Re: PCI: MSI interrupts masked using prohibited method

From: Krzysztof Halasa
Date: Thu Jul 17 2008 - 08:16:38 EST

Matthew Wilcox <matthew@xxxxxx> writes:

> For these devices, we call
> msi_set_enable(entry->dev, !flag);
> which turns off the PCI_MSI_FLAGS_ENABLE bit. I'm not sure I see the
> bit in the PCI spec that says devices are then allowed to ignore the
> Interrupt Disable bit in the device control register, but I concede such
> devices may be out there.

Remember that MSI predates INTX disable bit.
Krzysztof Halasa
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