netdev - Re: Internet-Draft on Port Randomisation

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Date:	Tue, 09 Sep 2008 13:04:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andi@...stfloor.org
Cc:	stephen.hemminger@...tta.com, eugeneteo@...nel.sg,
	netdev@...r.kernel.org, eteo@...hat.com
Subject: Re: Internet-Draft on Port Randomisation

From: Andi Kleen <andi@...stfloor.org>
Date: Tue, 09 Sep 2008 16:28:30 +0200

> [haven't read the draft] But you don't necessarily need a full global
> lock for such a scheme. What works too is to access global state only
> ever N accesses and pre-allocate a small range per CPU. While there's
> still some global overhead then, it happens significantly less. My old
> alternative ipid setup algorithm worked this way.

Should work well on a 64K cpu system.
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