netdev - Re: [PATCH ipsec-next] xfrm: state lookup can be lockless

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Message-ID: <20160922075258.GO31137@gauss.secunet.com>
Date:   Thu, 22 Sep 2016 09:52:58 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Florian Westphal <fw@...len.de>
CC:     <netdev@...r.kernel.org>
Subject: Re: [PATCH ipsec-next] xfrm: state lookup can be lockless

On Tue, Sep 20, 2016 at 03:45:26PM +0200, Florian Westphal wrote:
> This is called from the packet input path, we get lock contention
> if many cpus handle ipsec in parallel.
> 
> After recent rcu conversion it is safe to call __xfrm_state_lookup
> without the spinlock.
> 
> Signed-off-by: Florian Westphal <fw@...len.de>

Applied to ipsec-next, thanks a lot!