On 2015/10/5 18:03, Joerg Roedel wrote:
> Hi Jiang,
>
> On Sat, Oct 03, 2015 at 03:36:35PM +0800, Jiang Liu wrote:
>> So to summary, I think we only need following change to fix the
>> regression:
>> int pcibios_alloc_irq(struct pci_dev *dev)
>> {
>> + if (pci_dev_msi_enabled(dev))
>> + return -EBUSY;
>>
>> What do you think?
>
> Yes, that works too and has the added benefit that no driver can attach
> to the iommu device and get in the way of the driver.
>
> Will you send the patch for this change or should I do it?
Hi Joerg,
We are on leave for Chinese National Holiday and has limited
access to my working environment. It would be appreciated if you could
help to send out a patch for it. Otherwise I will send out a patch
within 2-3 days.
Thanks!
Gerry
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