netdev - RE: [PATCH v2 net] bnx2x: Fix busy

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Date:	Wed, 15 Apr 2015 14:03:09 +0000
From:	Yuval Mintz <Yuval.Mintz@...gic.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, "bind@...s.net" <bind@...s.net>,
	"peter@...leysoftware.com" <peter@...leysoftware.com>,
	Ariel Elior <Ariel.Elior@...gic.com>,
	"Willem de Bruijn" <willemb@...gle.com>
Subject: RE: [PATCH v2 net] bnx2x: Fix busy_poll vs netpoll

> >
> > BTW, this looks quite generic - isn't it possible to take it out of
> > the driver and push it into the networking core, uniforming it in the process?
> 
> Yes, this is the plan I have in mind, once net-next is opened again ;)
> 
> Thanks !
> 

I'm not familiar with any real strong test-suite for the busy poll, but I did try
running all kinds of netperf connections with various busy_{poll,read} values
and performance seemed reasonable, and verified that netconsole manages
to work.

So for all it's worth,
Tested-by: Yuval Mintz <Yuval.Mintz@...gic.com>