From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751188AbdFBHi4 (ORCPT ); Fri, 2 Jun 2017 03:38:56 -0400 Received: from b.ns.miles-group.at ([95.130.255.144]:44723 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750807AbdFBHiz (ORCPT ); Fri, 2 Jun 2017 03:38:55 -0400 Subject: Re: [PATCH v2] um: Avoid longjmp/setjmp symbol clashes with libpthread.a To: Florian Fainelli , Thomas Meyer , linux-kernel@vger.kernel.org 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> <07b61d6a-33af-be0a-b57c-843196d0d151@nod.at> <8dd50867-312d-8af9-0993-4b5d5c181a58@gmail.com> <1496352322.9072.1.camel@m3y3r.de> <3672f56d-da81-1114-f06a-ac99d3680661@gmail.com> 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)" From: Richard Weinberger Message-ID: <0effc7cf-7a86-bed6-58cf-d8fd6d3febd6@nod.at> Date: Fri, 2 Jun 2017 09:38:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <3672f56d-da81-1114-f06a-ac99d3680661@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas, Am 02.06.2017 um 07:49 schrieb Florian Fainelli: >> the put_fp_registers fails with errno 4 if I recall correctly. >> >> I didn't investigate yet further, why the the xstate ptrace call fails. > > Which of the branches is put_fp_registers() taking? The > restore_fpx_registers() or restore_fp_registers()? 4 would be EINTR... > What kernel version is used on your host running the UML binary? Another question, is this x86_64 UML on a x86_64 host? Or i386 on x86_64, i386 on i386? Thanks, //richard