Re: [PATCH v9 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Apr 13, 2017 at 05:35:03PM +0800, Wei Wang wrote:
> 2) transfer the guest unused pages to the host so that they
> can be skipped to migrate in live migration.

I don't understand this second bit.  You leave the pages on the free list,
and tell the host they're free.  What's preventing somebody else from
allocating them and using them for something?  Is the guest semi-frozen
at this point with just enough of it running to ask the balloon driver
to do things?

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux