On Tue, May 05, 2020 at 03:43:05PM +0200, Gerd Hoffmann wrote: > With ACPI enabled and IO-APIC being properly declared in the ACPI tables > we can use interrupt lines 16-23 for virtio and avoid shared interrupts. > > With acpi disabled we continue to use lines 8-15. > > Signed-off-by: Gerd Hoffmann <kra...@redhat.com> > --- > hw/i386/microvm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Sergio Lopez <s...@redhat.com>
> diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
> index 2aa2804e4ca0..08ed2a17f2ca 100644
> --- a/hw/i386/microvm.c
> +++ b/hw/i386/microvm.c
> @@ -124,7 +124,7 @@ static void microvm_devices_init(MicrovmMachineState *mms)
>
> kvmclock_create();
>
> - mms->virtio_irq_base = 8;
> + mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 8;
> for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) {
> sysbus_create_simple("virtio-mmio",
> VIRTIO_MMIO_BASE + i * 512,
> --
> 2.18.4
>
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