Adopt the new iopf_queue_find_pdev func() to look up PCI device for better efficiency and avoid the CPU stuck issue with parallel heavy dsa_test. Signed-off-by: Huang Jiaqing <jiaqing.huang@xxxxxxxxx> --- drivers/iommu/intel/svm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 659de9c16024..0f1018b76557 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -672,7 +672,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) if (unlikely(req->lpig && !req->rd_req && !req->wr_req)) goto prq_advance; - pdev = pci_get_domain_bus_and_slot(iommu->segment, + pdev = iopf_queue_find_pdev(iommu->iopf_queue, PCI_BUS_NUM(req->rid), req->rid & 0xff); /* @@ -688,7 +688,6 @@ static irqreturn_t prq_event_thread(int irq, void *d) trace_prq_report(iommu, &pdev->dev, req->qw_0, req->qw_1, req->priv_data[0], req->priv_data[1], iommu->prq_seq_number++); - pci_dev_put(pdev); prq_advance: head = (head + sizeof(*req)) & PRQ_RING_MASK; } -- 2.31.1
