From e65f0cef3ca70edf37ff74920def4ac899f6c7e3 Mon Sep 17 00:00:00 2001 From: Ron Dreslinski Date: Sun, 8 Oct 2006 19:05:48 -0400 Subject: Only respond if the pkt needs a response. Fix an issue with memory handling writebacks. src/mem/cache/base_cache.hh: src/mem/tport.cc: Only respond if the pkt needs a response. src/mem/physical.cc: Make physical memory respond to writebacks, set satisfied for invalidates/upgrades. --HG-- extra : convert_revision : 7601987a7923e54a6d1a168def4f8133d8de19fd --- src/mem/tport.cc | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/mem/tport.cc') diff --git a/src/mem/tport.cc b/src/mem/tport.cc index 55c301c87..cef7a2a5b 100644 --- a/src/mem/tport.cc +++ b/src/mem/tport.cc @@ -47,9 +47,11 @@ SimpleTimingPort::recvTiming(Packet *pkt) // if we ever added it back. assert(pkt->result != Packet::Nacked); Tick latency = recvAtomic(pkt); - // turn packet around to go back to requester - pkt->makeTimingResponse(); - sendTimingLater(pkt, latency); + // turn packet around to go back to requester if response expected + if (pkt->needsResponse()) { + pkt->makeTimingResponse(); + sendTimingLater(pkt, latency); + } return true; } -- cgit v1.2.3