netdev - Re: [Xen-devel] [PATCH net-next 4/5] xen: convert to 64 bit stats interface

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Date:	Tue, 21 Jun 2011 08:29:58 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	"davem@...emloft.net" <davem@...emloft.net>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>
Subject: Re: [Xen-devel] [PATCH net-next 4/5] xen: convert to 64 bit stats
 interface

On Tue, 21 Jun 2011 15:05:54 +0100
Ian Campbell <Ian.Campbell@...rix.com> wrote:

> On Mon, 2011-06-20 at 21:35 +0100, Stephen Hemminger wrote:
> > Convert xen driver to 64 bit statistics interface.
> > Use stats_sync to ensure that 64 bit update is read atomically
> > on 32 bit platform. Put hot statistics into per-cpu table.
> > 
> > Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> 
> Thanks Stephen.
> 
> > @@ -867,12 +882,13 @@ static int handle_incoming_queue(struct
> >  		if (checksum_setup(dev, skb)) {
> >  			kfree_skb(skb);
> >  			packets_dropped++;
> > -			dev->stats.rx_errors++;
> 
> Why is this dropped? We should be counting these somehow, I think.
> 
> [...]
> 
> > >From shemminger@...tta.com Mon Jun 20 13:36:03 2011
> > Message-Id: <20110620203603.019928129@...tta.com>
> > User-Agent: quilt/0.48-1
> > Date: Mon, 20 Jun 2011 13:35:11 -0700
> > From: Stephen Hemminger <shemminger@...tta.com>
> > To: davem@...emloft.net
> > Cc: netdev@...r.kernel.org
> > Subject: [PATCH net-next 5/5] ifb: convert to 64 bit stats
> > References: <20110620203506.363818794@...tta.com>
> > Content-Disposition: inline; filename=ifb-stats64.patch
> > 
> > Convert input functional block device to use 64 bit stats.
> > 
> > Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> > 
> > ---
> > v2 - add stats_sync
> > 
> > 
> > --- a/drivers/net/ifb.c	2011-06-09 14:39:25.000000000 -0700
> > +++ b/drivers/net/ifb.c	2011-06-20 13:30:30.135992612 -0700
> 
> This entire patch was appended in the mail I got -- something up with
> your scripting?

Bad mbox file to quilt, merged two patches
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