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Commit bad1cac2 authored by Joerg Roedel's avatar Joerg Roedel
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x86/amd-iommu: Remove bus_addr check in iommu_map_page 



The driver now supports full 64 bit device address spaces.
So this check is not longer required.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 8c8c143c

arch/x86/kernel/amd_iommu.c

+1 −2
Original line number Diff line number Diff line
@@ -530,8 +530,7 @@ static int iommu_map_page(struct protection_domain *dom, 
	bus_addr  = PAGE_ALIGN(bus_addr);

	phys_addr = PAGE_ALIGN(phys_addr);



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

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

	if (!(prot & IOMMU_PROT_MASK))

		return -EINVAL;



	pte = alloc_pte(dom, bus_addr, NULL, GFP_KERNEL);