Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265869AbTIJWHD (ORCPT ); Wed, 10 Sep 2003 18:07:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265872AbTIJWHD (ORCPT ); Wed, 10 Sep 2003 18:07:03 -0400 Received: from mail.jlokier.co.uk ([81.29.64.88]:17553 "EHLO mail.jlokier.co.uk") by vger.kernel.org with ESMTP id S265869AbTIJWGq (ORCPT ); Wed, 10 Sep 2003 18:06:46 -0400 Date: Wed, 10 Sep 2003 23:06:24 +0100 From: Jamie Lokier To: Pavel Machek Cc: Arjan van de Ven , Luca Veraldi , alexander.riesen@synopsys.COM, linux-kernel Subject: Re: Efficient IPC mechanism on Linux Message-ID: <20030910220624.GE24258@mail.jlokier.co.uk> References: <00f201c376f8$231d5e00$beae7450@wssupremo> <20030909175821.GL16080@Synopsys.COM> <001d01c37703$8edc10e0$36af7450@wssupremo> <20030910064508.GA25795@Synopsys.COM> <015601c3777c$8c63b2e0$5aaf7450@wssupremo> <1063185795.5021.4.camel@laptop.fenrus.com> <20030910095255.GA21313@mail.jlokier.co.uk> <20030910192426.GE2589@elf.ucw.cz> <20030910194042.GA24424@mail.jlokier.co.uk> <20030910213514.GC257@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030910213514.GC257@elf.ucw.cz> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 556 Lines: 16 Pavel Machek wrote: > But you should also time memory remapping stuff on same cpu, no? Yes, but can I be bothered ;) Like I said, it's a crude upper bound. We know the remapping time will be about the same in both tests, because all it does is the same vma operations and the same TLB invalidations. -- Jamie - 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/