linux-kernel - Re: [PATCH net-next-2.6] net: if6_get

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Message-ID: <1272917635.2407.106.camel@edumazet-laptop>
Date:	Mon, 03 May 2010 22:13:55 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	paulmck@...ux.vnet.ibm.com, shemminger@...tta.com,
	Valdis.Kletnieks@...edu, akpm@...ux-foundation.org,
	peterz@...radead.org, kaber@...sh.net,
	linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] net: if6_get_next() fix

Le lundi 03 mai 2010 à 13:09 -0700, David Miller a écrit :
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Mon, 03 May 2010 21:46:47 +0200
> 
> > Then, net-next-2.6 doesnt yet have your commit Paul to relax
> > hlist_for_each_entry_rcu(), so its a bit difficult to continue the work.
> 
> Is that in Linus's tree yet?  If it propagates there I can make it
> propagate to net-next-2.6, you just have to tell me you need it.


Hmm, it seems it's already in net-next-2.6, sorry for the confusion.

commit 3120438ad68601f341e61e7cb1323b0e1a6ca367
Author: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Date:   Mon Feb 22 17:04:48 2010 -0800

    rcu: Disable lockdep checking in RCU list-traversal primitives
    
    The theory is that use of bare rcu_dereference() is more prone
    to error than use of the RCU list-traversal primitives.
    Therefore, disable lockdep RCU read-side critical-section
    checking in these primitives for the time being.  Once all of
    the rcu_dereference() uses have been dealt with, it may be time
    to re-enable lockdep checking for the RCU list-traversal
    primitives.
    


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