Subject: Re: [PATCH 3/4] llc: use a device based hash table to speed up multicast delivery

From: Stephen Hemminger <[email-masked]>
Date: Thu, 3 Dec 2009 15:25:13 -0800

On Fri,  4 Dec 2009 00:31:37 +0200
Octavian Purdila <[email-masked]> wrote:

> This patch adds a per SAP device based hash table to solve the
> multicast delivery scalability issues for the case where the are a
> large number of interfaces and a large number of sockets (bound to the
> same SAP) are used.

Rather than adding hash table and rwlock, why not hash list RCU
and a single spin lock

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