On Thu, Aug 02, 2012 at 04:26:29PM -0300, Marcelo Tosatti wrote:
> On Mon, Jul 30, 2012 at 05:38:18PM +0300, Gleb Natapov wrote:
> > int r;
> > @@ -5554,9 +5568,13 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
> > }
> > }
> >
> > - r = complete_mmio(vcpu);
> > - if (r <= 0)
> > - goto out;
> > + if (unlikely(vcpu->arch.complete_userspace_io)) {
> > + int (*cui)(struct kvm_vcpu *) = vcpu->arch.complete_userspace_io;
> > + vcpu->arch.complete_userspace_io = NULL;
> > + r = cui(vcpu);
> > + if (r <= 0)
> > + goto out;
> > + }
>
> Would it be worthwhile to add BUG/WARN_ONs here checking for
> variables that represent valid mmio/pio, but without
> complete_userspace_io function pointer set? (you do that in
> the reverse case, inside the complete_userspace_io
> function pointers).
There are never too much asserts :), But I wouldn't want to resend the
series just for that, so if there are other comments that will require
me to resend the series anyway I'll add asserts too.
--
Gleb.
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