From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755176AbaGKT2t (ORCPT ); Fri, 11 Jul 2014 15:28:49 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:38054 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754071AbaGKT2r (ORCPT ); Fri, 11 Jul 2014 15:28:47 -0400 Date: Fri, 11 Jul 2014 21:28:45 +0200 From: Pavel Machek To: Aaro Koskinen Cc: Pali =?iso-8859-1?Q?Roh=E1r?= , Rob Herring , Ivaylo Dimitrov , Russell King , Sebastian Reichel , Will Deacon , "linux-kernel@vger.kernel.org" , Santosh Shilimkar , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible Message-ID: <20140711192845.GB20015@amd.pavel.ucw.cz> References: <1403110464-29646-1-git-send-email-pali.rohar@gmail.com> <201406182122.29623@pali> <20140618211038.GD558@drone.musicnaut.iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140618211038.GD558@drone.musicnaut.iki.fi> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 2014-06-19 00:10:39, Aaro Koskinen wrote: > Hi, > > On Wed, Jun 18, 2014 at 09:22:29PM +0200, Pali Rohár wrote: > > So without this patch DT migration for Nokia N900 cannot be done > > without breaking userspace - which is not acceptable... > > I guess the fact is that the Nokia N900 proprietary userspace has > never worked properly with the mainline kernel without severe patching, > so you cannot really talk about any regression. If you cannot fix > those programs, you could still probably emulate the old Nokia kernel's > /proc/cpuinfo by providing some text file and bind mounting it, no? Actually, yes, it worked pretty well with some close-to-mainline kernels. And bind-mount on /proc/cpuinfo is beyond ugly, don't you think? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html