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[PATCH v7 10/21] microvm/acpi: use GSI 16-23 for virtio
From: |
Gerd Hoffmann |
Subject: |
[PATCH v7 10/21] microvm/acpi: use GSI 16-23 for virtio |
Date: |
Tue, 8 Sep 2020 14:10:39 +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 5-12.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
---
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 e1b86da8a92e..ca0c9983f137 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -125,7 +125,7 @@ static void microvm_devices_init(MicrovmMachineState *mms)
kvmclock_create();
- mms->virtio_irq_base = 5;
+ mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 5;
for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) {
sysbus_create_simple("virtio-mmio",
VIRTIO_MMIO_BASE + i * 512,
--
2.27.0
- [PATCH v7 00/21] microvm: add acpi support, Gerd Hoffmann, 2020/09/08
- [PATCH v7 02/21] seabios: add microvm config, update build rules, Gerd Hoffmann, 2020/09/08
- [PATCH v7 01/21] microvm: name qboot binary qboot.rom, Gerd Hoffmann, 2020/09/08
- [PATCH v7 04/21] acpi: ged: add control regs, Gerd Hoffmann, 2020/09/08
- [PATCH v7 06/21] acpi: move acpi_dsdt_add_power_button() to ged, Gerd Hoffmann, 2020/09/08
- [PATCH v7 10/21] microvm/acpi: use GSI 16-23 for virtio,
Gerd Hoffmann <=
- [PATCH v7 12/21] microvm/acpi: disable virtio-mmio cmdline hack, Gerd Hoffmann, 2020/09/08
- [PATCH v7 07/21] microvm: make virtio irq base runtime configurable, Gerd Hoffmann, 2020/09/08
- [PATCH v7 13/21] x86: constify x86_machine_is_*_enabled, Gerd Hoffmann, 2020/09/08
- [PATCH v7 16/21] microvm: wire up hotplug, Gerd Hoffmann, 2020/09/08
- [PATCH v7 05/21] acpi: ged: add x86 device variant., Gerd Hoffmann, 2020/09/08
- [PATCH v7 18/21] tests/acpi: allow override blkdev, Gerd Hoffmann, 2020/09/08
- [PATCH v7 21/21] microvm: enable ramfb, Gerd Hoffmann, 2020/09/08
- [PATCH v7 14/21] x86: move acpi_dev from pc/microvm, Gerd Hoffmann, 2020/09/08
- [PATCH v7 19/21] tests/acpi: add microvm test, Gerd Hoffmann, 2020/09/08