| Date | Wed, 02 Nov 2011 15:14:45 -0700 | From | Greg KH <> | Subject | [079/107] iommu/amd: Fix wrong shift direction |
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2.6.32-longterm review patch. If anyone has any objections, please let us know.
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From: Joerg Roedel <joerg.roedel@amd.com>
commit fcd0861db1cf4e6ed99f60a815b7b72c2ed36ea4 upstream.
The shift direction was wrong because the function takes a page number and i is the address is the loop.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- arch/x86/kernel/amd_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -842,7 +842,7 @@ static int alloc_new_range(struct amd_io if (!pte || !IOMMU_PTE_PRESENT(*pte)) continue; - dma_ops_reserve_addresses(dma_dom, i << PAGE_SHIFT, 1); + dma_ops_reserve_addresses(dma_dom, i >> PAGE_SHIFT, 1); } update_domain(&dma_dom->domain);
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