Re: [PATCH 3/4 v2] PCI: support SR-IOV capability

From: Alex Chiang
Date: Wed Sep 10 2008 - 18:41:52 EST


* Zhao, Yu <yu.zhao@xxxxxxxxx>:
> On Tuesday, September 02, 2008 12:41 AM, Alex Chiang wrote:
> >
> >So, what happens if another hotplug driver is already loaded?
> >
> >I don't know the SR-IOV spec well enough to know if you are
> >allowed to have SR-IOV + some other form of hotplug, like ACPI or
> >native PCIe.
> >
> >Today, pci_hp_register will return -EBUSY.
> >
> >If SR-IOV really doesn't have anything to do with hotplug, then
> >it may be a candidate for directly calling pci_create_slot(). In
> >that case, 'param' should not be a property of a hotplug slot,
> >but of a generic PCI slot.
>
> That's correct, SR-IOV really doesn't have anything to do with
> hotplug. I was just reusing hotplug sysfs as the control
> interface. Will remove this in next work, and create SR-IOV own
> sysfs entries under /sys/bus/pci/devices/.../iov/...

That sounds like a much better idea to me, thanks.

/ac

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