From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268680AbUHLTuG (ORCPT ); Thu, 12 Aug 2004 15:50:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268682AbUHLTuG (ORCPT ); Thu, 12 Aug 2004 15:50:06 -0400 Received: from mx1.redhat.com ([66.187.233.31]:59071 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S268680AbUHLTt4 (ORCPT ); Thu, 12 Aug 2004 15:49:56 -0400 Date: Thu, 12 Aug 2004 12:48:54 -0700 From: "David S. Miller" To: Stephen Hemminger Cc: alan@lxorguk.ukuu.org.uk, tytso@mit.edu, netdev@oss.sgi.com, linux-kernel@vger.kernel.org Subject: Re: [RFC] enhanced version of net_random() Message-Id: <20040812124854.646f1936.davem@redhat.com> In-Reply-To: <20040812104835.3b179f5a@dell_ss3.pdx.osdl.net> References: <20040812104835.3b179f5a@dell_ss3.pdx.osdl.net> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Aug 2004 10:48:35 -0700 Stephen Hemminger wrote: > Here is a proposed alternative to use a longer period PRNG for net_random(). > The choice of TT800 was because it was freely available, had a long period, > was fast and relatively small footprint. The existing net_random() was not > really thread safe, but was immune to thread corruption. Any chance of a version that doesn't grab a global lock and disable interrupts every call? :(