From: Andreas Hansson <andreas.hansson@arm.com>
Date: Thu, 7 Mar 2013 10:55:01 +0000 (-0500)
Subject: x86: Make the table walker reset the packet delay
X-Git-Tag: stable_2013_06_16~64
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4645c0d68de84685a844a52a769431aa3edc6ad;p=gem5.git

x86: Make the table walker reset the packet delay

This patch fixes an issue related to the table walker recycling
packets that still have a bus delay that is not accounted for. For
now, we simply ignore the values and reset them to zero.
---

diff --git a/src/arch/x86/pagetable_walker.cc b/src/arch/x86/pagetable_walker.cc
index c768bb428..853e062e7 100644
--- a/src/arch/x86/pagetable_walker.cc
+++ b/src/arch/x86/pagetable_walker.cc
@@ -574,6 +574,9 @@ Walker::WalkerState::recvPacket(PacketPtr pkt)
     assert(!read);
     inflight--;
     if (pkt->isRead()) {
+        // @todo someone should pay for this
+        pkt->busFirstWordDelay = pkt->busLastWordDelay = 0;
+
         state = nextState;
         nextState = Ready;
         PacketPtr write = NULL;