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    SubjectRe: [PATCH 08 of 11] anon-vma-rwsem
    Robin Holt wrote:
    > Then we need to deposit the information needed to do the invalidate.
    >
    > Lastly, we would need to interrupt. Unfortunately, here we have a
    > thundering herd. There could be up to 16256 processors interrupting the
    > same processor. That will be a lot of work. It will need to look up the
    > mm (without grabbing any sleeping locks in either xpmem or the kernel)
    > and do the tlb invalidates.
    >
    >

    You don't need to interrupt every time. Place your data in a queue (you
    do support rmw operations, right?) and interrupt. Invalidates from
    other processors will see that the queue hasn't been processed yet and
    skip the interrupt.

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



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