netdev - Re: [PATCH 0/2] udp: Convert the UDP hash lock to RCU

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Message-ID: <49078939.6090709@cosmosbay.com>
Date:	Tue, 28 Oct 2008 22:50:49 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	David Miller <davem@...emloft.net>, benny+usenet@...rsen.dk,
	minyard@....org, netdev@...r.kernel.org,
	paulmck@...ux.vnet.ibm.com, Christoph Lameter <clameter@....com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Evgeniy Polyakov <johnpol@....mipt.ru>
Subject: Re: [PATCH 0/2] udp: Convert the UDP hash lock to RCU

Stephen Hemminger a écrit :
> On Tue, 28 Oct 2008 21:37:15 +0100
> Eric Dumazet <dada1@...mosbay.com> wrote:
>> We use RCU only for fast path. Thus, /proc/net/udp still take rdlocks.
> 
> We should just make it a spin_lock later and speed up udp socket creation.

Indeed

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