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Commit bb9d4ff8 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

AMD IOMMU: fix iommu_map_page function 



Impact: bugfix in iommu_map_page function

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 218d11a8

arch/x86/kernel/amd_iommu.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -344,7 +344,7 @@ static int iommu_map(struct protection_domain *dom, 
	u64 __pte, *pte, *page;

	u64 __pte, *pte, *page;





	bus_addr  = PAGE_ALIGN(bus_addr);

	bus_addr  = PAGE_ALIGN(bus_addr);

	phys_addr = PAGE_ALIGN(bus_addr);

	phys_addr = PAGE_ALIGN(phys_addr);





	/* only support 512GB address spaces for now */

	/* only support 512GB address spaces for now */

	if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK))

	if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK))