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Message-ID: <1284480025.13351.49.camel@localhost.localdomain> Date: Tue, 14 Sep 2010 09:00:25 -0700 From: Shirley Ma <mashirle@...ibm.com> To: "Michael S. Tsirkin" <mst@...hat.com> Cc: Arnd Bergmann <arnd@...db.de>, Avi Kivity <avi@...hat.com>, David Miller <davem@...emloft.net>, xiaohui.xin@...el.com, netdev@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [RFC PATCH 2/2] macvtap: TX zero copy between guest and host kernel On Tue, 2010-09-14 at 17:22 +0200, Michael S. Tsirkin wrote: > I would expect this to hurt performance significantly. > We could do this for asynchronous requests only to avoid the > slowdown. Is kiocb in sendmsg helpful here? It is not used now. Shirley -- 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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