Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762487AbZDCLNY (ORCPT ); Fri, 3 Apr 2009 07:13:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758912AbZDCLNH (ORCPT ); Fri, 3 Apr 2009 07:13:07 -0400 Received: from rhun.apana.org.au ([64.62.148.172]:59138 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756420AbZDCLNG (ORCPT ); Fri, 3 Apr 2009 07:13:06 -0400 Date: Fri, 3 Apr 2009 19:12:42 +0800 From: Herbert Xu To: Avi Kivity Cc: Gerd Hoffmann , ghaskins@novell.com, anthony@codemonkey.ws, andi@firstfloor.org, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [RFC PATCH 00/17] virtual-bus Message-ID: <20090403111242.GA10200@gondor.apana.org.au> References: <20090402085253.GA29932@gondor.apana.org.au> <49D47F11.6070400@redhat.com> <49D5EBE1.8030200@redhat.com> <49D5ED11.2000800@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49D5ED11.2000800@redhat.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 856 Lines: 21 On Fri, Apr 03, 2009 at 02:03:45PM +0300, Avi Kivity wrote: > > If the host is able to consume a request immediately, and the guest is > not able to batch requests, this breaks down. And that is the current > situation. Hang on, why is the host consuming the request immediately? It has to write the packet to tap, which then calls netif_rx_ni so it should actually go all the way, no? Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} 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 linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/