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Date: Thu, 23 Aug 2007 08:13:20 +0530 From: Krishna Kumar2 <krkumar2@...ibm.com> To: David Miller <davem@...emloft.net> Cc: gaagaan@...il.com, general@...ts.openfabrics.org, hadi@...erus.ca, herbert@...dor.apana.org.au, jagana@...ibm.com, jeff@...zik.org, johnpol@....mipt.ru, kaber@...sh.net, kumarkr@...ux.ibm.com, mcarlson@...adcom.com, mchan@...adcom.com, netdev@...r.kernel.org, peter.p.waskiewicz.jr@...el.com, rdreier@...co.com, rick.jones2@...com, Robert.Olsson@...a.slu.se, shemminger@...ux-foundation.org, sri@...ibm.com, tgraf@...g.ch, xma@...ibm.com Subject: Re: [PATCH 0/9 Rev3] Implement batching skb API and support in IPoIB David Miller <davem@...emloft.net> wrote on 08/22/2007 02:44:40 PM: > From: Krishna Kumar2 <krkumar2@...ibm.com> > Date: Wed, 22 Aug 2007 12:33:04 +0530 > > > Does turning off batching solve that problem? What I mean by that is: > > batching can be disabled if a TSO device is worse for some cases. > > This new batching stuff isn't going to be enabled or disabled > on a per-device basis just to get "parity" with how things are > now. > > It should be enabled by default, and give at least as good > performance as what can be obtained right now. That was how it was in earlier revisions. In revision4 I coded it so that it is enabled only if explicitly set by the user. I can revert that change. > Otherwise it's a clear regression. Definitely. For drivers that support it, it should not reduce performance. Thanks, - KK - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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