[libvirt] [PATCH 07/13] qemu: Add hotpluging support for PCI devices on S390 guests

[Bjoern Walk]

Cornelia Huck <cohuck at redhat.com> [2018-05-24, 06:25PM +0200]:
> On Thu, 24 May 2018 14:24:32 +0200
> Xiao Feng Ren <renxiaof at linux.vnet.ibm.com> wrote:
> 
> > From: Yi Min Zhao <zyimin at linux.ibm.com>
> > 
> > This commit adds hotplug support for PCI devices on S390 guests.
> > There's no need to implement hot unplug for zPCI as QEMU implements
> > an unplug callback which will unplug both PCI and zPCI device in a
> > cascaded way.
> > Currently, the following PCI devices are supported:
> >   virtio-blk-pci
> >   virtio-net-pci
> >   virtio-rng-pci
> >   virtio-input-host-pci
> >   virtio-keyboard-pci
> >   virtio-mouse-pci
> >   virtio-tablet-pci
> >   vfio-pci
> >   Shmem device
> >   SCSIVhost device
> 
> Hm, how did you arrive at this list? Is it 'anything that uses msi-x'?

I guess it's just any device that libvirt actually supports hotplug for,
with a few exceptions (cf. patch 3 and 6). Not familiar wuth msi-x.
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