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SubjectRe: "irq/matrix: Spread interrupts on allocation" breaks nouveau in mainline kernel
On Thu, 25 Jan 2018, Lyude Paul wrote:

> I think you are right, apologies. Glad to know this isn't a regression in the
> IRQ handling code :). It looks like our nouveau problems are probably coming
> from the fact that we don't just leave IRQs setup through suspend/resume which
> as far as I can tell, is probably not the correct thing to do.

If you tear down the interrupt, then you have to make sure that it's
completely masked and disabled on the device side (including MSI).

Thanks,

tglx

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