Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 10/14] x86/amd-iommu: Remove bus_addr check in iommu_map_page | Date | Fri, 4 Sep 2009 11:40:48 +0200 |
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The driver now supports full 64 bit device address spaces. So this check is not longer required.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/kernel/amd_iommu.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index ebc1c84..6ffb3e6 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); -- 1.6.3.3
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