commit d9aadaf689928ba896529cb684729923b21c2de5 upstream.

do_cpuid_1_ent is typically called in two places by __do_cpuid_func
for CPUID functions that have subleafs.  Both places have to set
the KVM_CPUID_FLAG_SIGNIFCANT_INDEX.  Set that flag, and
KVM_CPUID_FLAG_STATEFUL_FUNC as well, directly in do_cpuid_1_ent.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NLin Wang <lin.x.wang@intel.com>
Signed-off-by: NJeffle Xu <jefflexu@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>