From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 112972 invoked by alias); 23 Feb 2017 19:51:48 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 112962 invoked by uid 89); 23 Feb 2017 19:51:47 -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,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 23 Feb 2017 19:51:46 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D2D568123E; Thu, 23 Feb 2017 19:51:46 +0000 (UTC) Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.ams2.redhat.com [10.39.146.4]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v1NJpihO026915; Thu, 23 Feb 2017 14:51:45 -0500 Subject: Re: [PATCH] PR21166: Validate rdrand/rdseed support separately in gdb.reverse/insn-reverse-x86.c To: Luis Machado , gdb-patches@sourceware.org, qiyaoltc@gmail.com References: <1487878141-21578-1-git-send-email-lgustavo@codesourcery.com> From: Pedro Alves Message-ID: <9d8d749f-ddec-8830-a3f0-e8ee82b51c32@redhat.com> Date: Thu, 23 Feb 2017 19:51:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <1487878141-21578-1-git-send-email-lgustavo@codesourcery.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-02/txt/msg00648.txt.bz2 On 02/23/2017 07:29 PM, Luis Machado wrote: > As reported in PR21166, there are Intel processors out there that support > rdrand but not rdseed. The fix is to verify both features separately and only > run rdrand/rdseed tests if supported. > > Pedro, could you please confirm this fixes what you see in your Fedora box? Will do. Thanks, Pedro Alves