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Re: [Qemu-devel] [PATCH 3/4] net/virtio: add failover support


From: Jens Freimann
Subject: Re: [Qemu-devel] [PATCH 3/4] net/virtio: add failover support
Date: Mon, 3 Jun 2019 11:26:59 +0200
User-agent: NeoMutt/20180716-1376-5d6ed1

On Mon, Jun 03, 2019 at 10:24:56AM +0200, Jens Freimann wrote:
On Fri, May 31, 2019 at 06:47:48PM -0300, Eduardo Habkost wrote:
On Thu, May 30, 2019 at 04:56:45PM +0200, Jens Freimann wrote:
On Tue, May 28, 2019 at 11:04:15AM -0400, Michael S. Tsirkin wrote:
On Tue, May 21, 2019 at 10:45:05AM +0100, Dr. David Alan Gilbert wrote:
> * Jens Freimann (address@hidden) wro
What exactly is preventing QEMU from closing the host VFIO device
after the guest OS has handled the unplug request?

We qdev_unplug() the VFIO device and want the virtio-net standby device to
take over. If something goes wrong with unplug or
migration in general we have to qdev_plug() the device back.

I meant qdev_device_add, not qdev_plug.

regards,
Jens


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