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[Xen-devel] Re: [PATCH v3] xen: implement unplug protocol in xen_platform

Am 30.06.2011 13:45, schrieb Alexander Graf:
> On 06/28/2011 01:29 PM, stefano.stabellini@xxxxxxxxxxxxx wrote:
>> From: Stefano Stabellini<stefano.stabellini@xxxxxxxxxxxxx>
>> The unplug protocol is necessary to support PV drivers in the guest: the
>> drivers expect to be able to "unplug" emulated disks and nics before
>> initializing the Xen PV interfaces.
>> It is responsibility of the guest to make sure that the unplug is done
>> before the emulated devices or the PV interface start to be used.
>> We use pci_for_each_device to walk the PCI bus, identify the devices and
>> disks that we want to disable and dynamically unplug them.
> $ ~/git/qemu/scripts/checkpatch.pl *
> ERROR: space required after that ',' (ctx:VxV)
> #158: FILE: hw/ide/piix.c:240:
> +    },{
>        ^
> total: 1 errors, 0 warnings, 130 lines checked

I think checkpatch.pl should be fixed in this case. We do have this
pattern all over the place in qemu and I don't see why it's bad.

> I definitely want to see an ack from Kevin here first though.

The approach looks good enough for me, unless someone has a better idea
on how to do it cleanly. I commented on the implementation.


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