[PATCH v2 05/16] accel: Destroy HAX vCPU threads once done

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When the vCPU thread finished its processing, destroy
it and signal its destruction to generic vCPU management
layer.

Add a sanity check for the vCPU accelerator context.

Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
---
 target/i386/hax/hax-accel-ops.c | 3 +++
 target/i386/hax/hax-all.c       | 1 +
 2 files changed, 4 insertions(+)

diff --git a/target/i386/hax/hax-accel-ops.c b/target/i386/hax/hax-accel-ops.c
index 18114fe34d..0157a628a3 100644
--- a/target/i386/hax/hax-accel-ops.c
+++ b/target/i386/hax/hax-accel-ops.c
@@ -53,6 +53,8 @@ static void *hax_cpu_thread_fn(void *arg)
 
         qemu_wait_io_event(cpu);
     } while (!cpu->unplug || cpu_can_run(cpu));
+    hax_vcpu_destroy(cpu);
+    cpu_thread_signal_destroyed(cpu);
     rcu_unregister_thread();
     return NULL;
 }
@@ -69,6 +71,7 @@ static void hax_start_vcpu_thread(CPUState *cpu)
              cpu->cpu_index);
     qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn,
                        cpu, QEMU_THREAD_JOINABLE);
+    assert(cpu->hax_vcpu);
 #ifdef _WIN32
     cpu->hThread = qemu_thread_get_handle(cpu->thread);
 #endif
diff --git a/target/i386/hax/hax-all.c b/target/i386/hax/hax-all.c
index a2321a1eff..38a4323a3c 100644
--- a/target/i386/hax/hax-all.c
+++ b/target/i386/hax/hax-all.c
@@ -209,6 +209,7 @@ int hax_vcpu_destroy(CPUState *cpu)
     CloseHandle(cpu->hThread);
 #endif
     g_free(vcpu);
+    cpu->hax_vcpu = NULL;
     return 0;
 }
 
-- 
2.38.1




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