core: Make CPUBarrier a unique_ptr instead of a shared_ptr

This will always outlive the Cpu instances, since it's destroyed after
we destroy the Cpu instances on shutdown, so there's no need for shared
ownership semantics here.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/core/core_cpu.h b/src/core/core_cpu.h
index ee7e04abc..68d83ac8f 100644
--- a/src/core/core_cpu.h
+++ b/src/core/core_cpu.h
@@ -41,8 +41,8 @@ private:
 
 class Cpu {
 public:
-    Cpu(std::shared_ptr<ExclusiveMonitor> exclusive_monitor,
-        std::shared_ptr<CpuBarrier> cpu_barrier, std::size_t core_index);
+    Cpu(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, CpuBarrier& cpu_barrier,
+        std::size_t core_index);
     ~Cpu();
 
     void RunLoop(bool tight_loop = true);
@@ -77,7 +77,7 @@ private:
     void Reschedule();
 
     std::unique_ptr<ARM_Interface> arm_interface;
-    std::shared_ptr<CpuBarrier> cpu_barrier;
+    CpuBarrier& cpu_barrier;
     std::shared_ptr<Kernel::Scheduler> scheduler;
 
     std::atomic<bool> reschedule_pending = false;