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Fix racecondition in hypervisor-handler thread #385

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Merged
merged 1 commit into from
Apr 9, 2025
Merged

Fix racecondition in hypervisor-handler thread #385

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5 changes: 1 addition & 4 deletions src/hyperlight_host/src/hypervisor/hypervisor_handler.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -323,7 +323,6 @@ impl HypervisorHandler {
// call.
execution_variables.set_thread_id(unsafe { pthread_self() })?;
}
execution_variables.running.store(true, Ordering::SeqCst);

#[cfg(target_os = "linux")]
execution_variables.run_cancelled.store(false);
Expand Down Expand Up @@ -392,9 +391,6 @@ impl HypervisorHandler {
HypervisorHandlerAction::DispatchCallFromHost(function_name) => {
let hv = hv.as_mut().ok_or_else(|| new_error!("Hypervisor not initialized"))?;

// Lock to indicate an action is being performed in the hypervisor
execution_variables.running.store(true, Ordering::SeqCst);

#[cfg(target_os = "linux")]
execution_variables.run_cancelled.store(false);

Expand Down Expand Up @@ -599,6 +595,7 @@ impl HypervisorHandler {
// `TerminateHandlerThread`.
}

self.set_running(true);
self.communication_channels
.to_handler_tx
.send(hypervisor_handler_action)
Expand Down