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authorJoerg Roedel <joerg.roedel@amd.com>2009-09-02 16:52:23 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2009-09-03 16:03:48 +0200
commitbad1cac28a707c69301a4d0612da9ccbecd51953 (patch)
tree6cf2dc2e805c2d0bf7998da5b1711c83e157e238 /arch/x86/kernel
parent8c8c143cdc95ebe50fd962917556e25e8912997b (diff)
downloadblackbird-op-linux-bad1cac28a707c69301a4d0612da9ccbecd51953.tar.gz
blackbird-op-linux-bad1cac28a707c69301a4d0612da9ccbecd51953.zip
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 <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/amd_iommu.c3
1 files changed, 1 insertions, 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);
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