Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265710AbUADPDi (ORCPT ); Sun, 4 Jan 2004 10:03:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265711AbUADPDi (ORCPT ); Sun, 4 Jan 2004 10:03:38 -0500 Received: from [130.57.169.10] ([130.57.169.10]:26040 "EHLO peabody.ximian.com") by vger.kernel.org with ESMTP id S265710AbUADPDg (ORCPT ); Sun, 4 Jan 2004 10:03:36 -0500 Subject: Re: Pentium M config option for 2.6 From: Rob Love To: Mikael Pettersson Cc: szepe@pinerecords.com, akpm@osdl.org, linux-kernel@vger.kernel.org In-Reply-To: <200401041227.i04CReNI004912@harpo.it.uu.se> References: <200401041227.i04CReNI004912@harpo.it.uu.se> Content-Type: text/plain Message-Id: <1073228608.2717.39.camel@fur> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 (1.4.5-8) Date: Sun, 04 Jan 2004 10:03:28 -0500 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 587 Lines: 18 On Sun, 2004-01-04 at 07:27, Mikael Pettersson wrote: > And since P-M doesn't do SMP, does cache line size even > matter? There are no locks to protect from ping-ponging. Cache line size does still come into the picture on UP, albeit not as much as with SMP - but e.g. it still matters to things like device drivers doing DMA. Rob Love - 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/