From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753856AbYI0SIa (ORCPT ); Sat, 27 Sep 2008 14:08:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752872AbYI0SIU (ORCPT ); Sat, 27 Sep 2008 14:08:20 -0400 Received: from mail-gx0-f16.google.com ([209.85.217.16]:62219 "EHLO mail-gx0-f16.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752428AbYI0SIT (ORCPT ); Sat, 27 Sep 2008 14:08:19 -0400 From: Javier Guerra Giraldez To: "Zhao, Yu" Subject: Re: [PATCH 0/6 v3] PCI: Linux kernel SR-IOV support Date: Sat, 27 Sep 2008 13:07:57 -0500 User-Agent: KMail/1.9.10 Cc: "linux-pci@vger.kernel.org" , Jesse Barnes , Randy Dunlap , Grant Grundler , Alex Chiang , Matthew Wilcox , Roland Dreier , Greg KH , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" References: In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart407519406.Zl8rDPkWmg"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200809271308.03547.javier@guerrag.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart407519406.Zl8rDPkWmg Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Saturday 27 September 2008, Zhao, Yu wrote: > Greetings, > > Following patches are intended to support SR-IOV capability in the Linux > kernel. With these patches, people can turn a PCI device with the > capability into multiple ones from software perspective, which can benefit > KVM and achieve other purposes such as QoS, security, etc. sounds great, i think some Infiniband HBAs have this capability; they even= =20 suggested using on Xen for faster (no hypervisor intervention) communicatio= n=20 between DomU's on the same box. (and transparently to out of the box, of=20 course) does it need an IOMMU (VT-d), or the whole magic is done by the PCI device? =2D-=20 Javier --nextPart407519406.Zl8rDPkWmg Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBI3naDsIoGnxsRK/ERAkVHAJ9tbeSSfMU0bH4M9t0HkpwypJD0wACdHDkx gAPBfS5TDfIR3MWW5SNQ7RE= =leKK -----END PGP SIGNATURE----- --nextPart407519406.Zl8rDPkWmg--