KVM: x86: implement ring-based dirty memory tracking

Add new KVM exit reason KVM_EXIT_DIRTY_LOG_FULL and connect
KVM_REQ_DIRTY_LOG_FULL to it.

Signed-off-by: Lei Cao <lei.cao@stratus.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
5 files changed