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SubjectRe: [PATCH 2/4] Intel iommu: Speed up processing of the identity_mapping function
* Mike Travis (travis@sgi.com) 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);


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