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Message-Id: <20100307.153127.98692943.davem@davemloft.net> Date: Sun, 07 Mar 2010 15:31:27 -0800 (PST) From: David Miller <davem@...emloft.net> To: herbert@...dor.apana.org.au Cc: paulmck@...ux.vnet.ibm.com, netdev@...r.kernel.org, shemminger@...tta.com Subject: Re: [PATCH 6/13] bridge: Add core IGMP snooping support From: Herbert Xu <herbert@...dor.apana.org.au> Date: Sat, 6 Mar 2010 15:03:35 +0800 > On Sat, Mar 06, 2010 at 02:56:55PM +0800, Herbert Xu wrote: >> >> > In contrast, rcu_barrier_bh() is guaranteed not to return until all >> > pending RCU-bh callbacks have executed. >> >> You're absolutely right. I'll send a patch to fix this. > > bridge: Fix RCU race in br_multicast_stop > > Thanks to Paul McKenny for pointing out that it is incorrect to use > synchronize_rcu_bh to ensure that pending callbacks have completed. > Instead we should use rcu_barrier_bh. > > Reported-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> > Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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