> -----Original Message----- > From: Daniel P. Berrangé [mailto:berrange@xxxxxxxxxx] > Sent: Monday, July 6, 2020 9:48 PM > To: Wangxin (Alexander, Cloud Infrastructure Service Product Dept.) > <wangxinxin.wang@xxxxxxxxxx> > Cc: libvir-list@xxxxxxxxxx; mkletzan@xxxxxxxxxx; Huangweidong (C) > <weidong.huang@xxxxxxxxxx> > Subject: Re: [question]qemu: any plan to support ivshmem-plain migration? > > 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=b0 > > 3a48afa3ae7258bbe43490180fc5732b1f6c8c;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. Sure, I would like to do it. > > Regards, > Daniel > -- > |: https://berrange.com -o- > https://www.flickr.com/photos/dberrange :| > |: https://libvirt.org -o- > https://fstop138.berrange.com :| > |: https://entangle-photo.org -o- > https://www.instagram.com/dberrange :|
