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[Xen-devel] disabling the qemu ata pci device on boot

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Tue, 6 Nov 2007 22:01:35 +1100
  • Delivery-date: Tue, 06 Nov 2007 03:02:17 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcggZGXkf5GX9TOwRZKHf7ZOPZaoTw==
  • Thread-topic: disabling the qemu ata pci device on boot

I just about have my Windows PV drivers booting, but because of the way
the hotplug stuff works, the qemu pci ata driver always detects the
disks first. I need to disable it somehow, but only when /GPLPV is
specified in the boot.ini (a la the xensource windows PV drivers).

I can probably just figure out a way to stop Windows detecting it, but
if (for some strange reason) someone wanted to expose a physical Intel
PCI IDE adapter to a HVM domain, I would end up disabling that too, so
it just doesn't seem like the right solution...

Any suggestion of a magical incantation I can perform to do what I want?



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