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SubjectRe: pci_enable_msi() for everyone?

davej> What if MSI support has been disabled in the bridge due to
davej> some quirk (like the recent AMD 8111 quirk) ? Maybe the
davej> above function should check pci_msi_enable as well ?

Greg> Yes, you are correct. I said it wasn't tested :)

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

- R.
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