* Pavel Dovgalyuk (dovga...@ispras.ru) wrote: > > From: Paolo Bonzini [mailto:pbonz...@redhat.com] > > On 29/05/19 13:30, Dr. David Alan Gilbert wrote: > > >> Should we add a section for i386, which duplicates efer, or just > > >> version_id of the main > > VMSD should > > >> be updated? > > > > > > You could do: > > > > > > #ifdef TARGET_X86_64 > > > VMSTATE_UINT64(env.efer, X86CPU), > > > VMSTATE_UINT64(env.star, X86CPU), > > > ... > > > > > > to become: > > > > > > VMSTATE_UINT64_TEST(env.efer, X86CPU, efer_needed) > > > #ifdef TARGET_X86_64 > > > VMSTATE_UINT64(env.star, X86CPU), > > > > > > > > > and then make efer_needed a function that returns true if > > > TARGET_X86_64 or it's a new machine type that knows about whatever > > > you're going to do with it. > > > > I prefer adding a subsection for 32-bit, so that EFER is saved/restored > > if nonzero. > > The question is: should we remove EFER from the original VMSD?
No, because that would break 64bit compat. Dave > Pavel Dovgalyuk > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
