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    Subjectaligned_{u64,be64,le64} defined in #ifdef __KERNEL__
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    On Saturday 28 August 2010 01:51:53 Eric Paris wrote:
    > I liked this version until I realized that userspace doesn't have
    > aligned_u64 as a valid type.

    This looks like an error in include/linux/types.h. The aligned types should
    probably not be defined inside #ifdef __KERNEL__.

    The following other headers expose aligned 64-bit types to user space as well;
    copying the netfilter list:

    include/linux/if_ppp.h
    include/linux/netfilter/nfnetlink_queue.h
    include/linux/netfilter/nfnetlink_log.h
    include/linux/netfilter/xt_quota.h
    include/linux/netfilter/xt_connbytes.h

    Otherwise, the definition of those types is really simple, and this would do
    in include/linux/fanotify.h until include/linux/types.h is fixed:

    #ifndef aligned_u64
    # define aligned_u64 __u64 __attribute__((aligned(8)))
    #endif

    Thanks,
    Andreas


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