[PATCH v2 2/3] iommu/amd: Don't call report_iommu_fault()

Jason Gunthorpe jgg at nvidia.com
Thu Nov 6 12:34:58 PST 2025


This old style API is only used by drivers/gpu/drm/msm,
drivers/remoteproc/omap_remoteproc.c, and
drivers/remoteproc/qcom_q6v5_adsp.c none are used on x86 HW.

Remove the dead code to discourage new users.

Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
---
 drivers/iommu/amd/iommu.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 2e1865daa1cee8..d4d9a5dbfa6333 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -854,13 +854,6 @@ static void amd_iommu_report_page_fault(struct amd_iommu *iommu,
 						   PCI_FUNC(devid), domain_id);
 				goto out;
 			}
-
-			if (!report_iommu_fault(&dev_data->domain->domain,
-						&pdev->dev, address,
-						IS_WRITE_REQUEST(flags) ?
-							IOMMU_FAULT_WRITE :
-							IOMMU_FAULT_READ))
-				goto out;
 		}
 
 		if (__ratelimit(&dev_data->rs)) {
-- 
2.43.0




More information about the linux-arm-kernel mailing list