Re: [Qemu-devel] [SeaBIOS] [RESEND PATCH v3] hotplug: add device per func in ACPI DSDT tables

[Gleb Natapov]

On Fri, May 11, 2012 at 11:44:02PM +0800, Jiang Liu wrote:
> On 05/11/2012 06:14 PM, Gleb Natapov wrote:
> >> I'm not familiar with qemu:(
> >> On native OS, admin could trigger PCI device hotplug operations through
> >> /sys/bus/pci/slot/xx/power. Not sure whether that's needed for guest OS 
> >> too. 
> >>
> > Why is it needed on physical HW? May be it is needed in a VM for the
> > same reason?
> As Amos has mentioned, it's used power on/off a PCI device instead of physical
> hotplug. Not sure whether it's needed in guest OS.
Probably for assigned devices.

--
                        Gleb.