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Date:	Thu, 20 Mar 2014 10:48:55 +0000
From:	Wei Liu <wei.liu2@...rix.com>
To:	Zoltan Kiss <zoltan.kiss@...rix.com>
CC:	<ian.campbell@...rix.com>, <wei.liu2@...rix.com>,
	<xen-devel@...ts.xenproject.org>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <jonathan.davies@...rix.com>,
	Paul Durrant <Paul.Durrant@...rix.com>
Subject: Re: [PATCH net-next v7 9/9] xen-netback: Aggregate TX unmap
 operations

On Wed, Mar 19, 2014 at 09:16:05PM +0000, Zoltan Kiss wrote:
> Hi,
> 
> I'm thinking about revoking this patch: it's value is pretty small,
> but it causes performance regression on Win7 guests. And probably it
> is not the best solution for this problem. It might be the delay it
> takes the dealloc thread to be scheduled is enough.
> What do you think?
> 

Can you elaborate? What makes Win7 so special? What's performance
impact to other guests?

Wei.
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