Re: [PATCH] iommu/vt-d: Fix IOMMU lookup for VF's

2016-10-30 Thread David Woodhouse
On Fri, 2016-10-21 at 15:32 -0700, Ashok Raj wrote: > IOMMU driver must pick the same IOMMU as that of a Physical Function (PF) for > any of its Virtual Functions (VF). It is not practical to list all the VF's > in the DMAR scope, as this list could be quite large. Linux also ignores any > VF's

[PATCH] iommu/vt-d: Fix IOMMU lookup for VF's

2016-10-21 Thread Ashok Raj
IOMMU driver must pick the same IOMMU as that of a Physical Function (PF) for any of its Virtual Functions (VF). It is not practical to list all the VF's in the DMAR scope, as this list could be quite large. Linux also ignores any VF's listed in DMAR. See dmar_pci_bus_notifier() for virtfn