diff options
| -rw-r--r-- | vl.c | 26 |
1 files changed, 20 insertions, 6 deletions
@@ -3383,6 +3383,7 @@ static QemuCond qemu_pause_cond; static void block_io_signals(void); static void unblock_io_signals(void); static int tcg_has_work(void); +static int cpu_has_work(CPUState *env); static int qemu_init_main_loop(void) { @@ -3403,6 +3404,15 @@ static int qemu_init_main_loop(void) return 0; } +static void qemu_wait_io_event_common(CPUState *env) +{ + if (env->stop) { + env->stop = 0; + env->stopped = 1; + qemu_cond_signal(&qemu_pause_cond); + } +} + static void qemu_wait_io_event(CPUState *env) { while (!tcg_has_work()) @@ -3419,11 +3429,15 @@ static void qemu_wait_io_event(CPUState *env) qemu_mutex_unlock(&qemu_fair_mutex); qemu_mutex_lock(&qemu_global_mutex); - if (env->stop) { - env->stop = 0; - env->stopped = 1; - qemu_cond_signal(&qemu_pause_cond); - } + qemu_wait_io_event_common(env); +} + +static void qemu_kvm_wait_io_event(CPUState *env) +{ + while (!cpu_has_work(env)) + qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000); + + qemu_wait_io_event_common(env); } static int qemu_cpu_exec(CPUState *env); @@ -3449,7 +3463,7 @@ static void *kvm_cpu_thread_fn(void *arg) while (1) { if (cpu_can_run(env)) qemu_cpu_exec(env); - qemu_wait_io_event(env); + qemu_kvm_wait_io_event(env); } return NULL; |