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Date:	Wed, 15 Apr 2015 11:32:14 -0700
From:	Eric Dumazet <>
To:	Rick Jones <>
Cc:	George Dunlap <>,
	Jonathan Davies <>,
	"" <>,
	Wei Liu <>,
	Ian Campbell <>,
	Stefano Stabellini <>,
	netdev <>,
	Linux Kernel Mailing List <>,
	Eric Dumazet <>,
	Paul Durrant <>,
	Christoffer Dall <>,
	Felipe Franciosi <>,,
	David Vrabel <>
Subject: Re: [Xen-devel] "tcp: refine TSO autosizing" causes performance
 regression on Xen

On Wed, 2015-04-15 at 11:19 -0700, Rick Jones wrote:

> Well, I'm not sure that it is George and Jonathan themselves who don't 
> want to change a sysctl, but the customers who would have to tweak that 
> in their VMs?

Keep in mind some VM users install custom qdisc, or even custom TCP

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