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

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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: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2015-10-16 17:22:31 +01:00
parent 95fb6144bb
commit 7f92a2e910
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/intel-svm.c
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@ -490,7 +490,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
req = &iommu->prq[head / sizeof(*req)]; req = &iommu->prq[head / sizeof(*req)];
result = QI_RESP_FAILURE; result = QI_RESP_FAILURE;
address = (u64)req->addr << PAGE_SHIFT; address = (u64)req->addr << VTD_PAGE_SHIFT;
if (!req->pasid_present) { if (!req->pasid_present) {
pr_err("%s: Page request without PASID: %08llx %08llx\n", pr_err("%s: Page request without PASID: %08llx %08llx\n",
iommu->name, ((unsigned long long *)req)[0], iommu->name, ((unsigned long long *)req)[0],