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Date: Fri, 3 Apr 2009 19:48:28 +0800 From: Herbert Xu <herbert@...dor.apana.org.au> To: Avi Kivity <avi@...hat.com> Cc: Gerd Hoffmann <kraxel@...hat.com>, ghaskins@...ell.com, anthony@...emonkey.ws, andi@...stfloor.org, linux-kernel@...r.kernel.org, agraf@...e.de, pmullaney@...ell.com, pmorreale@...ell.com, rusty@...tcorp.com.au, netdev@...r.kernel.org, kvm@...r.kernel.org Subject: Re: [RFC PATCH 00/17] virtual-bus On Fri, Apr 03, 2009 at 02:46:04PM +0300, Avi Kivity wrote: > > The host writes the packet to tap, at which point it is consumed from > its point of view. The host would like to mention that if there was an > API to notify it when the packet was actually consumed, then it would > gladly use it. Bonus points if this involves not copying the packet. We're using write(2) for this, no? That should invoke netif_rx_ni which blocks until the packet is "processed", which usually means that it's placed on the NIC's hardware queue. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- 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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