From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29506 invoked by alias); 4 Oct 2012 07:51:21 -0000 Received: (qmail 29453 invoked by uid 22791); 4 Oct 2012 07:51:17 -0000 X-SWARE-Spam-Status: No, hits=-7.8 required=5.0 tests=AWL,BAYES_05,KHOP_RCVD_UNTRUST,KHOP_SPAMHAUS_DROP,KHOP_THREADED,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 04 Oct 2012 07:50:50 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 04 Oct 2012 00:50:26 -0700 X-ExtLoop1: 1 Received: from irsmsx103.ger.corp.intel.com ([163.33.3.157]) by orsmga001.jf.intel.com with ESMTP; 04 Oct 2012 00:50:43 -0700 Received: from irsmsx102.ger.corp.intel.com ([169.254.2.34]) by IRSMSX103.ger.corp.intel.com ([169.254.3.75]) with mapi id 14.01.0355.002; Thu, 4 Oct 2012 08:50:06 +0100 From: "Metzger, Markus T" To: Mark Kettenis CC: "gdb-patches@sourceware.org" , "markus.t.metzger@gmail.com" Subject: RE: [patch v3 16/16] btrace, x86: restrict to Atom Date: Thu, 04 Oct 2012 07:51:00 -0000 Message-ID: References: <1344949171-9545-1-git-send-email-markus.t.metzger@intel.com> <1344949171-9545-17-git-send-email-markus.t.metzger@intel.com> <201208141327.q7EDR7TC017727@glazunov.sibelius.xs4all.nl> <201209280239.q8S2ddal001019@glazunov.sibelius.xs4all.nl> <201210011924.q91JO8Sp010508@glazunov.sibelius.xs4all.nl> In-Reply-To: <201210011924.q91JO8Sp010508@glazunov.sibelius.xs4all.nl> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes 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 X-SW-Source: 2012-10/txt/msg00058.txt.bz2 > -----Original Message----- > From: Mark Kettenis [mailto:mark.kettenis@xs4all.nl] > Sent: Monday, October 01, 2012 9:24 PM > To: Metzger, Markus T [...] > > The cpuid check is simple and reliable. Anything else will be more > > complicated and also less straight-forward to understand. >=20 > But what if btrace support shows up for other CPUs, or if a next > generation Atom shows up that has a different cpuid? For every new cpu that supports branch tracing, we will test it and send ou= t a patch adding the new cpuid. This will be part of the general enabling f= or new cpus, e.g. new instructions or registers. Regards, Markus. Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen, Deutschland Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Peter Gleissner, Christian Lamprechter, Hannes Schwadere= r, Douglas Lusk Registergericht: Muenchen HRB 47456 Ust.-IdNr./VAT Registration No.: DE129385895 Citibank Frankfurt a.M. (BLZ 502 109 00) 600119052