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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2024-02-12 04:22:27 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-02-16 17:19:37 +0300 |
| commit | 3dfa64aecbafc288216b2790438d395add192c30 (patch) | |
| tree | bba55e042efee5f069e5d67bdbbb2b6869311206 /drivers/iommu/intel | |
| parent | b554e396e51ce3d378a560666f85c6836a8323fd (diff) | |
| download | linux-3dfa64aecbafc288216b2790438d395add192c30.tar.xz | |
iommu: Make iommu_report_device_fault() return void
As the iommu_report_device_fault() has been converted to auto-respond a
page fault if it fails to enqueue it, there's no need to return a code
in any case. Make it return void.
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240212012227.119381-17-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 2f8716636dbb..b644d57da841 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -561,14 +561,11 @@ static int prq_to_iommu_prot(struct page_req_dsc *req) return prot; } -static int intel_svm_prq_report(struct intel_iommu *iommu, struct device *dev, - struct page_req_dsc *desc) +static void intel_svm_prq_report(struct intel_iommu *iommu, struct device *dev, + struct page_req_dsc *desc) { struct iopf_fault event = { }; - if (!dev || !dev_is_pci(dev)) - return -ENODEV; - /* Fill in event data for device specific processing */ event.fault.type = IOMMU_FAULT_PAGE_REQ; event.fault.prm.addr = (u64)desc->addr << VTD_PAGE_SHIFT; @@ -601,7 +598,7 @@ static int intel_svm_prq_report(struct intel_iommu *iommu, struct device *dev, event.fault.prm.private_data[0] = ktime_to_ns(ktime_get()); } - return iommu_report_device_fault(dev, &event); + iommu_report_device_fault(dev, &event); } static void handle_bad_prq_event(struct intel_iommu *iommu, @@ -704,12 +701,10 @@ bad_req: if (!pdev) goto bad_req; - if (intel_svm_prq_report(iommu, &pdev->dev, req)) - handle_bad_prq_event(iommu, req, QI_RESP_INVALID); - else - trace_prq_report(iommu, &pdev->dev, req->qw_0, req->qw_1, - req->priv_data[0], req->priv_data[1], - iommu->prq_seq_number++); + intel_svm_prq_report(iommu, &pdev->dev, req); + 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; |