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[PATCH v2 13/13] microvm/acpi: use GSI 16-23 for virtio
From: |
Gerd Hoffmann |
Subject: |
[PATCH v2 13/13] microvm/acpi: use GSI 16-23 for virtio |
Date: |
Tue, 5 May 2020 15:43:05 +0200 |
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 <address@hidden>
---
hw/i386/microvm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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
- [PATCH v2 09/13] microvm: add minimal acpi support, (continued)
[PATCH v2 03/13] acpi: madt: skip pci override on pci-less systems (microvm), Gerd Hoffmann, 2020/05/05
[PATCH v2 11/13] microvm: add acpi_dsdt_add_virtio() for x86, Gerd Hoffmann, 2020/05/05
[PATCH v2 13/13] microvm/acpi: use GSI 16-23 for virtio,
Gerd Hoffmann <=
[PATCH v2 04/13] acpi: move acpi_build_facs to acpi-common.c, Gerd Hoffmann, 2020/05/05
[PATCH v2 12/13] microvm: make virtio irq base runtime configurable, Gerd Hoffmann, 2020/05/05
[PATCH v2 05/13] acpi: move acpi_init_common_fadt_data to acpi-common.c, Gerd Hoffmann, 2020/05/05
[PATCH v2 08/13] acpi: generic event device for x86, Gerd Hoffmann, 2020/05/05