From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC,PATCH] Cleanup PC parallel port Kconfig Date: Tue, 14 Jun 2011 22:43:43 -0700 Message-ID: <4DF8468F.1080806@zytor.com> References: <20110614190850.GA13526@linux-mips.org> <4DF7C3CA.9050902@zytor.com> <20110614223404.GA30057@linux-mips.org> <4DF8329C.7000904@zytor.com> <20110615044016.GC10553@ericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110615044016.GC10553@ericsson.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Guenter Roeck Cc: "linux-mips@linux-mips.org" , "linux-m68k@vger.kernel.org" , "linux-ia64@vger.kernel.org" , "linux-sh@vger.kernel.org" , Benjamin Herrenschmidt , Chen Liqin , Paul Mackerras , "sparclinux@vger.kernel.org" , Guan Xuetao , Lennox Wu , "linux-arch@vger.kernel.org" , Jesper Nilsson , Russell King , Yoshinori Sato , Helge Deller , "x86@kernel.org" , "James E.J. Bottomley" , Ingo Molnar , Geert Uytterhoeven , Matt Turner On 06/14/2011 09:40 PM, Guenter Roeck wrote: > On Wed, Jun 15, 2011 at 12:18:36AM -0400, H. Peter Anvin wrote: >> On 06/14/2011 03:34 PM, Ralf Baechle wrote: >>> >>> There is no point in offering to build something that couldn't possibly be >>> used. It just makes the kernel harder to configure and inflates the test >>> matrix for no good reason. >>> >> >> I see... that's why a bunch of devices that only exist on ARM and MIPS >> SoCs are offered on x86 platforms? >> > http://en.wikipedia.org/wiki/Two_wrongs_make_a_right > Except in this case it's not wrong. It was done that way because it was discovered a long time ago that restricting drivers that were not *inherently* limited to specific platform just resulted in more bitrot and nasty surprises for the users who *did* need specific things after all, even though the maintainers had not thought so. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 15 Jun 2011 07:44:37 +0200 (CEST) Received: from terminus.zytor.com ([198.137.202.10]:38916 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1490982Ab1FOFoa (ORCPT ); Wed, 15 Jun 2011 07:44:30 +0200 Received: from tazenda.hos.anvin.org ([IPv6:2001:470:861f:0:e269:95ff:fe35:9f3c]) (authenticated bits=0) by mail.zytor.com (8.14.4/8.14.4) with ESMTP id p5F5hnAj000560 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 14 Jun 2011 22:43:52 -0700 Message-ID: <4DF8468F.1080806@zytor.com> Date: Tue, 14 Jun 2011 22:43:43 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 MIME-Version: 1.0 To: Guenter Roeck CC: Ralf Baechle , "linux-arch@vger.kernel.org" , Benjamin Herrenschmidt , Chen Liqin , Chris Metcalf , Chris Zankel , "David S. Miller" , Fenghua Yu , Geert Uytterhoeven , Guan Xuetao , Helge Deller , Ingo Molnar , Ivan Kokshaysky , "James E.J. Bottomley" , Jesper Nilsson , Kyle McMartin , Lennox Wu , Matt Turner , Michal Simek , Mikael Starvik , Paul Mackerras , Paul Mundt , Richard Henderson , Russell King , "sparclinux@vger.kernel.org" , Thomas Gleixner , Tony Luck , "x86@kernel.org" , Yoshinori Sato , "microblaze-uclinux@itee.uq.edu.au" , "linux-alpha@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-cris-kernel@axis.com" , "linux-ia64@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-m68k@vger.kernel.org" , "linux-mips@linux-mips.org" , "linux-parisc@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-sh@vger.kernel.org" Subject: Re: [RFC,PATCH] Cleanup PC parallel port Kconfig References: <20110614190850.GA13526@linux-mips.org> <4DF7C3CA.9050902@zytor.com> <20110614223404.GA30057@linux-mips.org> <4DF8329C.7000904@zytor.com> <20110615044016.GC10553@ericsson.com> In-Reply-To: <20110615044016.GC10553@ericsson.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-archive-position: 30395 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: hpa@zytor.com Precedence: bulk X-list: linux-mips Return-Path: X-Keywords: X-UID: 12105 On 06/14/2011 09:40 PM, Guenter Roeck wrote: > On Wed, Jun 15, 2011 at 12:18:36AM -0400, H. Peter Anvin wrote: >> On 06/14/2011 03:34 PM, Ralf Baechle wrote: >>> >>> There is no point in offering to build something that couldn't possibly be >>> used. It just makes the kernel harder to configure and inflates the test >>> matrix for no good reason. >>> >> >> I see... that's why a bunch of devices that only exist on ARM and MIPS >> SoCs are offered on x86 platforms? >> > http://en.wikipedia.org/wiki/Two_wrongs_make_a_right > Except in this case it's not wrong. It was done that way because it was discovered a long time ago that restricting drivers that were not *inherently* limited to specific platform just resulted in more bitrot and nasty surprises for the users who *did* need specific things after all, even though the maintainers had not thought so. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC,PATCH] Cleanup PC parallel port Kconfig Date: Tue, 14 Jun 2011 22:43:43 -0700 Message-ID: <4DF8468F.1080806@zytor.com> References: <20110614190850.GA13526@linux-mips.org> <4DF7C3CA.9050902@zytor.com> <20110614223404.GA30057@linux-mips.org> <4DF8329C.7000904@zytor.com> <20110615044016.GC10553@ericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: "linux-mips@linux-mips.org" , "linux-m68k@vger.kernel.org" , "linux-ia64@vger.kernel.org" , "linux-sh@vger.kernel.org" , Benjamin Herrenschmidt , Chen Liqin , Paul Mackerras , "sparclinux@vger.kernel.org" , Guan Xuetao , Lennox Wu , "linux-arch@vger.kernel.org" , Jesper Nilsson , Russell King , Yoshinori Sato , Helge Deller , "x86@kernel.org" , "James E.J. Bottomley" , Ingo Molnar , Geert Uytterhoeven , Matt Turner Return-path: In-Reply-To: <20110615044016.GC10553@ericsson.