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

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Message-ID: <1412369869.17245.4.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 03 Oct 2014 13:57:49 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
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

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.  GSO segmentation of TX checksuming should not prevent other
cpus from queueing other skbs in the qdisc.

I will spend some time on this.


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