netdev - Re: [PATCH net] e1000e: Change wthresh to 1 to avoid possible Tx stalls.

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Message-ID: <1339044752.2075.14.camel@jtkirshe-mobl>
Date:	Wed, 06 Jun 2012 21:52:32 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Hiroaki SHIMODA <shimoda.hiroaki@...il.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"denys@...p.net.lb" <denys@...p.net.lb>,
	"therbert@...gle.com" <therbert@...gle.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] e1000e: Change wthresh to 1 to avoid possible Tx
 stalls.

On Thu, 2012-06-07 at 06:24 +0200, Eric Dumazet wrote:
> On Wed, 2012-06-06 at 17:59 -0700, Jeff Kirsher wrote:
> 
> > After further internal review, NACK.
> > 
> > This patch will cause unacceptable performance issues with non-ESB2
> > parts.
> > 
> > I am dropping this patch from my queue.
> > 
> 
> I'd like you share your performance numbers before NACKing this patch.
> 
> What is the alternative patch you guys have ?
> 

Jesse did not share any performance numbers with me, I am sure he can
give some background tomorrow when he is back online.

I am working on an alternative patch now and should have something to
share tomorrow.

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