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 listed in DMAR. See dmar_pci_bus_notifier() for virtfn handling. > > Since the driver is looking for the bdf of the VF, it will not find one from > searching the DRHD listed in BIOS. As a result, the IOMMU driver associates > the VF's under the INCLUDE_ALL iommu incorrectly. > > This patch looks up the IOMMU of the PF when handling VF's.
I've made some cosmetic fixes — adding comments, and tweaking the commit comment — and applied this to my tree. Thanks. -- dwmw2
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