netdev - Re: [net-next PATCH V6 0/2] qdisc: bulk dequeue support

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Message-Id: <20141003.145647.1980640682969765484.davem@davemloft.net>
Date:	Fri, 03 Oct 2014 14:56:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	brouer@...hat.com, netdev@...r.kernel.org, therbert@...gle.com,
	hannes@...essinduktion.org, fw@...len.de, dborkman@...hat.com,
	jhs@...atatu.com, alexander.duyck@...il.com,
	john.r.fastabend@...el.com, dave.taht@...il.com, toke@...e.dk
Subject: Re: [net-next PATCH V6 0/2] qdisc: bulk dequeue support

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 03 Oct 2014 13:57:49 -0700

> On Fri, 2014-10-03 at 12:38 -0700, David Miller wrote:
>> From: Jesper Dangaard Brouer <brouer@...hat.com>
>> Date: Wed, 01 Oct 2014 22:35:31 +0200
>> 
>> > This patchset uses DaveM's recent API changes to dev_hard_start_xmit(),
>> > from the qdisc layer, to implement dequeue bulking.
>> 
>> Series applied, thanks for all of your hard work!
> 
> 
> I thinks its possible to make all validate_xmit_skb() calls outside of
> qdisc lock.

I completely agree, and I sort of intended this to happen when
I split all the code into that new function.

  GSO segmentation of TX checksuming should not prevent other
> cpus from queueing other skbs in the qdisc.
> 
> I will spend some time on this.

Thanks!

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