From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: [RFC PATCH 00/17] virtual-bus Date: Thu, 2 Apr 2009 11:15:04 +0800 Message-ID: <20090402031503.GA27930@gondor.apana.org.au> References: <200904011638.45135.rusty@rustcorp.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: ghaskins@novell.com, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, anthony@codemonkey.ws, netdev@vger.kernel.org, kvm@vger.kernel.org To: Rusty Russell Return-path: Content-Disposition: inline In-Reply-To: <200904011638.45135.rusty@rustcorp.com.au> Sender: netdev-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Rusty Russell wrote: > > As you point out, 350-450 is possible, which is still bad, and it's at least > partially caused by the exit to userspace and two system calls. If virtio_net > had a backend in the kernel, we'd be able to compare numbers properly. FWIW I don't really care whether we go with this or a kernel virtio_net backend. Either way should be good. However the status quo where we're stuck with a user-space backend really sucks! Thanks, -- 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