Re: [PATCH V2 1/4] ACPI,PCI,IRQ: factor in PCI possible

From: Rafael J. Wysocki
Date: Wed Jun 29 2016 - 09:13:17 EST


On Wed, Jun 29, 2016 at 10:27 AM, Sinan Kaya <okaya@xxxxxxxxxxxxxx> wrote:
> The change introduced in commit 103544d86976 ("ACPI,PCI,IRQ: reduce
> resource requirements") omitted the initially assigned POSSIBLE penalty
> when the IRQ is active.

It would be good to say what can go wrong with that here.

> The original code would assign the POSSIBLE value divided by the number
> of possible IRQs during initialization.
>
> Later, if the IRQ is chosen as the active IRQ or if the IRQ is in use
> by ISA; additional penalties get added.

Thanks,
Rafael