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

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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
1 changed files with 4 additions and 2 deletions
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6
cpus.c
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@ -1473,6 +1473,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
CPUState *cpu = arg; CPUState *cpu = arg;
int r; int r;
rcu_register_thread();
qemu_mutex_lock_iothread(); qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread); qemu_thread_get_self(cpu->thread);
@ -1484,7 +1485,7 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
hax_init_vcpu(cpu); hax_init_vcpu(cpu);
qemu_cond_signal(&qemu_cpu_cond); qemu_cond_signal(&qemu_cpu_cond);
while (1) { do {
if (cpu_can_run(cpu)) { if (cpu_can_run(cpu)) {
r = hax_smp_cpu_exec(cpu); r = hax_smp_cpu_exec(cpu);
if (r == EXCP_DEBUG) { if (r == EXCP_DEBUG) {
@ -1493,7 +1494,8 @@ static void *qemu_hax_cpu_thread_fn(void *arg)
} }
qemu_wait_io_event(cpu); qemu_wait_io_event(cpu);
} } while (!cpu->unplug || cpu_can_run(cpu));
rcu_unregister_thread();
return NULL; return NULL;
} }