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From: Jiri Benc <jbenc@redhat.com>
To: Eric Garver <e@erig.me>
Cc: Eyal Birger <eyal.birger@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	pravin shelar <pshelar@ovn.org>
Subject: Re: [PATCH net-next v2 1/3] openvswitch: normalize vlan rx path
Date: Wed, 5 Oct 2016 21:07:09 +0200	[thread overview]
Message-ID: <20161005210709.79732b27@griffin> (raw)
In-Reply-To: <20161005184426.GQ25403@egarver>

On Wed, 5 Oct 2016 14:44:26 -0400, Eric Garver wrote:
> On Wed, Oct 05, 2016 at 08:31:52PM +0300, Eyal Birger wrote:
> > Just seemed less future safe to keep a pointer to an old packet lying around.
> 
> I agree. Alternatively refresh the eth pointer.

Sorry guys, that just doesn't make sense. Everyone should know that
reloading of skb pointer means the former pointers to its data may
become invalid. Please point me to any place in the kernel where we
reload the data pointer "just because" even when not used.

 Jiri

  reply	other threads:[~2016-10-05 19:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-05 13:07 [PATCH net-next v2 0/3] openvswitch: make vlan handling consistent Jiri Benc
2016-10-05 13:07 ` [PATCH net-next v2 1/3] openvswitch: normalize vlan rx path Jiri Benc
2016-10-05 14:18   ` Eyal Birger
2016-10-05 17:23     ` Jiri Benc
2016-10-05 17:31       ` Eyal Birger
2016-10-05 18:44         ` Eric Garver
2016-10-05 19:07           ` Jiri Benc [this message]
2016-10-05 19:21             ` Eric Garver
2016-10-05 21:07               ` Jiri Benc
2016-10-05 13:07 ` [PATCH net-next v2 2/3] openvswitch: remove unreachable code in vlan parsing Jiri Benc
2016-10-06  5:22   ` Pravin Shelar
2016-10-06  9:08     ` Jiri Benc
2016-10-05 13:07 ` [PATCH net-next v2 3/3] openvswitch: fix vlan subtraction from packet length Jiri Benc

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