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    SubjectRe: alpha iommu fixes
    Andrea Arcangeli wrote:
    >
    > > I can't find *any* pci_map_single() in the 2.4.4-ac9 tree
    > > which can fail, BTW.
    >
    > I assume you mean that no one single caller of pci_map_single is
    > checking if it failed or not (because all pci_map_single can fail).

    No. Most of the pci_map_single() implementations just
    use virt_to_bus()/virt_to_phys(). Even sparc64's fancy
    iommu-based pci_map_single() always succeeds.
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