Re: [PATCH 1/2] msi: Invert the sense of the MSI enables.

 >  > - In spec hardware does not require MSI to generate interrupts
 >  >   Which leaves enabling MSI optional.
 > 
 > Actually at least the Qlogic/Pathscale PCI Express ipath adapters
 > cannot generate INTx interrupts -- they definitely do require MSI to
 > operate.

Oh yeah... when I first found out about this, I rechecked the PCI
Express spec and found that in fact legacy INTx interrupts are
optional.  So the ipath adapters that require MSI do conform to the
spec.

 - R.
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