Re: [libvirt] [PATCH v3 00/14] Implement post-copy migration

On Wed, Mar 02, 2016 at 12:42:21 +0100, Jiri Denemark wrote: > (See "Add public APIs for post-copy migration" patch for more details > about post-copy migration.) > > Post-copy support was originally written by Cristian Klein in 2014, but > no one touched the series since then. Some patches in this series are > modified versions of the old patches from Cristian, some patches had to > be rewritten from scratch since libvirt code changed a lot (we started > using migration events), and some patches are completely new. > > While post-copy migration is included in QEMU 2.5.0, it didn't support > everything libvirt needs. Thus you need QEMU from git to use post-copy. > Luckily, the QEMU migration capability we need to enable to use > post-copy is still prefixed with "x-", which means it's still considered > experimental. We are pretty sure the interface QEMU provides is OK, but > we'd like to wait until seamless SPICE migration is fixed for post-copy > before removing the experimental prefix. This should hopefully happen in > time for QEMU 2.6.0. The SPICE issue has already been fixed in QEMU. Dave Gilbert will send a patch for removing the "x-" prefix and once it is pushed we can update this code and push it to libvirt (as long as this series gets positive review, of course).