Re: [Xen-devel] [PATCH v8 3/3] VT-d: Fix vt-d Device-TLB flush timeout issue

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

> 
> > > +            list_del(&pdev->domain_list);
> > > +            pdev->domain = NULL;
> > > +            pci_hide_existing_device(pdev);
> > > +            break;
> > > +        }
> > > +    }
> > > +
> > > +    pcidevs_unlock();
> > > +
> > > +    if ( !is_hardware_domain(d) )
> > > +        domain_crash(d);
> > 
> > The description said something about 'just throw out a warning' (if the 
> > domain
> > owning it is a hardware domain). That seems to be missing?
> > 
> > 
> 
> The warning is in the call path, in queue_invalidate_wait():
>   """Queue invalidate wait descriptor timed out."""

Aah, right.
> 
> Then, does it make sense?

Yes. I would recommend you modify the commit description so that clueless
folks like me can see it. You could modify the commit description to say:

"just throw out a warning (done in queue_invalidate_wait)."


> 
> Quan

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