From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCHv5 3/3] vhost_net: a kernel-level virtio server Date: Mon, 14 Sep 2009 10:05:59 +0300 Message-ID: <20090914070559.GB14030@redhat.com> References: <20090827160750.GD23722@redhat.com> <20090903183945.GF28651@ovro.caltech.edu> <20090907101537.GH3031@redhat.com> <20090908172035.GB319@ovro.caltech.edu> <20090908201428.GA12420@redhat.com> <20090913054610.GA4446@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Ira W. Snyder" , "netdev@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "mingo@elte.hu" , "linux-mm@kvack.org" , "akpm@linux-foundation.org" , "hpa@zytor.com" , "gregory.haskins@gmail.com" , Rusty Russell , "s.hetze@linux-ag.com" , "avi@redhat.com" To: "Xin, Xiaohui" Return-path: Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-Id: netdev.vger.kernel.org On Mon, Sep 14, 2009 at 01:57:06PM +0800, Xin, Xiaohui wrote: > >The irqfd/ioeventfd patches are part of Avi's kvm.git tree: > >git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm.git > > > >I expect them to be merged by 2.6.32-rc1 - right, Avi? > > Michael, > > I think I have the kernel patch for kvm_irqfd and kvm_ioeventfd, but missed the qemu side patch for irqfd and ioeventfd. > > I met the compile error when I compiled virtio-pci.c file in qemu-kvm like this: > > /root/work/vmdq/vhost/qemu-kvm/hw/virtio-pci.c:384: error: `KVM_IRQFD` undeclared (first use in this function) > /root/work/vmdq/vhost/qemu-kvm/hw/virtio-pci.c:400: error: `KVM_IOEVENTFD` undeclared (first use in this function) > > Which qemu tree or patch do you use for kvm_irqfd and kvm_ioeventfd? I'm using the headers from upstream kernel. I'll send a patch for that. > Thanks > Xiaohui > > -----Original Message----- > From: Michael S. Tsirkin [mailto:mst@redhat.com] > Sent: Sunday, September 13, 2009 1:46 PM > To: Xin, Xiaohui > Cc: Ira W. Snyder; netdev@vger.kernel.org; virtualization@lists.linux-foundation.org; kvm@vger.kernel.org; linux-kernel@vger.kernel.org; mingo@elte.hu; linux-mm@kvack.org; akpm@linux-foundation.org; hpa@zytor.com; gregory.haskins@gmail.com; Rusty Russell; s.hetze@linux-ag.com; avi@redhat.com > Subject: Re: [PATCHv5 3/3] vhost_net: a kernel-level virtio server > > On Fri, Sep 11, 2009 at 11:17:33PM +0800, Xin, Xiaohui wrote: > > Michael, > > We are very interested in your patch and want to have a try with it. > > I have collected your 3 patches in kernel side and 4 patches in queue side. > > The patches are listed here: > > > > PATCHv5-1-3-mm-export-use_mm-unuse_mm-to-modules.patch > > PATCHv5-2-3-mm-reduce-atomic-use-on-use_mm-fast-path.patch > > PATCHv5-3-3-vhost_net-a-kernel-level-virtio-server.patch > > > > PATCHv3-1-4-qemu-kvm-move-virtio-pci[1].o-to-near-pci.o.patch > > PATCHv3-2-4-virtio-move-features-to-an-inline-function.patch > > PATCHv3-3-4-qemu-kvm-vhost-net-implementation.patch > > PATCHv3-4-4-qemu-kvm-add-compat-eventfd.patch > > > > I applied the kernel patches on v2.6.31-rc4 and the qemu patches on latest kvm qemu. > > But seems there are some patches are needed at least irqfd and ioeventfd patches on > > current qemu. I cannot create a kvm guest with "-net nic,model=virtio,vhost=vethX". > > > > May you kindly advice us the patch lists all exactly to make it work? > > Thanks a lot. :-) > > > > Thanks > > Xiaohui > > > The irqfd/ioeventfd patches are part of Avi's kvm.git tree: > git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm.git > > I expect them to be merged by 2.6.32-rc1 - right, Avi? > > -- > MST -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org