summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/intel-svm.c
diff options
context:
space:
mode:
authorDavid Woodhouse <David.Woodhouse@intel.com>2015-10-16 17:22:31 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2015-10-16 17:22:34 +0100
commit7f92a2e9107c2cf870a11bb77738207daa94fee3 (patch)
tree19800acb50f81395c81156437e81751bc37600f4 /drivers/iommu/intel-svm.c
parent95fb6144bb2222b4c0189e76c1aae006b0a02bff (diff)
downloadop-kernel-dev-7f92a2e9107c2cf870a11bb77738207daa94fee3.zip
op-kernel-dev-7f92a2e9107c2cf870a11bb77738207daa94fee3.tar.gz
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 <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/iommu/intel-svm.c')
-rw-r--r--drivers/iommu/intel-svm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 99a7803..24ee57c 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],
OpenPOWER on IntegriCloud