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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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