On Fri, 29 Jun 2018 12:14:05 +0100 Daniel P. Berrangé <berra...@redhat.com> wrote:
> On Fri, Jun 29, 2018 at 01:08:38PM +0200, Paolo Bonzini wrote: > > On 29/06/2018 13:07, Greg Kurz wrote: > > >>>> Also asserting current_machine != NULL is not necessary, since you're > > >>>> immediately dereferencing it. > > >>> Is there a practical way to simply initialize the accelerators earlier > > >>> in startup sequence, so we just remove or at least reduce, the liklihood > > >>> of accessing it too early ? > > >> We can try, though not for 3.0 of course. > > >> > > > FWIW, the motivation for this patch was kvm_enabled() being called under > > > the class_init function of the machine TypeInfo. This happens way earlier > > > than accelerator init. Not sure this is doable, but I can have a look. > > > > > > > Probably not, that's way too early indeed. > > Yeah, doing anything non-trivial in class_init is just asking for trouble, > as conceivably nothing is initialized at that point. isn't class_init called lazily? (so it might actually work as far as type isn't touched before kvm is initialized) > > Regards, > Daniel