From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267413AbUHPES1 (ORCPT ); Mon, 16 Aug 2004 00:18:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267414AbUHPES1 (ORCPT ); Mon, 16 Aug 2004 00:18:27 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:27117 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S267413AbUHPESZ (ORCPT ); Mon, 16 Aug 2004 00:18:25 -0400 Subject: Re: [patch] voluntary-preempt-2.6.8.1-P0 From: Lee Revell To: Ingo Molnar Cc: Florian Schmidt , linux-kernel , Felipe Alfaro Solana In-Reply-To: <20040816030818.GA10685@elte.hu> References: <20040810132654.GA28915@elte.hu> <20040812235116.GA27838@elte.hu> <1092382825.3450.19.camel@mindpipe> <20040813104817.GI8135@elte.hu> <1092432929.3450.78.camel@mindpipe> <20040814072009.GA6535@elte.hu> <20040815115649.GA26259@elte.hu> <20040816022554.16c3c84a@mango.fruits.de> <1092622121.867.109.camel@krustophenia.net> <20040816024314.GA8960@elte.hu> <20040816030818.GA10685@elte.hu> Content-Type: text/plain Message-Id: <1092629953.810.23.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Mon, 16 Aug 2004 00:19:14 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2004-08-15 at 23:08, Ingo Molnar wrote: > * Ingo Molnar wrote: > > > just to check this theory, could you make __check_and_rekey() an empty > > function? This should still produce a working random driver, albeit at > > much reduced entropy. If these latencies have a relationship to the > > mlockall() issue then this change should have an effect. > > hm, could you disable the random driver in the .config rather? It seems > that adding to the entropy pool (from hardirq context) alone is quite > expensive too. > Can this be disabled in the .config? I can't find an option for it. Lee