Messages in this thread | | | Subject | Re: [PATCH v3 7/7] iommu/vt-d: Differentiate relaxable and non relaxable RMRRs | From | Lu Baolu <> | Date | Fri, 17 May 2019 12:46:34 +0800 |
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Hi Eric,
On 5/16/19 6:08 PM, Eric Auger wrote: > Now we have a new IOMMU_RESV_DIRECT_RELAXABLE reserved memory > region type, let's report USB and GFX RMRRs as relaxable ones. > > This allows to have a finer reporting at IOMMU API level of > reserved memory regions. This will be exploitable by VFIO to > define the usable IOVA range and detect potential conflicts > between the guest physical address space and host reserved > regions. > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > --- > drivers/iommu/intel-iommu.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c > index a36604f4900f..af1d65fdedfc 100644 > --- a/drivers/iommu/intel-iommu.c > +++ b/drivers/iommu/intel-iommu.c > @@ -5493,7 +5493,9 @@ static void intel_iommu_get_resv_regions(struct device *device, > for_each_rmrr_units(rmrr) { > for_each_active_dev_scope(rmrr->devices, rmrr->devices_cnt, > i, i_dev) { > + struct pci_dev *pdev = to_pci_dev(device);
Probably should be:
struct pci_dev *pdev = dev_is_pci(device) ? to_pci_dev(device) : NULL;
Best regards, Lu Baolu
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