| Message ID | 20200505134305.22666-14-kraxel@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | microvm: add acpi support | expand |
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 <kraxel@redhat.com> > --- > hw/i386/microvm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Sergio Lopez <slp@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 >
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,
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 <kraxel@redhat.com> --- hw/i386/microvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)