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Message-Id: <20070316.144104.25475545.davem@davemloft.net> Date: Fri, 16 Mar 2007 14:41:04 -0700 (PDT) From: David Miller <davem@...emloft.net> To: Robert.Olsson@...a.slu.se Cc: netdev@...r.kernel.org, kaber@...sh.net, tgr@...g.ch, Jens.Laas@...a.slu.se, hans.liss@....uu.se Subject: Re: [PATCH] fib_hash removal From: Robert Olsson <Robert.Olsson@...a.slu.se> Date: Fri, 16 Mar 2007 13:38:31 +0100 > > Hello, Just discussed this Patrick... > > We have two users of trie_leaf_remove, fn_trie_flush and fn_trie_delete > both are holding RTNL. So there shouldn't be need for this preempt stuff. > This is assumed to a leftover from an older RCU-take. > > > Mhh .. I think I just remembered something - me incorrectly suggesting > > to add it there while we were talking about this at OLS :) IIRC the > > idea was to make sure tnode_free (which at that time didn't use > > call_rcu) wouldn't free memory while still in use in a rcu read-side > > critical section. It should have been synchronize_rcu of course, > > but with tnode_free using call_rcu it seems to be completely > > unnecessary. So I guess we can simply remove it. > > Signed-off-by: Patrick McHardy <kaber@...sh.net> > Signed-off-by: Robert Olsson <robert.olsson@....uu.se> Applied, thanks a lot. - 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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