Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 23 Aug 2002 15:50:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 23 Aug 2002 15:49:39 -0400 Received: from [195.39.17.254] ([195.39.17.254]:25216 "EHLO Elf.ucw.cz") by vger.kernel.org with ESMTP id ; Fri, 23 Aug 2002 15:49:19 -0400 Date: Fri, 2 Nov 2001 10:34:27 +0000 From: Pavel Machek To: Linus Torvalds Cc: Oliver Xymoron , linux-kernel Subject: Re: [PATCH] (0/4) Entropy accounting fixes Message-ID: <20011102103427.Z35@toy.ucw.cz> References: <20020818052417.GL21643@waste.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from torvalds@transmeta.com on Sun, Aug 18, 2002 at 09:59:41AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 914 Lines: 23 Hi! > And your argument that there is zero randomness in the TSC _depends_ on > your ability to perfectly estimate what the TSC is. If you cannot do it, > there is obviously at least one bit of randomness there. So I don't think > your "zero" is a good conservative estimate. Actually, no. If something is not predictable it does not mean >= 1 bit. There is < half of bit of information in "this human is older than 100 years". There's about 7.3 bits per word in english sentence. Etc, fractional bits exist. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html. - 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/