On 06/20/16 08:58, Paolo Bonzini wrote: > > > On 20/06/2016 04:11, Haozhong Zhang wrote: > >>> > > Does that mean we can automatically enable LMCE for "-cpu host"? > >> > > >> > We can automatically enable LMCE for "-cpu host" if and only if > >> > the host kernel supports LMCE. > >> > > > According to our discussion for KVM Patch 3, we may have to disable it > > by default by -cpu host, so that pc-2.7 will not require new kernels > > unless LMCE is required explicitly by users. > > -cpu host is a bit special, it requires the same processor and kernel on > both sides of a migration. So it can enable LMCE. >
OK, I'll make a separate patch in the next version to enable LMCE for -cpu host. Thanks, Haozhong
