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xen-devel
[Xen-devel] Re: [PATCH v3] xen: implement unplug protocol in xen_platfor
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To: |
stefano.stabellini@xxxxxxxxxxxxx |
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Subject: |
[Xen-devel] Re: [PATCH v3] xen: implement unplug protocol in xen_platform |
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From: |
Alexander Graf <agraf@xxxxxxx> |
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Date: |
Thu, 30 Jun 2011 13:45:35 +0200 |
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kwolf@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, mst@xxxxxxxxxx, qemu-devel@xxxxxxxxxx, armbru@xxxxxxxxxx, anthony@xxxxxxxxxxxxx, anthony.perard@xxxxxxxxxx |
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Thu, 30 Jun 2011 04:46:34 -0700 |
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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 definitely want to see an ack from Kevin here first though.
Alex
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