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| author |   Joerg Roedel <joerg.roedel@amd.com> | 2009-09-02 16:52:23 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-09-03 16:03:48 +0200 |
| commit | bad1cac28a707c69301a4d0612da9ccbecd51953 (patch) | |
| tree | 6cf2dc2e805c2d0bf7998da5b1711c83e157e238 | |
| parent | x86/amd-iommu: Remove last usages of IOMMU_PTE_L0_INDEX (diff) | |
| download | wireguard-linux-bad1cac28a707c69301a4d0612da9ccbecd51953.tar.xz wireguard-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>
| -rw-r--r-- | 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 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); |