Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755861AbZDHXQm (ORCPT ); Wed, 8 Apr 2009 19:16:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755285AbZDHXQ2 (ORCPT ); Wed, 8 Apr 2009 19:16:28 -0400 Received: from zcars04e.nortel.com ([47.129.242.56]:53022 "EHLO zcars04e.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754775AbZDHXQ1 (ORCPT ); Wed, 8 Apr 2009 19:16:27 -0400 Message-ID: <49DD3036.4020107@nortel.com> Date: Wed, 08 Apr 2009 17:16:06 -0600 From: "Chris Friesen" User-Agent: Thunderbird 2.0.0.21 (X11/20090302) MIME-Version: 1.0 To: Gilles Espinasse CC: Robin Getz , Chris Peterson , Matt Mackall , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: IRQF_SAMPLE_RANDOM question... References: <200904061430.26276.rgetz@blackfin.uclinux.org> <1239116251.14392.133.camel@calx> <200904071830.38081.rgetz@blackfin.uclinux.org> <2c6601c9b894$756e4000$f9b5a8c0@pii350> In-Reply-To: <2c6601c9b894$756e4000$f9b5a8c0@pii350> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 08 Apr 2009 23:16:08.0343 (UTC) FILETIME=[FF8BC270:01C9B89F] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 662 Lines: 18 Gilles Espinasse wrote: > Readme say : > "This daemon attempts to collect real randomness from fluctuations of > high-frequency clocks on a PC's mainboard. The basic assumption is that > mainboard and CPU are clocked by two separate physical clocks." > How large is this basic assumption true, on x86, on other arch? Isn't the cpu frequency normally a phase-locked multiple of the mainboard bus frequency? Chris -- 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/