Re: Seeing DMAR errors after multiple load/unload with SR-IOV

[David Woodhouse]

On Tue, 2011-06-07 at 06:38 -0700, Chris Wright wrote:
> I think we still leak the list entry though.  Bottom line is that we
> need to handle hotplug ADD_DEVICE and DEL_DEVICE notifications.  We
> happen to pick up ADD_DEVICE by accident, but it's all pretty sloppy. 

Yeah, keeping a list of possible stale 'pci_dev' pointers is stupid. We
should figure out the matching DMAR unit directly from the ACPI table at
ADD_DEVICE time, and store it in pdev->archdata.iommu.

I saw patches which were going in that direction...

-- 
dwmw2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/