Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752935AbbF2BM0 (ORCPT ); Sun, 28 Jun 2015 21:12:26 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:37968 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752938AbbF2BMU (ORCPT ); Sun, 28 Jun 2015 21:12:20 -0400 X-Sasl-enc: ZIfHWycHVtcNdXt5k/WbtiekEbKkPoy8aEt8QU6jI9Bx 1435540339 Date: Sun, 28 Jun 2015 22:12:15 -0300 From: Henrique de Moraes Holschuh To: Mike Galbraith Cc: Ingo Molnar , Ingo Molnar , LKML Subject: Re: [all better] Re: regression: massive trouble with fpu rework Message-ID: <20150629011215.GA22309@khazad-dum.debian.net> References: <1435386316.3664.23.camel@gmail.com> <1435393129.3490.7.camel@gmail.com> <20150627082514.GA10894@gmail.com> <1435395328.6545.10.camel@gmail.com> <20150627210238.GB3054@khazad-dum.debian.net> <1435461117.3418.32.camel@gmail.com> <20150628150638.GA20989@khazad-dum.debian.net> <1435505954.5439.22.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1435505954.5439.22.camel@gmail.com> X-GPG-Fingerprint1: 4096R/39CB4807 C467 A717 507B BAFE D3C1 6092 0BD9 E811 39CB 4807 X-GPG-Fingerprint2: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1267 Lines: 26 On Sun, 28 Jun 2015, Mike Galbraith wrote: > On Sun, 2015-06-28 at 12:06 -0300, Henrique de Moraes Holschuh wrote: > > It is just that this kind of breakage should not be subtle if we can help > > it, because people will use a crippled system for years without noticing... > > If you can use it without noticing for years, it ain't crippled, or? My > point being that severity seems more akin to the box having a zit behind > its left ear, in which case lobotomizing it seems a tad extreme. Noted. However if it does boot with cpuid limited (and we don't "unlimit" it somehow) on a recent processor, at *best* the user paid good money for a lot of stuff that is going to not be used to enhance system performance and system security. It is not nice to the user to just limp along silently about this. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/