mem: fix use after free issue in memories until 4-phase work complete.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mem/simple_mem.hh b/src/mem/simple_mem.hh
index f1bad7d9f..ab002f270 100644
--- a/src/mem/simple_mem.hh
+++ b/src/mem/simple_mem.hh
@@ -118,6 +118,12 @@ class SimpleMemory : public AbstractMemory
 
     EventWrapper<SimpleMemory, &SimpleMemory::release> releaseEvent;
 
+    /** @todo this is a temporary workaround until the 4-phase code is
+     * committed. upstream caches needs this packet until true is returned, so
+     * hold onto it for deletion until a subsequent call
+     */
+    std::vector<PacketPtr> pendingDelete;
+
   public:
 
     SimpleMemory(const SimpleMemoryParams *p);