From: Ashok Raj <[email protected]> Check domain flags before setting snp bit in PTE.
Signed-off-by: Ashok Raj <[email protected]> Signed-off-by: Radhakrishna Sripada <[email protected]> --- drivers/iommu/intel/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; -- 2.34.1
