asm stuff in misc_32.S for example are functions we > never ever touch once written (libgcc replacements) so I don't see them > rotting more with LE support than they did with BE :-) Does KVM/qemu support running LE guest on BE host? That'd help keeping the bitrot lower. :) -Olof From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757118Ab0JAWDo (ORCPT ); Fri, 1 Oct 2010 18:03:44 -0400 Received: from mail.lixom.net ([70.86.134.90]:53319 "EHLO mail.lixom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754951Ab0JAWDn (ORCPT ); Fri, 1 Oct 2010 18:03:43 -0400 Date: Fri, 1 Oct 2010 17:03:43 -0500 From: Olof Johansson To: Benjamin Herrenschmidt Cc: Kumar Gala , linuxppc-dev@lists.ozlabs.org, paulus@samba.org, Ian Munsie , linux-kernel@vger.kernel.org Subject: Re: Introduce support for little endian PowerPC Message-ID: <20101001220343.GA10494@lixom.net> References: <1285916771-18033-1-git-send-email-imunsie@au1.ibm.com> <2C5357FA-F87F-457E-B5C1-0DCC5A842DE7@kernel.crashing.org> <1285935283.2463.78.camel@pasglop> <1285966315.2463.141.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1285966315.2463.141.camel@pasglop> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 02, 2010 at 06:51:55AM +1000, Benjamin Herrenschmidt wrote: > On Fri, 2010-10-01 at 12:59 -0500, Kumar Gala wrote: > > I'm not against it, and I agree some of the patches seem like good > > clean up. I'm concerned about this bit rotting pretty quickly. > > Maybe. Most of it doesn't seem to be that bit-rottable. > > The changes to the asm stuff in misc_32.S for example are functions we > never ever touch once written (libgcc replacements) so I don't see them > rotting more with LE support than they did with BE :-) Does KVM/qemu support running LE guest on BE host? That'd help keeping the bitrot lower. :) -Olof