From 03d205094af45bca4f8e0498c461a893aa3ec6d9 Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Sat, 20 Mar 2021 10:54:11 +0800 Subject: iommu/vt-d: Report the right page fault address The Address field of the Page Request Descriptor only keeps bit [63:12] of the offending address. Convert it to a full address before reporting it to device drivers. Fixes: eb8d93ea3c1d3 ("iommu/vt-d: Report page request faults for guest SVA") Signed-off-by: Lu Baolu Link: https://lore.kernel.org/r/20210320025415.641201-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel --- drivers/iommu/intel/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iommu') diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index f77184a9defb..5165cea90421 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -852,7 +852,7 @@ intel_svm_prq_report(struct device *dev, struct page_req_dsc *desc) /* Fill in event data for device specific processing */ memset(&event, 0, sizeof(struct iommu_fault_event)); event.fault.type = IOMMU_FAULT_PAGE_REQ; - event.fault.prm.addr = desc->addr; + event.fault.prm.addr = (u64)desc->addr << VTD_PAGE_SHIFT; event.fault.prm.pasid = desc->pasid; event.fault.prm.grpid = desc->prg_index; event.fault.prm.perm = prq_to_iommu_prot(desc); -- cgit v1.2.3-59-g8ed1b