From 7f92a2e9107c2cf870a11bb77738207daa94fee3 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Fri, 16 Oct 2015 17:22:31 +0100 Subject: [PATCH] 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: David Woodhouse --- drivers/iommu/intel-svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index 99a78030857b..24ee57c0786d 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -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], -- 2.34.1