Re: [RFC 1/4] kevent: core files.

From: David Miller
Date: Tue Aug 01 2006 - 03:56:43 EST

From: Ulrich Drepper <drepper@xxxxxxxxxx>
Date: Tue, 01 Aug 2006 00:53:10 -0700

> This is the case to keep in mind here. I thought Zach and the other
> involved in the discussions in Ottawa said this has been shown to be a
> problem and that a ring buffer implementation with something other than
> simple front and back pointers is preferable.

This is part of why I suggested VJ style channel data
structure. At worst, the cachelines for the entries get
into shared modified state when the remove userland cpu
reads the slot.
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