From: Kashyap Chamarthy <kchamart@redhat.com>
To: Laurent Vivier <lvivier@redhat.com>
Cc: "Daniel P . Berrangé" <berrange@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Markus Armbruster" <armbru@redhat.com>,
"Amit Shah" <amit@kernel.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Richard W . M . Jones" <rjones@redhat.com>,
qemu-devel@nongnu.org, "Stefan Hajnoczi" <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4 1/3] VirtIO-RNG: Update default entropy source to `/dev/urandom`
Date: Tue, 14 May 2019 10:08:54 +0200 [thread overview]
Message-ID: <20190514080854.GD17214@paraplu> (raw)
In-Reply-To: <20190514075602.7674-2-lvivier@redhat.com>
On Tue, May 14, 2019 at 09:56:00AM +0200, Laurent Vivier wrote:
> From: Kashyap Chamarthy <kchamart@redhat.com>
>
> When QEMU exposes a VirtIO-RNG device to the guest, that device needs a
> source of entropy, and that source needs to be "non-blocking", like
> `/dev/urandom`. However, currently QEMU defaults to the problematic
> `/dev/random`, which on linux is "blocking" (as in, it waits until
OCD nit: s/linux/Linux/
Maybe Michael can do the touch up when applying.
Thanks, Laurent, for reworking the commit message update.
> sufficient entropy is available).
[...]
--
/kashyap
next prev parent reply other threads:[~2019-05-14 8:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-14 7:55 [Qemu-devel] [PATCH v4 0/3] rng-builtin: add an RNG backend that uses qemu_guest_getrandom() Laurent Vivier
2019-05-14 7:56 ` [Qemu-devel] [PATCH v4 1/3] VirtIO-RNG: Update default entropy source to `/dev/urandom` Laurent Vivier
2019-05-14 8:08 ` Kashyap Chamarthy [this message]
2019-05-14 8:15 ` Laurent Vivier
2019-05-14 13:49 ` Markus Armbruster
2019-05-14 14:43 ` Markus Armbruster
2019-05-14 7:56 ` [Qemu-devel] [PATCH v4 2/3] rng-builtin: add an RNG backend that uses qemu_guest_getrandom() Laurent Vivier
2019-05-14 14:50 ` Markus Armbruster
2019-05-14 7:56 ` [Qemu-devel] [PATCH v4 3/3] virtio-rng: change default backend to rng-builtin Laurent Vivier
2019-05-14 15:24 ` Markus Armbruster
2019-05-14 15:28 ` Laurent Vivier
2019-05-14 15:19 ` [Qemu-devel] [PATCH 3.5/4] virtio-rng: Keep the default backend out of VirtIORNGConf Markus Armbruster
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