[libvirt] [PATCH] qemu: Support multiple queue virtio-scsi

[Eric Blake]

On 04/01/2013 10:31 AM, Osier Yang wrote:
> No, multiple queue is not enabled by default. For "what happens if it
> doesn't match the number of vcpus", honestly, I'm not sure about it,
> my understanding is it doesn't have to match. But matching will have
> the best performance, and with this thought I think an attribute allows
> the user to specify the number makes sense instead of a boolean
> attribute.  @paolo, can you confirm or deny this?

Then maybe all we need is just a recommendation that matching the number
of vcpus tends to give best performance, but not stating that it is
mandatory to match.

> 
>>
>>>         <code>model</code>, which is one of "piix3-uhci",
>>> "piix4-uhci", "ehci",
>>> -      "ich9-ehci1", "ich9-uhci1", "ich9-uhci2", "ich9-uhci3",
>>> -      "vt82c686b-uhci", "pci-ohci" or "nec-xhci". Additionally,
>>> +      "ich9-ehci1", "ich9-uhci1", "ich9-uhci2", "ich9-uhci3",
>>> "vt82c686b-uhci",
>>> +      "pci-ohci" or "nec-xhci". Additionally,
>> Any reason you reformatted these lines?
> 
> I tended to make it more beautiful, but apprently it's not true. :-)

It doesn't affect the html output; so all it affects is the source file
legibility.  But it is unrelated to the patch at hand, and since it
makes no semantic difference, I was merely questioning why you did it.
It's not wrong to leave it in, but it also doesn't add any value so
leaving it unchanged makes for a smaller diff.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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