On Thu, Sep 22, 2016 at 04:07:21PM +1000, Benjamin Herrenschmidt wrote: > On Thu, 2016-09-22 at 10:51 +0530, Bharata B Rao wrote: > > The flag values are expected to remain same for a machine version for > > the migration to succeed, but this expectation is broken now. Should > > we make the addition of these flags conditional on machine type > > version ? > > But these flags are part of POWER8 CPU definition which is common for > > both pseries and upcoming powernv. > > Does this affect KVM ? (And if yes why on earth would KVM give a flying > f*** about the TCG instruction flags ?) ... If not, then I think we can > safely not care.
Yes, KVM migration is broken. Regards, Bharata.
