Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754013AbXE3WiY (ORCPT ); Wed, 30 May 2007 18:38:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751180AbXE3WiR (ORCPT ); Wed, 30 May 2007 18:38:17 -0400 Received: from holomorphy.com ([66.93.40.71]:34952 "EHLO holomorphy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751103AbXE3WiQ (ORCPT ); Wed, 30 May 2007 18:38:16 -0400 Date: Wed, 30 May 2007 15:38:57 -0700 From: William Lee Irwin III To: Matt Mackall Cc: Linus Torvalds , Davide Libenzi , Ingo Molnar , Ulrich Drepper , Jeff Garzik , Zach Brown , Linux Kernel Mailing List , Arjan van de Ven , Christoph Hellwig , Andrew Morton , Alan Cox , Evgeniy Polyakov , "David S. Miller" , Suparna Bhattacharya , Jens Axboe , Thomas Gleixner Subject: Re: Syslets, Threadlets, generic AIO support, v6 Message-ID: <20070530223857.GF6909@holomorphy.com> References: <20070529212718.GH7875@mami.zabbo.net> <465CA654.5000505@garzik.org> <20070530072055.GA3077@elte.hu> <465D286E.2080807@redhat.com> <20070530084252.GA15708@elte.hu> <20070530222715.GK11166@waste.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070530222715.GK11166@waste.org> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 946 Lines: 21 On Wed, May 30, 2007 at 01:00:30PM -0700, Linus Torvalds wrote: >> Which *could* be something as simple as saying "bit 30 in the file >> descriptor specifies a separate fd space" along with some flags to make >> open and friends return those separate fd's. That makes them useless for >> "select()" (which assumes a flat address space, of course), but would be >> useful for just about anything else. On Wed, May 30, 2007 at 05:27:15PM -0500, Matt Mackall wrote: > Or.. we could have a method of swizzling in and out an entire FD > array, similar to UML's trick for swizzling MMs. I like that notion even better than randomization. I think it should happen. I like SKAS, too, of course. -- wli - 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/