Commit 7f92a2e9 authored by David Woodhouse's avatar David Woodhouse
Browse files

iommu/vt-d: Fix address shifting in page request handler 



This really should be VTD_PAGE_SHIFT, not PAGE_SHIFT. Not that we ever
really anticipate seeing this used on IA64, but we should get it right
anyway.

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 95fb6144

drivers/iommu/intel-svm.c

+1 −1
Original line number Diff line number Diff line
@@ -490,7 +490,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) 
		req = &iommu->prq[head / sizeof(*req)];



		result = QI_RESP_FAILURE;

		address = (u64)req->addr << PAGE_SHIFT;

		address = (u64)req->addr << VTD_PAGE_SHIFT;

		if (!req->pasid_present) {

			pr_err("%s: Page request without PASID: %08llx %08llx\n",

			       iommu->name, ((unsigned long long *)req)[0],

CRA Git | Maintained and supported by SUSTech CRA and CCSE