int all_blocked = 0;
int i = 0;
+ if (barrier->active == 0) {
+ return -1;
+ }
+
// wait for barrier catch on all cores
while (all_blocked == 0) {
all_blocked = 1;
break;
}
- v3_yield(local_core);
+ v3_yield(local_core,-1);
}
return 0;
int v3_raise_barrier(struct v3_vm_info * vm_info, struct guest_info * local_core) {
int ret = 0;
+
+ if ((vm_info->run_state != VM_RUNNING) ||
+ (vm_info->run_state != VM_SIMULATING)) {
+ return 0;
+ }
+
ret = v3_raise_barrier_nowait(vm_info, local_core);
if (ret != 0) {
int v3_lower_barrier(struct v3_vm_info * vm_info) {
struct v3_barrier * barrier = &(vm_info->barrier);
+
+ if ((vm_info->run_state != VM_RUNNING) ||
+ (vm_info->run_state != VM_SIMULATING)) {
+ return 0;
+ }
+
// Clear the active flag, so cores won't wait
barrier->active = 0;
// wait for cpu bit to clear
while (v3_bitmap_check(&(barrier->cpu_map), core->vcpu_id)) {
- v3_yield(core);
+ v3_yield(core,-1);
}
return 0;