Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263254AbUCTJBr (ORCPT ); Sat, 20 Mar 2004 04:01:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263256AbUCTJBr (ORCPT ); Sat, 20 Mar 2004 04:01:47 -0500 Received: from mail-04.iinet.net.au ([203.59.3.36]:30875 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S263254AbUCTJBq (ORCPT ); Sat, 20 Mar 2004 04:01:46 -0500 Message-ID: <405C0873.6080805@cyberone.com.au> Date: Sat, 20 Mar 2004 20:01:39 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040122 Debian/1.6-1 X-Accept-Language: en MIME-Version: 1.0 To: Len Brown CC: Mark Wong , Andrew Morton , axboe@suse.de, linux-kernel@vger.kernel.org Subject: Re: 2.6.4-mm2 References: <1079756877.7277.644.camel@dhcppc4> In-Reply-To: <1079756877.7277.644.camel@dhcppc4> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 28 Len Brown wrote: >On Fri, 2004-03-19 at 23:19, Brown, Len wrote: > >>CONFIG_X86_HT=y does not enable HT. >>CONFIG_X86_HT=n does not disable HT. >>It only controls if the cpu_sibling_map[] etc. are initialized. >> >>acpi=off does not disable HT >> > >oops, that line incorrect. >we fixed "acpi=off" to _really_ mean ACPI off -- table parsing >and all, so it does disable HT, along w/ all the other stuff >that depends on ACPI. > > So how come oprofile seems to think there is a sibling? Can you verify both cases use physical only CPUs? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/