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    SubjectRe: [PATCH 02/11] iommu-api: Add iommu_map and iommu_unmap functions
    On 01/28/2010 01:37 PM, Joerg Roedel wrote:
    > These two functions provide support for mapping and
    > unmapping physical addresses to io virtual addresses. The
    > difference to the iommu_(un)map_range() is that the new
    > functions take a gfp_order parameter instead of a size. This
    > allows the IOMMU backend implementations to detect easier if
    > a given range can be mapped by larger page sizes.
    > These new functions should replace the old ones in the long
    > term.
    >

    These seem to be less flexible in the long term. Sure, it is easier for
    the backend to map to multiple page sizes if your iommu supports
    arbitrary power-of-two page sizes, but we should make the APIs easier
    for the callers, not the backend.


    --
    error compiling committee.c: too many arguments to function



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