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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@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230624174121.11508-6-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-04-05 09:15:26 +02:00
parent 43477340c3
commit 83d0f7f95c
2 changed files with 4 additions and 0 deletions
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3
target/i386/hax/hax-accel-ops.c
View File

@ -53,6 +53,8 @@ static void *hax_cpu_thread_fn(void *arg)
qemu_wait_io_event(cpu); qemu_wait_io_event(cpu);
} while (!cpu->unplug || cpu_can_run(cpu)); } while (!cpu->unplug || cpu_can_run(cpu));
hax_vcpu_destroy(cpu);
cpu_thread_signal_destroyed(cpu);
rcu_unregister_thread(); rcu_unregister_thread();
return NULL; return NULL;
} }
@ -69,6 +71,7 @@ static void hax_start_vcpu_thread(CPUState *cpu)
cpu->cpu_index); cpu->cpu_index);
qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn, qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn,
cpu, QEMU_THREAD_JOINABLE); cpu, QEMU_THREAD_JOINABLE);
assert(cpu->hax_vcpu);
#ifdef _WIN32 #ifdef _WIN32
cpu->hThread = qemu_thread_get_handle(cpu->thread); cpu->hThread = qemu_thread_get_handle(cpu->thread);
#endif #endif

1
target/i386/hax/hax-all.c
View File

@ -209,6 +209,7 @@ int hax_vcpu_destroy(CPUState *cpu)
CloseHandle(cpu->hThread); CloseHandle(cpu->hThread);
#endif #endif
g_free(vcpu); g_free(vcpu);
cpu->hax_vcpu = NULL;
return 0; return 0;
} }