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 ESMTPS id 6F106DDE31 for ; Fri, 10 Oct 2008 12:23:07 +1100 (EST) Message-Id: <68168CE9-D17F-4C55-BF0B-0FAFC3672398@kernel.crashing.org> From: Kumar Gala To: Paul Mackerras In-Reply-To: <18670.42312.827841.167852@cargo.ozlabs.ibm.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Mime-Version: 1.0 (Apple Message framework v929.2) Subject: Re: [PATCH] powerpc: remove default=y from PMAC and CHRP Kconfigs Date: Thu, 9 Oct 2008 20:22:24 -0500 References: <1223495845-14149-1-git-send-email-timur@freescale.com> <1223496186.8157.82.camel@pasglop> <1223498380.8157.86.camel@pasglop> <48ED1B9E.3020907@freescale.com> <48EE2A49.10405@genesi-usa.com> <18670.42312.827841.167852@cargo.ozlabs.ibm.com> Cc: linuxppc-dev@ozlabs.org, Timur Tabi List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Oct 9, 2008, at 7:43 PM, Paul Mackerras wrote: > Timur Tabi writes: > >> I'm waiting for someone to explain to me what's so special about CHRP >> and PMAC that these two platforms should be enabled by default, when >> all other PowerPC platforms are disabled by default. > > Historically they have been the most important 32-bit platforms, along > with PReP. > > The problem with making all platforms default to N is that if you take > the default values for all config options you end up with a config > that won't build. So we want at least one platform to default to Y, > and pmac has been as good a choice as any for that (and probably still > is). I've got no issue w/grandfathering CHRP or PMAC as default Y. However I DO NOT think we should default other platforms to 'Y' as that means updating configs will pick up platforms they dont want. - k