Davide Libenzi wrote: > On Thu, 18 Jun 2009, Gregory Haskins wrote: > > >> We currently open-code notification registration via the f_ops->poll() >> method of the eventfd. Lets abstract this into a notification API >> extension of eventfd, while still using the wait-queue as the underlying >> mechanism. This will allow us to manage the notification mechanism >> internal to eventfd without requiring the clients to change. This also >> gives us the opportunity to implement race-free release() callbacks, >> which we do later in the series. >> > > Another attempt to push KVM stuff into eventfd. Also, could you please detail how you expect someone to use the POLLHUP release in a race free way without patches 3/4 + 4/4? That is not a KVM specific problem either, afaict. -Greg
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