Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760610AbXFIUcN (ORCPT ); Sat, 9 Jun 2007 16:32:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751416AbXFIUb7 (ORCPT ); Sat, 9 Jun 2007 16:31:59 -0400 Received: from x35.xmailserver.org ([64.71.152.41]:3259 "EHLO x35.xmailserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750838AbXFIUb6 (ORCPT ); Sat, 9 Jun 2007 16:31:58 -0400 X-AuthUser: davidel@xmailserver.org Date: Sat, 9 Jun 2007 13:31:56 -0700 (PDT) From: Davide Libenzi X-X-Sender: davide@alien.or.mcafeemobile.com To: Linus Torvalds cc: Al Viro , Kyle Moffett , Ulrich Drepper , Alan Cox , Theodore Tso , Eric Dumazet , Linux Kernel Mailing List , Andrew Morton , Ingo Molnar Subject: Re: [patch 7/8] fdmap v2 - implement sys_socket2 In-Reply-To: Message-ID: References: <20070609003622.GB4095@ftp.linux.org.uk> <466A0020.50406@redhat.com> <20070609014140.GC4095@ftp.linux.org.uk> <466A0BFB.3070908@redhat.com> <20070609151521.GD4095@ftp.linux.org.uk> <466AD4BA.80407@redhat.com> <20070609165454.GE4095@ftp.linux.org.uk> <466ADEAB.7080202@redhat.com> <20070609172429.GF4095@ftp.linux.org.uk> <2E51520E-EC73-457F-809A-4749ED9A3C97@mac.com> <20070609200645.GG4095@ftp.linux.org.uk> X-GPG-FINGRPRINT: CFAE 5BEE FD36 F65E E640 56FE 0974 BF23 270F 474E X-GPG-PUBLIC_KEY: http://www.xmailserver.org/davidel.asc MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 724 Lines: 25 On Sat, 9 Jun 2007, Linus Torvalds wrote: > So I think both the FD_CLOEXEC _and_ the "private fd space" are real > issues. I don't agree with the "random fd" approach. I'd much rather have > a non-random setup for the nonlinear ones (it just shouldn't be linear). That is fine for me. So what about the randomness? A) Don't do it at all B) Let userspace select it in some way globally C) Let userspace select it per-fd (this won't be an O(1) anymore though) - Davide - 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/