From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 115650 invoked by alias); 20 May 2017 13:23:27 -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 115598 invoked by uid 89); 20 May 2017 13:23:26 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.1 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL autolearn=no version=3.3.2 spammy=H*MI:sk:2017052 X-HELO: homiemail-a92.g.dreamhost.com Reply-To: siddhesh@sourceware.org Subject: Re: [PATCH 5/5] aarch64: Allow overriding HWCAP_CPUID feature check using HWCAP_MASK To: Szabolcs Nagy Cc: Szabolcs Nagy , libc-alpha@sourceware.org, nd@arm.com, adhemerval.zanella@linaro.org References: <1495138038-32212-1-git-send-email-siddhesh@sourceware.org> <1495138038-32212-6-git-send-email-siddhesh@sourceware.org> <591EBF88.4050904@arm.com> <6f9b0b1c-9300-6e3b-5892-6d2d7041eeec@sourceware.org> <20170519221203.GK9350@port70.net> <20170520123541.GL9350@port70.net> From: Siddhesh Poyarekar Message-ID: <01a717bb-8520-4a23-d5b9-4a998e27f27e@sourceware.org> Date: Sat, 20 May 2017 13:23:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <20170520123541.GL9350@port70.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-05/txt/msg00624.txt.bz2 On Saturday 20 May 2017 06:05 PM, Szabolcs Nagy wrote: > ok now i understand it better, my confusion is that > the default seems to be _dl_hwcap_mask == 0, which > would disable the cpuid bit unless one explicitly > set LD_HWCAP_MASK=2048, i thought we wanted the > opposite behaviour (cpuid based dispatch by default, > which can be disabled with explicit setting). Ah nice catch, we need to add HWCAP_CPUID to the important hwcaps. I'll add that change to this last patch and repost. Siddhesh