cpus: hax: register/unregister thread with RCU, exit loop on unplug

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-01-30 16:28:49 +01:00
parent a40227911c
commit 9857c2d2f7

6
cpus.c
View file

@ -1473,6 +1473,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
CPUState *cpu = arg;
int r;
rcu_register_thread();
qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread);
@ -1484,7 +1485,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
hax_init_vcpu(cpu);
qemu_cond_signal(&qemu_cpu_cond);
while (1) {
do {
if (cpu_can_run(cpu)) {
r = hax_smp_cpu_exec(cpu);
if (r == EXCP_DEBUG) {
@ -1493,7 +1494,8 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
}
qemu_wait_io_event(cpu);
}
} while (!cpu->unplug || cpu_can_run(cpu));
rcu_unregister_thread();
return NULL;
}