From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net 1/2] xfrm: add rcu grace period in xfrm_policy_destroy() Date: Tue, 08 Dec 2015 22:58:29 -0500 (EST) Message-ID: <20151208.225829.122422778076120961.davem@davemloft.net> References: <1449588122-13941-1-git-send-email-edumazet@google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, steffen.klassert@secunet.com To: edumazet@google.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:49831 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbbLID6b (ORCPT ); Tue, 8 Dec 2015 22:58:31 -0500 In-Reply-To: <1449588122-13941-1-git-send-email-edumazet@google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Tue, 8 Dec 2015 07:22:01 -0800 > We will soon switch sk->sk_policy[] to RCU protection, > as SYNACK packets are sent while listener socket is not locked. > > This patch simply adds RCU grace period before struct xfrm_policy > freeing, and the corresponding rcu_head in struct xfrm_policy. > > Signed-off-by: Eric Dumazet I'll give Steffen an opportunity to review these two patches.