From: Ashok Raj <[email protected]>
Signed-off-by: Ashok Raj <[email protected]>
Signed-off-by: Radhakrishna Sripada <[email protected]>
---
drivers/iommu/intel/iommu.c | 2 +-
drivers/iommu/intel/pasid.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 5c8c5cdc36cf..71da6f818e96 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2150,7 +2150,7 @@ __domain_mapping(struct dmar_domain *domain, unsigned
long iov_pfn,
if ((prot & (DMA_PTE_READ|DMA_PTE_WRITE)) == 0)
return -EINVAL;
- attr = prot & (DMA_PTE_READ | DMA_PTE_WRITE | DMA_PTE_SNP);
+ attr = prot & (DMA_PTE_READ | DMA_PTE_WRITE);
attr |= DMA_FL_PTE_PRESENT;
if (domain->use_first_level) {
attr |= DMA_FL_PTE_XD | DMA_FL_PTE_US | DMA_FL_PTE_ACCESS;
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index c5d479770e12..a057ecf84d82 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -538,7 +538,7 @@ int intel_pasid_setup_first_level(struct intel_iommu *iommu,
if (flags & PASID_FLAG_FL5LP)
pasid_set_flpm(pte, 1);
- if (flags & PASID_FLAG_PAGE_SNOOP)
+ if ((flags & PASID_FLAG_PAGE_SNOOP) && ecap_sc_support(iommu->ecap))
pasid_set_pgsnp(pte);
pasid_set_domain_id(pte, did);
--
2.34.1
