RE: pci_enable_msi() for everyone?

[Nguyen, Tom L]

Monday, June 06, 2005 10:22 PM Greg KH wrote:
>> 
>> Huh?  If a host bridge doesn't support MSI, and a device below it has
>> its MSI capability enabled, we're in big trouble.  Because that
device
>> is going to send interrupt messages whether the bridge likes it or
>> not.
>
>No, that device would never get MSI enabled on it.  See the patch I
>posted to make sure I didn't get it wrong...

You're correct. If a host bridge doesn't support MSI, MSI quirk is set
to indicate that do not enable MSI/MSI-X on any device.

Thanks,
Long
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