From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] dst: no need to take reference on DST_NOCACHE dsts Date: Tue, 09 Dec 2014 16:08:40 -0500 (EST) Message-ID: <20141209.160840.1901007199176473394.davem@davemloft.net> References: <51b54bc66109594459e1a08c9022c5c48f20d910.1417889528.git.hannes@stressinduktion.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, edumazet@google.com, ja@ssi.bg To: hannes@stressinduktion.org Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:38737 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751387AbaLIVIm (ORCPT ); Tue, 9 Dec 2014 16:08:42 -0500 In-Reply-To: <51b54bc66109594459e1a08c9022c5c48f20d910.1417889528.git.hannes@stressinduktion.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Hannes Frederic Sowa Date: Sat, 6 Dec 2014 19:19:42 +0100 > Since commit f8864972126899 ("ipv4: fix dst race in sk_dst_get()") > DST_NOCACHE dst_entries get freed by RCU. So there is no need to get a > reference on them when we are in rcu protected sections. > > Cc: Eric Dumazet > Cc: Julian Anastasov > Signed-off-by: Hannes Frederic Sowa Applied, thanks.