diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-24 15:24:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-24 15:24:21 +0200 |
| commit | 637d0957516eef3e861ca5889912c3234a9b593f (patch) | |
| tree | 8df51837d2ec9cba39e333acd94de5f685466d5e /drivers/iommu/intel/pasid.c | |
| parent | b2159182dd498fdb0f49e371ccc94efbc12d1f8e (diff) | |
| parent | e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 (diff) | |
Merge 5.14-rc7 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/intel/pasid.c')
| -rw-r--r-- | drivers/iommu/intel/pasid.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index c6cf44a6c923..9ec374e17469 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -511,7 +511,7 @@ void intel_pasid_tear_down_entry(struct intel_iommu *iommu, struct device *dev, u32 pasid, bool fault_ignore) { struct pasid_entry *pte; - u16 did; + u16 did, pgtt; pte = intel_pasid_get_entry(dev, pasid); if (WARN_ON(!pte)) @@ -521,13 +521,19 @@ void intel_pasid_tear_down_entry(struct intel_iommu *iommu, struct device *dev, return; did = pasid_get_domain_id(pte); + pgtt = pasid_pte_get_pgtt(pte); + intel_pasid_clear_entry(dev, pasid, fault_ignore); if (!ecap_coherent(iommu->ecap)) clflush_cache_range(pte, sizeof(*pte)); pasid_cache_invalidation_with_pasid(iommu, did, pasid); - qi_flush_piotlb(iommu, did, pasid, 0, -1, 0); + + if (pgtt == PASID_ENTRY_PGTT_PT || pgtt == PASID_ENTRY_PGTT_FL_ONLY) + qi_flush_piotlb(iommu, did, pasid, 0, -1, 0); + else + iommu->flush.flush_iotlb(iommu, did, 0, 0, DMA_TLB_DSI_FLUSH); /* Device IOTLB doesn't need to be flushed in caching mode. */ if (!cap_caching_mode(iommu->cap)) |