# Node ID c32578991199dcbca0f7a55230e6b396a531941f
# Parent  2a0f7f75fe9c814a2969f4ac52bc14e9c53e336d
diff --git a/src/cpu/o3/commit.hh b/src/cpu/o3/commit.hh
--- a/src/cpu/o3/commit.hh
+++ b/src/cpu/o3/commit.hh
@@ -218,6 +218,9 @@
     /** Takes over from another CPU's thread. */
     void takeOverFrom();
 
+    /** Activates a thread */
+    void activateThread(ThreadID tid);
+
     /** Deschedules a thread from scheduling */
     void deactivateThread(ThreadID tid);
 
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh
--- a/src/cpu/o3/commit_impl.hh
+++ b/src/cpu/o3/commit_impl.hh
@@ -456,6 +456,15 @@
 
 template <class Impl>
 void
+DefaultCommit<Impl>::activateThread(ThreadID tid)
+{
+    DPRINTF(Commit, "Activating thread\n");
+    commitStatus[tid] = Running;
+    priority_list.push_back(tid);
+}
+
+template <class Impl>
+void
 DefaultCommit<Impl>::deactivateThread(ThreadID tid)
 {
     list<ThreadID>::iterator thread_it = std::find(priority_list.begin(),
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -738,6 +738,7 @@
         // deschedule itself.
         activityRec.activity();
         fetch.wakeFromQuiesce(tid);
+        commit.activateThread(tid);
 
         Cycles cycles(curCycle() - lastRunningCycle);
         // @todo: This is an oddity that is only here to match the stats