On Wed, Jun 13, 2018 at 09:18:24PM -0400, Babu Moger wrote: > Disable TOPOEXT feature for older machines. > > Signed-off-by: Babu Moger <babu.moger@xxxxxxx> > --- > include/hw/i386/pc.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > index 04d1f8c..ecccf6b 100644 > --- a/include/hw/i386/pc.h > +++ b/include/hw/i386/pc.h > @@ -303,6 +303,10 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); > .driver = TYPE_X86_CPU,\ > .property = "legacy-cache",\ > .value = "on",\ > + },{\ > + .driver = TYPE_X86_CPU,\ > + .property = "topoext",\ > + .value = "off",\ > }, This is OK, if combined with the first hunks of patch 2/6. -- Eduardo