Re: [PATCH 2/4] Intel iommu: Speed up processing of the identity_mappingfunction

[Mike Travis]

Chris Wright wrote:
> * Mike Travis (travis@xxxxxxx) wrote:
> > @@ -2138,6 +2134,7 @@ static int domain_add_dev_info(struct dm
> >  	list_add(&info->global, &device_domain_list);
> >  	pdev->dev.archdata.iommu = info;
>
> The si_domain is cached right here...can you not use this instead of
> adding an iommu impl. specific bit to pci_dev?
>
> >  	spin_unlock_irqrestore(&device_domain_lock, flags);
> > +	pdev->is_identity_mapped = (domain == si_domain);

Yes, it looks like I came at the solution backwards... I added
the bit then figured out how to set it.  I'll update that patch.
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