Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264527AbTH2LRy (ORCPT ); Fri, 29 Aug 2003 07:17:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264528AbTH2LRr (ORCPT ); Fri, 29 Aug 2003 07:17:47 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:53261 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S264527AbTH2LRm (ORCPT ); Fri, 29 Aug 2003 07:17:42 -0400 Date: Fri, 29 Aug 2003 12:17:38 +0100 From: Russell King To: Andi Kleen Cc: Jamie Lokier , linux-kernel@vger.kernel.org Subject: Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this Message-ID: <20030829121738.A23774@flint.arm.linux.org.uk> Mail-Followup-To: Andi Kleen , Jamie Lokier , linux-kernel@vger.kernel.org References: <20030829053510.GA12663@mail.jlokier.co.uk.suse.lists.linux.kernel> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from ak@suse.de on Fri, Aug 29, 2003 at 01:08:51PM +0200 X-Message-Flag: Your copy of Microsoft Outlook is vulnerable to viruses. See www.mutt.org for more details. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 866 Lines: 21 On Fri, Aug 29, 2003 at 01:08:51PM +0200, Andi Kleen wrote: > Jamie Lokier writes: > > data cache is 64k. (The explanation is easy: virtually indexed, > > physically tagged cache moves data among cache lines, possibly via L2). > > On x86 L2 is usually physically tagged. > > Mostly only ARM,MIPS et.al. have virtually tagged L2. Correction: ARM L1 is mostly VIVT. L2 cache isn't mandated by the architecture, and therefore generally doesn't exist. -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html - 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/