From owner-freebsd-current@FreeBSD.ORG Mon Aug 1 16:21:37 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 472BC1065677; Mon, 1 Aug 2011 16:21:37 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 20EB48FC18; Mon, 1 Aug 2011 16:21:37 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 5F0B546B03; Mon, 1 Aug 2011 12:21:36 -0400 (EDT) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 003B98A02C; Mon, 1 Aug 2011 12:21:35 -0400 (EDT) From: John Baldwin To: Andriy Gapon Date: Mon, 1 Aug 2011 12:17:30 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110617; KDE/4.5.5; amd64; ; ) References: <4E35732A.8060807@FreeBSD.org> <201108010847.52235.jhb@freebsd.org> <4E36B805.6070804@FreeBSD.org> In-Reply-To: <4E36B805.6070804@FreeBSD.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201108011217.30206.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Mon, 01 Aug 2011 12:21:36 -0400 (EDT) Cc: freebsd-current@freebsd.org Subject: Re: print_INTEL_info/print_INTEL_TLB X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2011 16:21:37 -0000 On Monday, August 01, 2011 10:28:21 am Andriy Gapon wrote: > on 01/08/2011 15:47 John Baldwin said the following: > > On Sunday, July 31, 2011 11:22:18 am Andriy Gapon wrote: > >> > >> Just an observation: > >> - print_INTEL_info and print_INTEL_TLB are missing from amd64 identcpu.c > >> - print_INTEL_TLB doesn't cover all the codes defined by Intel specs > >> - not sure; perhaps print_INTEL_info should use deterministic cache > > parameters > >> as provided by CPUID 0x4 for a more complete coverage... > > > > It might be nice to create a sys/x86/x86/identcpu.c to merge the two which > > would help with some of this. > > I agree with this suggestion regardless of the issue at hand. > > > print_INTEL_TLB() hasn't been updated since it > > was added AFAIK which probably explains why it doesn't know about all of the > > codes. > > Given the current state of this code - is it useful at all? > Should we keep it in kernel provided that there are tools like cpuid, x86info, etc...? > I would have no doubts if we gathered that information for some real use by kernel > and then also printed it for user's convenience. But if the code is there just > for printing (and under bootverbose), then I am not really sure. Yeah, I would be fine with just tossing it. -- John Baldwin