From: Ali Jafri <ali.jafri@arm.com>
Date: Tue, 5 May 2015 07:22:25 +0000 (-0400)
Subject: mem: Add forward snoop check for HardPFReqs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3d334321360de7f8a7ce90b018c10b9495fec198;p=gem5.git

mem: Add forward snoop check for HardPFReqs

We should always check whether the cache is supposed to be forwarding snoops
before generating snoops.
---

diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index 6817db41e..5e6eccec8 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -1950,7 +1950,7 @@ Cache::getTimingPacket()
     } else {
         CacheBlk *blk = tags->findBlock(mshr->blkAddr, mshr->isSecure);
 
-        if (tgt_pkt->cmd == MemCmd::HardPFReq) {
+        if (tgt_pkt->cmd == MemCmd::HardPFReq && forwardSnoops) {
             // We need to check the caches above us to verify that
             // they don't have a copy of this block in the dirty state
             // at the moment. Without this check we could get a stale