diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 0c228787704f..3a9468b1d2c3 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -978,6 +978,10 @@ bad_req: goto bad_req; } + /* Drop Stop Marker message. No need for a response. */ + if (unlikely(req->lpig && !req->rd_req && !req->wr_req)) + goto prq_advance; + if (!svm || svm->pasid != req->pasid) { /* * It can't go away, because the driver is not permitted |