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From: Steffen Klassert <steffen.klassert@secunet•com>
To: Hangbin Liu <liuhangbin@gmail•com>
Cc: <netdev@vger•kernel.org>, Guy Shapiro <guysh@mellanox•com>,
	David Miller <davem@davemloft•net>
Subject: Re: [PATCH v2] xfrm: fix xfrm_dev_event() missing when compile without CONFIG_XFRM_OFFLOAD
Date: Wed, 7 Jun 2017 12:59:02 +0200	[thread overview]
Message-ID: <20170607105902.GU2631@secunet.com> (raw)
In-Reply-To: <20170606092600.GC12974@leo.usersys.redhat.com>

On Tue, Jun 06, 2017 at 05:26:01PM +0800, Hangbin Liu wrote:
> On Tue, Jun 06, 2017 at 10:06:58AM +0200, Steffen Klassert wrote:
> > On Thu, Jun 01, 2017 at 02:57:56PM +0800, Hangbin Liu wrote:
> > > In commit d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API") we
> > > make xfrm_device.o only compiled when enable option CONFIG_XFRM_OFFLOAD.
> > > But this will make xfrm_dev_event() missing if we only enable default XFRM
> > > options.
> > > 
> > > Then if we set down and unregister an interface with IPsec on it.
> > 
> > You should not be able to register an interface with IPsec offload
> > without CONFIG_XFRM_OFFLOAD.
> 
> Yes, I mean when compile with default CONFIG_XFRM, the xfrm_dev_event() ->
> xfrm_dev_down() -> xfrm_garbage_collect() will missing.

Ok, I see what you mean now. Thanks for the explanation!

  reply	other threads:[~2017-06-07 10:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-01  0:38 [PATCH] xfrm: fix xfrm_dev_event() missing when compile without CONFIG_XFRM_OFFLOAD Hangbin Liu
2017-06-01  5:20 ` kbuild test robot
2017-06-01  6:57 ` [PATCH v2] " Hangbin Liu
2017-06-06  8:06   ` Steffen Klassert
2017-06-06  9:26     ` Hangbin Liu
2017-06-07 10:59       ` Steffen Klassert [this message]
2017-06-07 10:59   ` Steffen Klassert

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