can hotplug vcpus to running Windows 10 guest, but not unplug

[Lentes, Bernd]

----- On Feb 14, 2020, at 4:13 PM, Peter Krempa pkrempa at redhat.com wrote:

> 
> Sounds like qemu doesn't support unplug of vcpus. Which version of qemu
> do you use?

ha-idg-2:~ # rpm -qa|grep qemu
qemu-seabios-1.11.0-5.18.1.noarch
qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.16.1.noarch
qemu-block-curl-2.11.2-5.18.1.x86_64
qemu-sgabios-8-5.18.1.noarch
qemu-x86-2.11.2-5.18.1.x86_64
libvirt-daemon-qemu-4.0.0-8.15.2.x86_64
qemu-ipxe-1.0.0+-5.18.1.noarch
qemu-tools-2.11.2-5.18.1.x86_64
qemu-vgabios-1.11.0-5.18.1.noarch
qemu-block-ssh-2.11.2-5.18.1.x86_64
qemu-kvm-2.11.2-5.18.1.x86_64
qemu-2.11.2-5.18.1.x86_64
libvirt-daemon-driver-qemu-4.0.0-8.15.2.x86_64
qemu-block-rbd-2.11.2-5.18.1.x86_64

I found a table on https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.3/html/virtual_machine_management_guide/cpu_hot_plug
saying that hotplugging is possible but no hotunplugging.
But i don't know how recent this information is and if RedHat uses libvirt/qemu.

Bernd
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