From 0087061681869c9aaab81c3797020b083a83d46a Mon Sep 17 00:00:00 2001
From: Ron Dreslinski <rdreslin@umich.edu>
Date: Mon, 9 Oct 2006 00:27:41 -0400
Subject: Don't create a response if one isn't needed.

--HG--
extra : convert_revision : 37bd230f527f64eb12779157869aae9dcfdde7fd
---
 src/mem/cache/cache_impl.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index 9ce8f515d..ac2d7af8b 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -620,7 +620,9 @@ Cache<TagStore,Buffering,Coherence>::probe(Packet * &pkt, bool update, CachePort
                 lat = memSidePort->sendAtomic(busPkt);
 
                 //Be sure to flip the response to a request for coherence
-                busPkt->makeAtomicResponse();
+                if (busPkt->needsResponse()) {
+                    busPkt->makeAtomicResponse();
+                }
 
 /*		if (!(busPkt->flags & SATISFIED)) {
                     // blocked at a higher level, just return
-- 
cgit v1.2.3