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| -rw-r--r-- | src/cpu/kvm/base.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/kvm/base.cc b/src/cpu/kvm/base.cc index 250c6a270..6ea99ce4a 100644 --- a/src/cpu/kvm/base.cc +++ b/src/cpu/kvm/base.cc @@ -358,6 +358,13 @@ BaseKvmCPU::drain() return DrainState::Drained; DPRINTF(Drain, "BaseKvmCPU::drain\n"); + + // The event queue won't be locked when calling drain since that's + // not done from an event. Lock the event queue here to make sure + // that scoped migrations continue to work if we need to + // synchronize the thread context. + std::lock_guard<EventQueue> lock(*this->eventQueue()); + switch (_status) { case Running: // The base KVM code is normally ready when it is in the |