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-rw-r--r--src/mem/coherent_xbar.cc13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mem/coherent_xbar.cc b/src/mem/coherent_xbar.cc
index 223ab6ab5..8407f5350 100644
--- a/src/mem/coherent_xbar.cc
+++ b/src/mem/coherent_xbar.cc
@@ -198,7 +198,18 @@ CoherentXBar::recvTimingReq(PacketPtr pkt, PortID slave_port_id)
" SF size: %i lat: %i\n", src_port->name(),
pkt->cmdString(), pkt->getAddr(), sf_res.first.size(),
sf_res.second);
- forwardTiming(pkt, slave_port_id, sf_res.first);
+
+ if (pkt->evictingBlock()) {
+ // for block-evicting packets, i.e. writebacks and
+ // clean evictions, there is no need to snoop up, as
+ // all we do is determine if the block is cached or
+ // not, instead just set it here based on the snoop
+ // filter result
+ if (!sf_res.first.empty())
+ pkt->setBlockCached();
+ } else {
+ forwardTiming(pkt, slave_port_id, sf_res.first);
+ }
} else {
forwardTiming(pkt, slave_port_id);
}