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

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Date:	Thu, 3 Dec 2009 15:25:13 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Octavian Purdila <opurdila@...acom.com>
Cc:	opurdila@...acom.com, netdev@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH 3/4] llc: use a device based hash table to speed up
 multicast delivery

On Fri,  4 Dec 2009 00:31:37 +0200
Octavian Purdila <opurdila@...acom.com> 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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