Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751217AbdFAUkK (ORCPT ); Thu, 1 Jun 2017 16:40:10 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:34622 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbdFAUkI (ORCPT ); Thu, 1 Jun 2017 16:40:08 -0400 Subject: Re: [PATCH v2] um: Avoid longjmp/setjmp symbol clashes with libpthread.a To: Richard Weinberger , linux-kernel@vger.kernel.org, Thomas Meyer Cc: Jeff Dike , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "open list:USER-MODE LINUX (UML)" , "open list:USER-MODE LINUX (UML)" References: <20170524003232.14319-1-f.fainelli@gmail.com> <9f58b41d-ebe4-62a6-1aa4-e9222372ce86@gmail.com> <408132c9-6d55-7cba-e09a-f532d7fb9c6f@gmail.com> <9617f203-cee2-96cf-aa76-8f42b1a4a9f6@nod.at> <2c362d49-9907-7a66-67ef-e196dddea32a@gmail.com> <85f8b8c0-cf0e-3c67-c237-be4b045c617b@nod.at> From: Florian Fainelli Message-ID: Date: Thu, 1 Jun 2017 13:40:01 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <85f8b8c0-cf0e-3c67-c237-be4b045c617b@nod.at> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1276 Lines: 31 On 06/01/2017 01:17 PM, Richard Weinberger wrote: > Am 01.06.2017 um 22:15 schrieb Florian Fainelli: >> On 06/01/2017 01:11 PM, Richard Weinberger wrote: >>> Florian, >>> >>> Am 01.06.2017 um 21:38 schrieb Florian Fainelli: >>>>> Presumably because we are not using the same glibc version? The one I >>>>> have installed on this machine is glibc-2.12, do you want me to attach a >>>>> copy of it? >>>> >>>> Richard, what do we do with this? >>> >>> I'd like to see the issues that Thomas sees also get addressed. >> >> Sure, but that seems orthogonal? In the absence of an answer from Eli, >> either you could take my patch or just send reverts of Eli's two >> commits, whichever you prefer. > > Or you and Thomas could investigate. :-) Honestly, I don't know what do you want me to investigate, my host machine is old (2.6.32) and does not support PTRACE_GETREGSET or friends, nor does it have _xstate, so with that, we either don't use those period, which would be a revert, or we just conditionally build support for that (my patch) and everyone is happy. I don't know what the issue Thomas is having (he is now CC'd) and I still don't understand why you insist on conflating the symbol clash while statically linking with support for newer x86 FPU stuff... -- Florian