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authorJoerg Roedel <joerg.roedel@amd.com>2011-10-11 17:41:32 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-07 13:47:31 -0800
commit70eb017131ba8e9aa9f491955568a5ff89bda393 (patch)
tree1e8967b9d906b19345f39bbbab09301331edc14c
parentf5b218b84cc375589e8e7c83296497c66d1592c4 (diff)
downloadlinux-rt-70eb017131ba8e9aa9f491955568a5ff89bda393.tar.gz
iommu/amd: Fix wrong shift direction
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>
-rw-r--r--arch/x86/kernel/amd_iommu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index e803550868b8..07735333eddc 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1066,7 +1066,7 @@ static int alloc_new_range(struct dma_ops_domain *dma_dom,
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);