From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765279AbYEESra (ORCPT ); Mon, 5 May 2008 14:47:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763296AbYEESgs (ORCPT ); Mon, 5 May 2008 14:36:48 -0400 Received: from nf-out-0910.google.com ([64.233.182.185]:44782 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763278AbYEESgr (ORCPT ); Mon, 5 May 2008 14:36:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=If6v/ECuGD4za+XeJldw+484qS4w3y42MsLxrQ9766qw8RJrJYqPA2DzCf+iSXC2Bcajkk+zsQJVT70nchmCMzZzaEOQvlZbJIIiO8TUXwuGpkmg1BDIFKjEkFgfPlXvpFB/MOyJWX9F7i9r/ooiJ6LgS2HE9n7NBS2giOAMdFo= Message-ID: Date: Mon, 5 May 2008 15:36:45 -0300 From: "Sergio Luis" To: "Sam Ravnborg" Subject: Re: [PATCH] default to n for GROUP_SCHED and FAIR_GROUP_SCHED Cc: "Ingo Molnar" , "Parag Warudkar" , LKML , "Linus Torvalds" , "akpm@osdl.org" , "Peter Zijlstra" , "Arjan van de Ven" , "Dave Jones" In-Reply-To: <20080505182427.GA2025@uranus.ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <82e4877d0805031742o464dd581wd93173d79705ce0d@mail.gmail.com> <20080504092417.GA3425@elte.hu> <82e4877d0805050814j721ae522k84384df48c9f4336@mail.gmail.com> <20080505171501.GA22332@elte.hu> <20080505182427.GA2025@uranus.ravnborg.org> X-Google-Sender-Auth: 65bc2d82757a98e1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 5, 2008 at 3:24 PM, Sam Ravnborg wrote: > On Mon, May 05, 2008 at 07:15:01PM +0200, Ingo Molnar wrote: > > > > * Parag Warudkar wrote: > > > > > sched-devel does not boot on my machine - stops right after PCI: Not > > > using mmconfig. > > > > > > Here is my config for sched-devel - I did a echo "n" | make oldconfig > > > after copying over the previous config file BTW. Should I try > > > disabling things in config? What's most likely to break boot? (Seems > > > likes there are a lot of significant changes in there.) > > > > every config is supposed to work, but in general you should pick the > > defaults instead of saying 'n' to all questions. As long as every > > question can be answered with an 'enter', this should work: > > > > make oldconfig < /dev/null > > > > this non-interactive 'make oldconfig' will hang with the kconfig tool > > looping infinitely if there's any numeric question that cannot be > > answered via 'enter'. > > > > This is a many years old kconfig bug that is frequently hacked around in > > distro kernel packages but which has been ignored upstream - i've > > attached Fedora's nonint_oldconfig patch from Dave Jones below. (maybe > > Arjan wrote it originally?) > > In latest kbuild.git I've added a new feature. > > make K=.config alldefconfig > > would give you eaxtly what you request here. > K= is used to say where to locate the base-configuration. > > The above will give you a configuration based on your old configuration > with all new options set to default values. > > That could maybe be more intuitive but when you consider it you > could have your base config in many different places. > Like /boot/config-xxx, /proc/config.gz etc. > So allowing the user to specify the base config with K= seems > like an acceptable solution. Can I specify /proc/config.gz (gzipped) in the K parameter? -sergio > > Current version in kbuild.git is broken with respect to make O=... > builds but that will be fixed in an hour or so. > > redhat has the added possibility to list new symbols. > This is not yet included in mainline. > Not that it is difficult - I just need to decide where/how to do it. > > Sam >