From: Alexandru Dutu <alexandru.dutu@amd.com>
Date: Sat, 7 Feb 2015 02:01:22 +0000 (-0800)
Subject: cpu: Idle CPU status logic revised
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ad1b17755012c928acf91c95dc1dab4eeba8ff9d;p=gem5.git

cpu: Idle CPU status logic revised

This patch sets the CPU status to idle when the last active thread gets
suspended.
---

diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 55ef04ffc..b48c66c37 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -746,12 +746,13 @@ FullO3CPU<Impl>::suspendContext(ThreadID tid)
     deactivateThread(tid);
 
     // If this was the last thread then unschedule the tick event.
-    if (activeThreads.size() == 0)
+    if (activeThreads.size() == 0) {
         unscheduleTickEvent();
+        lastRunningCycle = curCycle();
+        _status = Idle;
+    }
 
     DPRINTF(Quiesce, "Suspending Context\n");
-    lastRunningCycle = curCycle();
-    _status = Idle;
 }
 
 template <class Impl>