[PATCH-for-10.1,v3,8/9] hw/arm/virt-acpi: Do not advertise disabled GIC ITS

Commit Message

Philippe Mathieu-Daudé April 3, 2025, 8:40 p.m. UTC

GIC ITS can be disabled at runtime using '-M its=off',
which sets VirtMachineState::its = false. Check this
field to avoid advertising the ITS in the MADT table.

Reported-by: Udo Steinberg <[e-mail]>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2886
Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
Reviewed-by: Gustavo Romero <[e-mail]>
---
 hw/arm/virt-acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index e7e27951cb9..38a9e6fe0c5 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -212,7 +212,7 @@  static bool its_enabled(VirtMachineState *vms)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
 
-    return !vmc->no_its;
+    return !vmc->no_its && vms->its;
 }
 
 /*