From: Gerd Hoffmann <kraxel@redhat.com>
To: Ian Molton <ian.molton@collabora.co.uk>
Cc: Paul Brook <paul@codesourcery.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] VirtIO RNG
Date: Wed, 21 Apr 2010 09:43:21 +0200 [thread overview]
Message-ID: <4BCEAC99.8000206@redhat.com> (raw)
In-Reply-To: <4BCE1D3B.7000306@collabora.co.uk>
On 04/20/10 23:31, Ian Molton wrote:
> Using virtio-rng means that the data is going into the guest
> kernels hwrng subsystem.
Which is *the* major advantage of the virtio-rng driver. In case the
guest kernel is recent enougth to have support for it, it will
JustWork[tm]. No need for guest configuration, no need for some
userspace tool. I'd like to see this driver being merged.
With any kind of serial port (be it a emulated 16550 or virtio-serial)
you'll need some daemon running inside the guest grabbing entropy data
from the port and feeding it back into the kernel. Nobody prevents you
from doing that if you want (or have to due to lack of virtio-rng
support in the guest). Just link the port with the egd chardev and
configure the guest accordingly.
cheers,
Gerd
next prev parent reply other threads:[~2010-04-21 7:43 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 14:05 [Qemu-devel] [PATCH 0/2] VirtIO RNG Ian Molton
2010-03-30 14:12 ` [Qemu-devel] [PATCH 1/2] " Ian Molton
2010-03-30 14:13 ` [Qemu-devel] [PATCH 2/2] " Ian Molton
2010-04-01 12:17 ` Paul Brook
2010-04-01 12:30 ` Jamie Lokier
2010-04-01 14:03 ` Paul Brook
2010-04-02 10:13 ` Ian Molton
2010-04-03 15:06 ` Paul Brook
2010-04-13 14:41 ` Ian Molton
2010-04-13 15:01 ` Paul Brook
2010-04-13 15:32 ` Paul Brook
2010-04-20 15:15 ` Ian Molton
2010-04-20 16:13 ` Jamie Lokier
2010-04-20 19:52 ` Ian Molton
2010-04-20 20:11 ` Blue Swirl
2010-04-20 20:56 ` Jamie Lokier
2010-04-20 21:31 ` Ian Molton
2010-04-20 21:55 ` Jamie Lokier
2010-04-21 7:43 ` Gerd Hoffmann [this message]
2010-04-21 9:40 ` Jamie Lokier
2010-04-21 12:34 ` Ian Molton
2010-04-21 13:55 ` Gerd Hoffmann
2010-04-22 19:06 ` Ian Molton
2010-04-22 21:05 ` Jamie Lokier
2010-04-23 10:17 ` Ian Molton
2010-04-24 1:37 ` Jamie Lokier
2010-04-24 8:58 ` Ian Molton
2010-04-23 8:27 ` Gerd Hoffmann
2010-04-23 9:28 ` Ian Molton
2010-04-23 14:07 ` Gerd Hoffmann
2010-04-23 15:49 ` Ian Molton
2010-04-23 17:32 ` Jamie Lokier
2010-04-24 9:16 ` Ian Molton
2010-04-02 10:15 ` Ian Molton
2010-04-02 10:07 ` Ian Molton
2010-05-03 17:56 ` Anthony Liguori
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