linux-kernel - Re: [PATCH v3 5/9] xen/pvh: Make sure we don't use ACPI_IRQ_MODEL

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Date:   Tue, 7 Feb 2017 11:19:10 +0100
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:     roger.pau@...rix.com, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/9] xen/pvh: Make sure we don't use ACPI_IRQ_MODEL_PIC
 for SCI

On 06/02/17 18:00, Boris Ostrovsky wrote:
> Since we are not using PIC and (at least currently) don't have IOAPIC
> we want to make sure that acpi_irq_model doesn't stay set to
> ACPI_IRQ_MODEL_PIC (which is the default value). If we allowed it to
> stay then acpi_os_install_interrupt_handler() would try (and fail) to
> request_irq() for PIC.
> 
> Instead we set the model to ACPI_IRQ_MODEL_PLATFORM which will prevent
> this from happening.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen