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

David Miller
2006-08-01T07:58:52Z

From: Ulrich Drepper <drepper@redhat.com>
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.