From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765343AbZD3RQB (ORCPT ); Thu, 30 Apr 2009 13:16:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764141AbZD3RHg (ORCPT ); Thu, 30 Apr 2009 13:07:36 -0400 Received: from terminus.zytor.com ([198.137.202.10]:34863 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764366AbZD3RH2 (ORCPT ); Thu, 30 Apr 2009 13:07:28 -0400 Message-ID: <49F9D9C4.8040105@zytor.com> Date: Thu, 30 Apr 2009 10:03:00 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Ingo Molnar CC: Tobias Doerffel , Thomas Gleixner , Arjan van de Ven , Suresh Siddha , "Pallipadi, Venkatesh" , LKML Subject: Re: Specific support for Intel Atom architecture References: <200904301408.09370.tobias.doerffel@gmail.com> <20090430154051.GA3346@elte.hu> In-Reply-To: <20090430154051.GA3346@elte.hu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > > Makes sense. One question would be X86_L1_CACHE_SHIFT - you set it > to 2^6 == 64 - that's correct i think, most Atoms come with 64 byte > L2 cache AFAIK. > > I've Cc:-ed Intel folks - is this assumption about 64 bytes correct? > Seems to be. At least that's what CPUID reports. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.