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Date: Wed, 22 Aug 2012 19:51:11 -0700 (PDT) From: David Miller <davem@...emloft.net> To: gaofeng@...fujitsu.com Cc: eric.dumazet@...il.com, netdev@...r.kernel.org, therbert@...gle.com, maheshb@...gle.com, ebiederm@...ssion.com Subject: Re: [PATCH net-next v2] net: remove delay at device dismantle From: Gao feng <gaofeng@...fujitsu.com> Date: Thu, 23 Aug 2012 10:25:00 +0800 > 于 2012年08月11日 13:54, Eric Dumazet 写道: >> On Fri, 2012-08-10 at 17:42 +0200, Eric Dumazet wrote: >>> From: Eric Dumazet <edumazet@...gle.com> >>> >>> I noticed extra one second delay in device dismantle, tracked down to >>> a call to dst_dev_event() while some call_rcu() are still in RCU queues. >>> >> ... >>> Signed-off-by: Eric Dumazet <edumazet@...gle.com> >>> Cc: Tom Herbert <therbert@...gle.com> >>> Cc: Mahesh Bandewar <maheshb@...gle.com> >>> Cc: "Eric W. Biederman" <ebiederm@...ssion.com> >>> --- >>> v2: NETDEV_UNREGISTER_FINAL called outside of rtnl lock >>> as its more risky, base this patch on net-next >> >> Also I am leaving for a one week vacation with no access to the >> Internet, so better hold this patch until my return ;) >> > > Hi Eric > > I got this warning message with your patch applied. Ok I won't push this out until this is resolved. -- 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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