From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Virt RNG? Date: Thu, 15 May 2008 20:53:19 +0100 Message-ID: <482C94AF.2010202@goop.org> References: <482C8595.5030509@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <482C8595.5030509@garzik.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Jeff Garzik Cc: virtualization@lists.osdl.org, LKML , Herbert Xu List-Id: virtualization@lists.linuxfoundation.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