From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 47731 invoked by alias); 16 Aug 2017 04:29:03 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 45106 invoked by uid 89); 16 Aug 2017 04:28:58 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy=Wednesday X-HELO: homiemail-a114.g.dreamhost.com Subject: Re: [PATCH 0/2] Multiarch hooks for memcpy variants To: Wilco Dijkstra , Szabolcs Nagy , Zack Weinberg Cc: nd , "libc-alpha@sourceware.org" References: <18d2fdf8-ca55-1ded-fa66-3509b3bcf8fe@gotplt.org> <598DF02B.8010607@arm.com> <4072a19f-eecb-8cdd-889f-46b4c8b968b4@gotplt.org> <8ce803fd-37d2-d249-9953-1ad60be34518@gotplt.org> <5991A39B.3050202@arm.com> <5991AB12.6070102@arm.com> <32bab61d-9c82-ae4f-5580-9c1c556bbfaf@gotplt.org> From: Siddhesh Poyarekar Message-ID: Date: Wed, 16 Aug 2017 04:29:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-08/txt/msg00618.txt.bz2 On Wednesday 16 August 2017 03:15 AM, Wilco Dijkstra wrote: > I'm not sure what the argument is here, do we (a) backport ifuncs to > older GLIBCs or do (b) distros upgrade to the latest GLIBC but nothing else? Backport IFUNCs to older glibcs since it does not introduce new ABI; upgrading to latest glibc introduces new ABI, which server distros will almost never do. Siddhesh