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Thu Nov 10 03:06:51 2011 UTC
(5 years ago) by jmmv
CVS tags: HEAD
Add a specific proposal for the SMP networking project.
This proposal is built on top of several individual, smaller projects, all
of which are related to achieve the goals of SMP support and modularity on
the network stack. Keep in mind that this is just that: a proposal.
Applicants could still come up with their own ideas.
The text of all these new pages is mostly a copy/paste of the original
document written by matt@ (see http://www.netbsd.org/~matt/smpnet.html).
I have done some minor edits (hopefully not changing any of the technical
details) and added some preliminary texts to the pages. (I was unable to
parse some of the sentences though, so they remain "as is"...)
title="Lazy receive processing"
funded="The NetBSD Foundation"
This project proposal is a subtask of [[smp_networking]] and is elegible
for funding independently.
The goal of this project is to improve the way the processing of incoming
packets is handled.
Instead of having a set of active workqueue lwps waiting to service
sockets, the kernel should use the lwp that is blocked on the socket to
service the workitem. It is not productive being blocked and it has an
interest in getting that workitem done, and maybe we can directly copy that
data to user's address and avoid queuing in the socket at all.
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