qemu_thread_get_self(&io_thread);
}
+static void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi)
+{
+ qemu_mutex_lock(&cpu->work_mutex);
+ if (cpu->queued_work_first == NULL) {
+ cpu->queued_work_first = wi;
+ } else {
+ cpu->queued_work_last->next = wi;
+ }
+ cpu->queued_work_last = wi;
+ wi->next = NULL;
+ wi->done = false;
+ qemu_mutex_unlock(&cpu->work_mutex);
+
+ qemu_cpu_kick(cpu);
+}
+
void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data)
{
struct qemu_work_item wi;
wi.data = data;
wi.free = false;
- qemu_mutex_lock(&cpu->work_mutex);
- if (cpu->queued_work_first == NULL) {
- cpu->queued_work_first = &wi;
- } else {
- cpu->queued_work_last->next = &wi;
- }
- cpu->queued_work_last = &wi;
- wi.next = NULL;
- wi.done = false;
- qemu_mutex_unlock(&cpu->work_mutex);
-
- qemu_cpu_kick(cpu);
+ queue_work_on_cpu(cpu, &wi);
while (!atomic_mb_read(&wi.done)) {
CPUState *self_cpu = current_cpu;
wi->data = data;
wi->free = true;
- qemu_mutex_lock(&cpu->work_mutex);
- if (cpu->queued_work_first == NULL) {
- cpu->queued_work_first = wi;
- } else {
- cpu->queued_work_last->next = wi;
- }
- cpu->queued_work_last = wi;
- wi->next = NULL;
- wi->done = false;
- qemu_mutex_unlock(&cpu->work_mutex);
-
- qemu_cpu_kick(cpu);
+ queue_work_on_cpu(cpu, wi);
}
static void qemu_kvm_destroy_vcpu(CPUState *cpu)