From: Juan Quintela <quintela@redhat.com>
To: Laurent Vivier <lvivier@redhat.com>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Amit Shah <amit@kernel.org>,
qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 2/2] virtio-rng: stop virtqueue while the CPU is stopped
Date: Fri, 21 Apr 2017 11:20:32 +0200 [thread overview]
Message-ID: <87pog6dsm7.fsf@secure.mitica> (raw)
In-Reply-To: <20170412135312.1686-3-lvivier@redhat.com> (Laurent Vivier's message of "Wed, 12 Apr 2017 15:53:12 +0200")
Laurent Vivier <lvivier@redhat.com> wrote:
> If we modify the virtio-rng virqueue while the
> vmstate is already migrated we can have some
> inconsistencies between the virtqueue state and
> the memory content.
>
> To avoid this, stop the virtqueue while the CPU
> is stopped.
>
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> ---
Reviewed-by: Juan Quintela <quintela@redhat.com>
next prev parent reply other threads:[~2017-04-21 9:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-12 13:53 [Qemu-devel] [PATCH v2 0/2] migration: fix virtio-rng Laurent Vivier
2017-04-12 13:53 ` [Qemu-devel] [PATCH v2 1/2] migration: don't close a file descriptor while it can be in use Laurent Vivier
2017-04-20 18:48 ` Dr. David Alan Gilbert
2017-04-21 9:19 ` Juan Quintela
2017-04-12 13:53 ` [Qemu-devel] [PATCH v2 2/2] virtio-rng: stop virtqueue while the CPU is stopped Laurent Vivier
2017-04-21 9:20 ` Juan Quintela [this message]
2017-04-13 14:51 ` [Qemu-devel] [PATCH v2 0/2] migration: fix virtio-rng Stefan Hajnoczi
2017-04-17 19:33 ` Amit Shah
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