Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932225Ab0FIPZs (ORCPT ); Wed, 9 Jun 2010 11:25:48 -0400 Received: from cantor2.suse.de ([195.135.220.15]:41200 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754337Ab0FIPZq (ORCPT ); Wed, 9 Jun 2010 11:25:46 -0400 Date: Wed, 9 Jun 2010 08:25:14 -0700 From: Greg KH To: Avi Kivity Cc: Tom Lyon , randy.dunlap@oracle.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, chrisw@sous-sol.org, joro@8bytes.org, hjk@linutronix.de, mst@redhat.com, aafabbri@cisco.com, scofeldm@cisco.com Subject: Re: [PATCH V2] VFIO driver: Non-privileged user level PCI drivers Message-ID: <20100609152514.GB21167@suse.de> References: <4c0eb470.1HMjondO00NIvFM6%pugs@cisco.com> <4C0F7555.6050802@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C0F7555.6050802@redhat.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1266 Lines: 34 On Wed, Jun 09, 2010 at 02:04:53PM +0300, Avi Kivity wrote: > On 06/09/2010 12:21 AM, Tom Lyon wrote: > >The VFIO "driver" is used to allow privileged AND non-privileged processes to > >implement user-level device drivers for any well-behaved PCI, PCI-X, and PCIe > >devices. > > Signed-off-by: Tom Lyon > >--- > >This version now requires an IOMMU domain to be set before any access to > >device registers is granted (except that config space may be read). In > >addition, the VFIO_DMA_MAP_ANYWHERE is dropped - it used the dma_map_sg API > >which does not have sufficient controls around IOMMU usage. The IOMMU domain > >is obtained from the 'uiommu' driver which is included in this patch. > > > >Various locking, security, and documentation issues have also been fixed. > > > >Please commit - it or me! > >But seriously, who gets to commit this? Avi for KVM? > > Definitely not me. > > >or GregKH for drivers? > > I guess. If this ever gets that far, I'll be glad to take it. thanks, greg k-h -- 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/