On Thu, May 26, 2016 at 11:17 PM, Minfei Huang <mngh...@gmail.com> wrote: > Protocol for the "version" fields is: hypervisor raises it (making it > uneven) before it starts updating the fields and raises it again (making > it even) when it is done. Thus the guest can make sure the time values > it got are consistent by checking the version before and after reading > them. > > Add CPU barries after getting version value just like what function > vread_pvclock does, because all of callees in this function is inline.
LGTM.
