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author | Eric Auger <eric.auger@redhat.com> | 2025-07-07 18:40:30 +0200 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2025-07-10 11:41:15 +0100 |
commit | f36032440f5dd7ceb90833dd44600363b1472757 (patch) | |
tree | d02556bbfa3e74610898a5c66b6276ff4c9e5cc7 | |
parent | 4ee1efc9871936e2561212e409ad094c2ae83cad (diff) | |
download | qemu-f36032440f5dd7ceb90833dd44600363b1472757.zip qemu-f36032440f5dd7ceb90833dd44600363b1472757.tar.gz qemu-f36032440f5dd7ceb90833dd44600363b1472757.tar.bz2 |
hw/arm/arm_gicv3_kvm: Add a migration blocker with kvm nested virt
We may be miss some NV related GIC register save/restore. Until
we complete the study, let's add a migration blocker when the
maintenance IRQ is set.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20250707164129.1167837-5-eric.auger@redhat.com
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | hw/intc/arm_gicv3_kvm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c index b30aac7..8ed88e7 100644 --- a/hw/intc/arm_gicv3_kvm.c +++ b/hw/intc/arm_gicv3_kvm.c @@ -827,8 +827,16 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp) } if (s->maint_irq) { + Error *kvm_nv_migration_blocker = NULL; int ret; + error_setg(&kvm_nv_migration_blocker, + "Live migration disabled because KVM nested virt is enabled"); + if (migrate_add_blocker(&kvm_nv_migration_blocker, errp)) { + error_free(kvm_nv_migration_blocker); + return; + } + ret = kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, 0); if (!ret) { |