From bad1cac28a707c69301a4d0612da9ccbecd51953 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 2 Sep 2009 16:52:23 +0200 Subject: [PATCH] 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: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index ebc1c8443926..6ffb3e637657 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -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); -- 2.34.1