On 06/09/09 16:51, Paul Brook wrote:
On Tuesday 09 June 2009, Han, Weidong wrote:
Paul Brook wrote:
On Monday 08 June 2009, Weidong Han wrote:
When hot remove an assigned device, segmentation fault was triggered
by qemu_free(&pci_dev->qdev) in pci_unregister_device().
pci_register_device() doesn't initialize or set pci_dev->qdev. For an
assigned device, qdev variable isn't touched at all. So segmentation
fault happens when to free a non-initialized qdev.
Better would be to just disable hot remove for devices still using
the legacy pci_register_device API.
PCI passthrough uses pci_register_device to register assigned device to
qemu. Is there newer API to do so?
Yes. See e.g. LSI scsi emulation.
Well. Except that you can't (yet) register pci config read/write
callbacks using the qdev-based API.
cheers,
Gerd
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