netdev - Re: [PATCH net-next 5/5] ifb: convert to 64 bit stats

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Message-ID: <20110620143813.233f1642@nehalam.ftrdhcpuser.net>
Date:	Mon, 20 Jun 2011 14:38:13 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, jamal <hadi@...erus.ca>,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 5/5] ifb: convert to 64 bit stats

On Mon, 20 Jun 2011 23:27:01 +0200
Eric Dumazet <eric.dumazet@...il.com> wrote:

> Le lundi 20 juin 2011 à 23:23 +0200, Eric Dumazet a écrit :
> > Le lundi 20 juin 2011 à 14:12 -0700, Stephen Hemminger a écrit :
> > > Convert input functional block device to use 64 bit stats.
> > > 
> > > Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> > > 
> > > ---
> > > v2 - add stats_sync
> > > 
> > 
> > Acked-by: Eric Dumazet <eric.dumazet@...il.com>
> > 
> 
> Ah well, I am wondering if ri_tasklet() & ifb_xmit() could run
> concurrently
> 
> If so, we need two separate syncp, one for each function.

For the normal case that isn't possible but
someone could be perverse and put an address on the ifb device and
try and use like loopback?
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