From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-95006-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 31406 invoked by alias); 1 Oct 2012 19:24:23 -0000
Received: (qmail 31396 invoked by uid 22791); 1 Oct 2012 19:24:22 -0000
X-SWARE-Spam-Status: No, hits=-4.0 required=5.0	tests=AWL,BAYES_00,KHOP_THREADED,RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
Received: from sibelius.xs4all.nl (HELO glazunov.sibelius.xs4all.nl) (83.163.83.176)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 01 Oct 2012 19:24:17 +0000
Received: from glazunov.sibelius.xs4all.nl (kettenis@localhost [127.0.0.1])	by glazunov.sibelius.xs4all.nl (8.14.5/8.14.3) with ESMTP id q91JOAVQ021805;	Mon, 1 Oct 2012 21:24:10 +0200 (CEST)
Received: (from kettenis@localhost)	by glazunov.sibelius.xs4all.nl (8.14.5/8.14.3/Submit) id q91JO8Sp010508;	Mon, 1 Oct 2012 21:24:08 +0200 (CEST)
Date: Mon, 01 Oct 2012 19:24:00 -0000
Message-Id: <201210011924.q91JO8Sp010508@glazunov.sibelius.xs4all.nl>
From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: markus.t.metzger@intel.com
CC: gdb-patches@sourceware.org, markus.t.metzger@gmail.com
In-reply-to:	<A78C989F6D9628469189715575E55B2307AF196B@IRSMSX102.ger.corp.intel.com>	(markus.t.metzger@intel.com)
Subject: Re: [patch v3 16/16] btrace, x86: restrict to Atom
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> <A78C989F6D9628469189715575E55B2307ACF558@IRSMSX102.ger.corp.intel.com> <A78C989F6D9628469189715575E55B2307AEDD71@IRSMSX102.ger.corp.intel.com> <201209280239.q8S2ddal001019@glazunov.sibelius.xs4all.nl> <A78C989F6D9628469189715575E55B2307AF196B@IRSMSX102.ger.corp.intel.com>
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2012-10/txt/msg00014.txt.bz2

> From: "Metzger, Markus T" <markus.t.metzger@intel.com>
> Date: Fri, 28 Sep 2012 06:51:24 +0000
> 
> > But I still think putting CPU model specific checks anywhere in GDB is
> > wrong.  If there are broken kernels out there, figure out a way to
> > detect them.
> 
> The cpuid check is simple and reliable. Anything else will be more
> complicated and also less straight-forward to understand.

But what if btrace support shows up for other CPUs, or if a next
generation Atom shows up that has a different cpuid?