Re: [PATCH net-next v7 9/9] xen-netback: Aggregate TX unmap operations

From: Wei Liu
Date: Thu Mar 20 2014 - 06:49:10 EST


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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