From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758776AbXH1T2m (ORCPT ); Tue, 28 Aug 2007 15:28:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762103AbXH1TOq (ORCPT ); Tue, 28 Aug 2007 15:14:46 -0400 Received: from cpe-70-113-91-236.austin.res.rr.com ([70.113.91.236]:52005 "EHLO ericvh.homeip.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762089AbXH1TOo (ORCPT ); Tue, 28 Aug 2007 15:14:44 -0400 From: Eric Van Hensbergen To: linux-kernel@vger.kernel.org Cc: lguest@ozlabs.org, v9fs-developer@lists.sourceforge.net, kvm-devel@lists.sourceforge.net Subject: [RFC] 9p Virtualization Transports Date: Tue, 28 Aug 2007 13:52:36 -0500 Message-Id: <11883271601857-git-send-email-ericvh@gmail.com> X-Mailer: git-send-email 1.5.0.2.gfbe3d-dirty Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This patch set contains a set of virtualization transports for the 9p file system intended to provide a mechanism for guests to access a portion of the hosts name space without having to go through a virtualized network. Shared memory based transports are provided for lguest using a variation of the lguest console code and for KVM using a synthetic PCI device. The patches to the qemu portion of the latter will be posted to the kvm-devel list later today. Also provided is a much older hack implementation which was used on XenPPC to communicated between Dom0 and DomU as part of the PROSE (http://www.research.ibm.com/prose) and Libra projects. It is not our intent to push the Xen shared memory transport into the kernel, but we are providing it in this patch-set for historical reference. The lguest and kvm transports are functional, but we are still working out remaining bugs and need to spend some time focusing on performance issues. I wanted to send out this "preview" patch set to the community to solicit ideas on things we can do differently/better. -eric