search for: xenfeat_64bit_shared_info

Hi Steven, I onced played with your PV-on-HVM driver before it is checked in into unstable, I remember at that time, there is a XENFEAT_64bit_shared_info flag to handle situation of 32bit guest on 64bit hypervisor, at least vnif works fine with it. Later, when the code is checked in, this flag is gone. At first I though this was an effort to make hypervisor more transparent to HVM guest, but now I found 32bit guest vnif refused to work on a 64bit h...