Re: [Qemu-devel] [PATCH v2 2/2] ivshmem: use irqfd to interrupt among VMs

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2012-12-05 06:34, Cam Macdonell wrote:
>>  static void ivshmem_write_config(PCIDevice *pci_dev, uint32_t address,
>>                                  uint32_t val, int len)
>>  {
>> +    bool is_enabled, was_enabled = msi_enabled(pci_dev);
>> +
>>      pci_default_write_config(pci_dev, address, val, len);
>> +    is_enabled = msi_enabled(pci_dev);
> 
> Problem 1)  in my tests is_enabled is always 0, so I don't think the
> irqfds are getting setup

You likely want to call msix_enabled here.

Jan

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