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    SubjectRe: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support
    On Fri, Nov 07, 2008 at 01:18:52PM +0800, Zhao, Yu wrote:
    > Greg KH wrote:
    >> On Wed, Oct 22, 2008 at 04:38:09PM +0800, Yu Zhao 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
    >>> will benefit KVM and achieve other purposes such as QoS, security,
    >>> and etc.
    >> Is there any actual users of this API around yet? How was it tested as
    >> there is no hardware to test on? Which drivers are going to have to be
    >> rewritten to take advantage of this new interface?
    >
    > Yes, the API is used by Intel, HP, NextIO and some other anonymous
    > companies as they rise questions and send me feedback. I haven't seen their
    > works but I guess some of drivers using SR-IOV API are going to be released
    > soon.

    Well, we can't merge infrastructure without seeing the users of that
    infrastructure, right?

    > My test was done with Intel 82576 Gigabit Ethernet Controller. The product
    > brief is at http://download.intel.com/design/network/ProdBrf/320025.pdf and
    > the spec is available at
    > http://download.intel.com/design/network/datashts/82576_Datasheet_v2p1.pdf

    Cool, do you have that driver we can see?

    How does it interact and handle the kvm and xen issues that have been
    posted?

    thanks,

    greg k-h


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