Re: [Bugfix 1/3] xen/pci: Kill function xen_setup_acpi_sci()

From: David Vrabel
Date: Tue Jan 20 2015 - 04:55:13 EST


On 20/01/15 02:21, Jiang Liu wrote:
> Currently Xen Domain0 has special treatment for ACPI SCI interrupt,
> that is initialize irq for ACPI SCI at early stage in a special way as:
> xen_init_IRQ()
> ->pci_xen_initial_domain()
> ->xen_setup_acpi_sci()
> Allocate and initialize irq for ACPI SCI
>
> Function xen_setup_acpi_sci() calls acpi_gsi_to_irq() to get an irq
> number for ACPI SCI. But unfortunately acpi_gsi_to_irq() depends on
> IOAPIC irqdomains through following path
> acpi_gsi_to_irq()
> ->mp_map_gsi_to_irq()
> ->mp_map_pin_to_irq()
> ->check IOAPIC irqdomain

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Thanks.

David
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