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org On 06/14/2011 09:40 PM, Guenter Roeck wrote: > On Wed, Jun 15, 2011 at 12:18:36AM -0400, H. Peter Anvin wrote: >> On 06/14/2011 03:34 PM, Ralf Baechle wrote: >>> >>> There is no point in offering to build something that couldn't possibly be >>> used. It just makes the kernel harder to configure and inflates the test >>> matrix for no good reason. >>> >> >> I see... that's why a bunch of devices that only exist on ARM and MIPS >> SoCs are offered on x86 platforms? >> > http://en.wikipedia.org/wiki/Two_wrongs_make_a_right > Except in this case it's not wrong. It was done that way because it was discovered a long time ago that restricting drivers that were not *inherently* limited to specific platform just resulted in more bitrot and nasty surprises for the users who *did* need specific things after all, even though the maintainers had not thought so. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.zytor.com (terminus.zytor.com [IPv6:2001:1868:205::10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id F422EB6F89 for ; Wed, 15 Jun 2011 15:44:46 +1000 (EST) Message-ID: <4DF8468F.1080806@zytor.com> Date: Tue, 14 Jun 2011 22:43:43 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 To: Guenter Roeck Subject: Re: [RFC,PATCH] Cleanup PC parallel port Kconfig References: <20110614190850.GA13526@linux-mips.org> <4DF7C3CA.9050902@zytor.com> <20110614223404.GA30057@linux-mips.org> <4DF8329C.7000904@zytor.com> <20110615044016.GC10553@ericsson.com> In-Reply-To: <20110615044016.GC10553@ericsson.com> Content-Type: text/plain; charset=UTF-8 Cc: "linux-mips@linux-mips.org" , "linux-m68k@vger.kernel.org" , "linux-ia64@vger.kernel.org" , "linux-sh@vger.kernel.org" , Chen Liqin , Paul Mackerras , "sparclinux@vger.kernel.org" , Guan Xuetao , Lennox Wu , "linux-arch@vger.kernel.org" , Jesper Nilsson , Russell King , Yoshinori Sato , Helge Deller , "x86@kernel.org" , "James E.J. Bottomley" , Ingo Molnar , Geert Uytterhoeven , Matt Turner , Fenghua Yu , "microblaze-uclinux@itee.uq.edu.au" , Chris Metcalf , Mikael Starvik , Ivan Kokshaysky , Thomas Gleixner , "linux-arm-kernel@lists.infradead.org" , Richard Henderson , Chris Zankel , Michal Simek , Tony Luck , "linux-parisc@vger.kernel.org" , "linux-cris-kernel@axis.com" , "linux-kernel@vger.kernel.org" , Ralf Baechle , Kyle McMartin , Paul Mundt , "linux-alpha@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "David S. Miller" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 06/14/2011 09:40 PM, Guenter Roeck wrote: > On Wed, Jun 15, 2011 at 12:18:36AM -0400, H. Peter Anvin wrote: >> On 06/14/2011 03:34 PM, Ralf Baechle wrote: >>> >>> There is no point in offering to build something that couldn't possibly be >>> used. It just makes the kernel harder to configure and inflates the test >>> matrix for no good reason. >>> >> >> I see... that's why a bunch of devices that only exist on ARM and MIPS >> SoCs are offered on x86 platforms? >> > http://en.wikipedia.org/wiki/Two_wrongs_make_a_right > Except in this case it's not wrong. It was done that way because it was discovered a long time ago that restricting drivers that were not *inherently* limited to specific platform just resulted in more bitrot and nasty surprises for the users who *did* need specific things after all, even though the maintainers had not thought so. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. From mboxrd@z Thu Jan 1 00:00:00 1970 From: hpa@zytor.com (H. Peter Anvin) Date: Tue, 14 Jun 2011 22:43:43 -0700 Subject: [RFC,PATCH] Cleanup PC parallel port Kconfig In-Reply-To: <20110615044016.GC10553@ericsson.com> References: <20110614190850.GA13526@linux-mips.org> <4DF7C3CA.9050902@zytor.com> <20110614223404.GA30057@linux-mips.org> <4DF8329C.7000904@zytor.com> <20110615044016.GC10553@ericsson.com> Message-ID: <4DF8468F.1080806@zytor.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/14/2011 09:40 PM, Guenter Roeck wrote: > On Wed, Jun 15, 2011 at 12:18:36AM -0400, H. Peter Anvin wrote: >> On 06/14/2011 03:34 PM, Ralf Baechle wrote: >>> >>> There is no point in offering to build something that couldn't possibly be >>> used. It just makes the kernel harder to configure and inflates the test >>> matrix for no good reason. >>> >> >> I see... that's why a bunch of devices that only exist on ARM and MIPS >> SoCs are offered on x86 platforms? >> > http://en.wikipedia.org/wiki/Two_wrongs_make_a_right > Except in this case it's not wrong. It was done that way because it was discovered a long time ago that restricting drivers that were not *inherently* limited to specific platform just resulted in more bitrot and nasty surprises for the users who *did* need specific things after all, even though the maintainers had not thought so. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.