From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765029AbYEOT4f (ORCPT ); Thu, 15 May 2008 15:56:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754150AbYEOTxe (ORCPT ); Thu, 15 May 2008 15:53:34 -0400 Received: from gw.goop.org ([64.81.55.164]:49363 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764117AbYEOTxd (ORCPT ); Thu, 15 May 2008 15:53:33 -0400 Message-ID: <482C94AF.2010202@goop.org> Date: Thu, 15 May 2008 20:53:19 +0100 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Jeff Garzik CC: LKML , virtualization@lists.osdl.org, Herbert Xu Subject: Re: Virt RNG? References: <482C8595.5030509@garzik.org> In-Reply-To: <482C8595.5030509@garzik.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jeff Garzik wrote: > Has anyone yet written a "hw" RNG module for virt, that reads the host's > random number pool? > > All this talk[1] about IRQF_SAMPLE_RANDOM in network drivers reminds me > that virt guest instances should be grabbing random numbers from the > host, especially if the host has a hardware RNG. It was actually one of the first device types proposed for what would become virtio, but as far as I know there has been no work on such a device. It certainly makes lots of sense. J