diff options
Diffstat (limited to 'drivers/iommu/intel/svm.c')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 1dd56d4eb88c..bdf3584ca0af 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -643,7 +643,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) struct intel_iommu *iommu = d; struct page_req_dsc *req; int head, tail, handled; - struct pci_dev *pdev; + struct device *dev; u64 address; /* @@ -689,23 +689,24 @@ bad_req: if (unlikely(req->lpig && !req->rd_req && !req->wr_req)) goto prq_advance; - pdev = pci_get_domain_bus_and_slot(iommu->segment, - PCI_BUS_NUM(req->rid), - req->rid & 0xff); /* * If prq is to be handled outside iommu driver via receiver of * the fault notifiers, we skip the page response here. */ - if (!pdev) + mutex_lock(&iommu->iopf_lock); + dev = device_rbtree_find(iommu, req->rid); + if (!dev) { + mutex_unlock(&iommu->iopf_lock); goto bad_req; + } - if (intel_svm_prq_report(iommu, &pdev->dev, req)) + if (intel_svm_prq_report(iommu, dev, req)) handle_bad_prq_event(iommu, req, QI_RESP_INVALID); else - trace_prq_report(iommu, &pdev->dev, req->qw_0, req->qw_1, + trace_prq_report(iommu, dev, req->qw_0, req->qw_1, req->priv_data[0], req->priv_data[1], iommu->prq_seq_number++); - pci_dev_put(pdev); + mutex_unlock(&iommu->iopf_lock); prq_advance: head = (head + sizeof(*req)) & PRQ_RING_MASK; } |