Hi, Martin
Ivshmem-plain device support property role with 'master'(master=on) or
'peer'(master=off, default mode), which controls
to copy the shared memory on migration to the destination host or not.
https://git.qemu.org/?p=qemu.git;a=blob;f=docs/system/ivshmem.rst;h=b03a48afa3ae7258bbe43490180
> -Original Message-
> From: Daniel P. Berrangé [mailto:berra...@redhat.com]
> Sent: Monday, July 6, 2020 9:48 PM
> To: Wangxin (Alexander, Cloud Infrastructure Service Product Dept.)
>
> Cc: libvir-list@redhat.com; mklet...@redhat.com; Huangweidong (C)
>
> Sub