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Message-ID: <1429122734.7346.141.camel@edumazet-glaptop2.roam.corp.google.com>
Date: Wed, 15 Apr 2015 11:32:14 -0700
From: Eric Dumazet <eric.dumazet@...il.com>
To: Rick Jones <rick.jones2@...com>
Cc: George Dunlap <george.dunlap@...citrix.com>,
Jonathan Davies <Jonathan.Davies@...rix.com>,
"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
Wei Liu <wei.liu2@...rix.com>,
Ian Campbell <Ian.Campbell@...rix.com>,
Stefano Stabellini <stefano.stabellini@...citrix.com>,
netdev <netdev@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paul Durrant <paul.durrant@...rix.com>,
Christoffer Dall <christoffer.dall@...aro.org>,
Felipe Franciosi <felipe.franciosi@...rix.com>,
linux-arm-kernel@...ts.infradead.org,
David Vrabel <david.vrabel@...rix.com>
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
sysctls.
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