hv: schedule: minor fix about the return type of need_offline

ACRN Coding guidelines requires type conversion shall be explicity. However,
there's no need for this case since we could return bool directly.

Tracked-On: #1842
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Author: lifeix

hypervisor/common/hv_main.c

@@ -88,7 +88,7 @@ void default_idle(__unused struct sched_object *obj)
 	while (1) {
 		if (need_reschedule(pcpu_id)) {
 			schedule();
-		} else if (need_offline(pcpu_id) != 0) {
+		} else if (need_offline(pcpu_id)) {
 			cpu_dead();
 		} else if (need_shutdown_vm(pcpu_id)) {
 			shutdown_vm_from_idle(pcpu_id);

hypervisor/common/schedule.c

@@ -136,7 +136,7 @@ void make_pcpu_offline(uint16_t pcpu_id)
 	}
 }
 
-int32_t need_offline(uint16_t pcpu_id)
+bool need_offline(uint16_t pcpu_id)
 {
 	struct sched_context *ctx = &per_cpu(sched_ctx, pcpu_id);
 

hypervisor/include/common/schedule.h

@@ -49,7 +49,7 @@ void remove_from_cpu_runqueue(struct sched_object *obj);
 void make_reschedule_request(uint16_t pcpu_id, uint16_t delmode);
 bool need_reschedule(uint16_t pcpu_id);
 void make_pcpu_offline(uint16_t pcpu_id);
-int32_t need_offline(uint16_t pcpu_id);
+bool need_offline(uint16_t pcpu_id);
 void make_shutdown_vm_request(uint16_t pcpu_id);
 bool need_shutdown_vm(uint16_t pcpu_id);