> From: Lu Baolu <baolu...@linux.intel.com>
> Sent: Monday, March 21, 2022 6:22 PM
> >> -                          if (features >= 0)
> >> +                          if (features >= 0) {
> >>                                    info->pasid_supported = features | 1;
> >> +                                  dev->iommu->pasid_bits =
> >> +                                          fls(pci_max_pasids(pdev)) - 1;
> > Original intel_svm_alloc_pasid() covers both PCI and non-PCI devices:
> >
> >     ioasid_t max_pasid = dev_is_pci(dev) ?
> >             pci_max_pasids(to_pci_dev(dev)) : intel_pasid_max_id;
> >
> > though I'm not sure whether non-PCI SVA has been supported indeed, this
> > patch implies a functional change here.
> >
> 
> The info->pasid_supported is only set for PCI devices. So the status is
> that non-PCI SVA hasn't been supported. No functional change here from
> this point of view.
> 

Then this information should be included in the commit msg.
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