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Date:	Tue, 2 Dec 2014 14:24:12 +0100
From:	Willy Tarreau <>
To:	Eric Dumazet <>
	Maggie Mae Roxas <>,
	Thomas Petazzoni <>,
	Gregory CLEMENT <>,
	Ezequiel Garcia <>
Subject: Re: [PATCH] net: mvneta: fix Tx interrupt delay

On Tue, Dec 02, 2014 at 05:04:18AM -0800, Eric Dumazet wrote:
> On Tue, 2014-12-02 at 13:39 +0100, Willy Tarreau wrote:
> > Hi Eric,
> > 
> > On Tue, Dec 02, 2014 at 04:18:08AM -0800, Eric Dumazet wrote:
> > 
> > > I highly suggest BQL for this driver, now this issue is fixed.
> > 
> > How does that work ?
> This works very well ;)
> Its super easy to implement, take a look at commits
> bdbc063129e811264cd6c311d8c2d9b95de01231 or
> 7070ce0a6419a118842298bc967061ad6cea40db

Thanks but I'm not sure I entirely understand the concept. Is it to
notify the sender that the packets were already queued for the NIC ?
And if so, how does that improve the situation ? I'm sorry if this
sounds like a stupid question, it's just that the concept by itself
is not clear to me.


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