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iothread: fix vcpu stop with smp tcg 

Round robin vcpus in tcg_cpu_next even if the vm stopped. This
allows all cpus to enter stopped state.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Marcelo Tosatti 2010-02-09 12:49:04 -02:00 committed by Anthony Liguori
parent 5307d7d35e
commit c37cc7b072
1 changed files with 3 additions and 2 deletions
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5
vl.c
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@ -3876,14 +3876,15 @@ static void tcg_cpu_exec(void)
for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) { for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
CPUState *env = cur_cpu = next_cpu; CPUState *env = cur_cpu = next_cpu;
if (!vm_running)
break;
if (timer_alarm_pending) { if (timer_alarm_pending) {
timer_alarm_pending = 0; timer_alarm_pending = 0;
break; break;
} }
if (cpu_can_run(env)) if (cpu_can_run(env))
ret = qemu_cpu_exec(env); ret = qemu_cpu_exec(env);
else if (env->stop)
break;
if (ret == EXCP_DEBUG) { if (ret == EXCP_DEBUG) {
gdb_set_stop_cpu(env); gdb_set_stop_cpu(env);
debug_requested = 1; debug_requested = 1;