2016-01-29 12:57, Yuanhan Liu: > This patch set adds the vhost-user live migration support. > > The major task behind that is to log pages we touched during > live migration, including used vring and desc buffer. So, this > patch set is basically about adding vhost log support, and > using it. > > Another important thing is that you need notify the switches > about the VM location change after migration is done. GUEST_ANNOUNCE > feature is for that, which sends an GARP message after migration. > For older kernel (<= v3.4) without GUEST_ANNOUNCE support, > we construct and broadcast a RARP message, with the mac address > from VHOST_USER_SEND_RARP payload. > > Patchset > ======== > - Patch 1 handles VHOST_USER_SET_LOG_BASE, which tells us where > the dirty memory bitmap is. > > - Patch 2 introduces a vhost_log_write() helper function to log > pages we are gonna change. > > - Patch 3 logs changes we made to used vring. > > - Patch 4 logs changes we made to vring desc buffer. > > - Patch 5 and 7 add some feature bits related to live migration. > > - patch 6 does the RARP construction and broadcast job.
Patches 2 and 3 have been merged to avoid a compilation error. Applied, thanks