diff options
Diffstat (limited to 'drivers/iommu/intel/prq.c')
| -rw-r--r-- | drivers/iommu/intel/prq.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iommu/intel/prq.c b/drivers/iommu/intel/prq.c index c2d792db52c3..5b6a64d96850 100644 --- a/drivers/iommu/intel/prq.c +++ b/drivers/iommu/intel/prq.c @@ -67,7 +67,7 @@ void intel_iommu_drain_pasid_prq(struct device *dev, u32 pasid) u16 sid, did; info = dev_iommu_priv_get(dev); - if (!info->pri_enabled) + if (!info->iopf_refcount) return; iommu = info->iommu; @@ -87,7 +87,9 @@ prq_retry: struct page_req_dsc *req; req = &iommu->prq[head / sizeof(*req)]; - if (!req->pasid_present || req->pasid != pasid) { + if (req->rid != sid || + (req->pasid_present && pasid != req->pasid) || + (!req->pasid_present && pasid != IOMMU_NO_PASID)) { head = (head + sizeof(*req)) & PRQ_RING_MASK; continue; } |