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

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Message-ID: <20151210123422.GA29565@gauss.secunet.com>
Date:	Thu, 10 Dec 2015 13:34:22 +0100
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	David Miller <davem@...emloft.net>
CC:	<edumazet@...gle.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH net 1/2] xfrm: add rcu grace period in
 xfrm_policy_destroy()

On Tue, Dec 08, 2015 at 10:58:29PM -0500, David Miller wrote:
> 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.

Looks ok and survived some tests with socket policies.

If you want to take these direct into the net tree:

Acked-by: Steffen Klassert <steffen.klassert@...unet.com>
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