netdev - Re: [PATCH 1/3] net: introduce a list of device addresses dev_addr

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Date:	Wed, 15 Apr 2009 02:31:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	jpirko@...hat.com, lizf@...fujitsu.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	jgarzik@...ox.com, shemminger@...ux-foundation.org,
	bridge@...ts.linux-foundation.org, fubar@...ibm.com,
	bonding-devel@...ts.sourceforge.net, kaber@...sh.net,
	mschmidt@...hat.com, ivecera@...hat.com
Subject: Re: [PATCH 1/3] net: introduce a list of device addresses
 dev_addr_list

From: Eric Dumazet <dada1@...mosbay.com>
Date: Wed, 15 Apr 2009 11:27:50 +0200

> Since you obviously need a write lock here to be sure following
> can be done by one cpu only.
> 
> You have same problem all over this patch.

RTNL semaphore is held across all modification operations.
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