Messages in this thread | | | Date | Wed, 30 Mar 2011 12:19:02 -0700 | From | Chris Wright <> | Subject | Re: [PATCH 2/4] Intel iommu: Speed up processing of the identity_mapping function |
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* 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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