On Mon, Jul 06, 2020 at 01:14:04PM +0000, Wangxin (Alexander, Cloud 
Infrastructure Service Product Dept.) wrote:
> 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=b03a48afa3ae7258bbe43490180fc5732b1f6c8c;hb=HEAD
> 
> And libvirt does not support to configure 'role' yet, see msg
> https://www.redhat.com/archives/libvir-list/2016-August/msg00591.html
> 
> Qemu use 'master=off' as ivshmem-plain default property, the guest create by 
> libvirt api can't be migrated now.
> 
> Do you have an plan to support the property 'role' and ivshmem-palin 
> migration?

I would assume no one is actively working on it since it is 4 years since
that quoted message. If you wish to try to implement it, we'll review any
patches.

Regards,
Daniel
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  • [question]... Wangxin (Alexander, Cloud Infrastructure Service Product Dept.)
    • Re: [... Daniel P . BerrangĂ©
      • R... Wangxin (Alexander, Cloud Infrastructure Service Product Dept.)

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