netdev - Re: [PATCH net 1/2] xfrm: add rcu grace period in xfrm_policy

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Message-Id: <20151208.225829.122422778076120961.davem@davemloft.net>
Date:	Tue, 08 Dec 2015 22:58:29 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	edumazet@...gle.com
Cc:	netdev@...r.kernel.org, steffen.klassert@...unet.com
Subject: Re: [PATCH net 1/2] xfrm: add rcu grace period in
 xfrm_policy_destroy()

From: Eric Dumazet <edumazet@...gle.com>
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 <edumazet@...gle.com>

I'll give Steffen an opportunity to review these two patches.
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