Commit 03d20509 authored by Lu Baolu's avatar Lu Baolu Committed by Joerg Roedel
Browse files

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: eb8d93ea ("iommu/vt-d: Report page request faults for guest SVA")
Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210320025415.641201-2-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 6c00612d

drivers/iommu/intel/svm.c

+1 −1
Original line number Diff line number Diff line
@@ -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);