From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 28 Feb 2011 00:24:10 +0000 (-0800)
Subject: X86: Use regular read requests in the walker instead of read exclusive.
X-Git-Tag: stable_2012_02_02~510
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0ce5d3115909752e136cc7d19bafc0808a4e7839;p=gem5.git

X86: Use regular read requests in the walker instead of read exclusive.
---

diff --git a/src/arch/x86/pagetable_walker.cc b/src/arch/x86/pagetable_walker.cc
index 7c386dd02..234ea5961 100644
--- a/src/arch/x86/pagetable_walker.cc
+++ b/src/arch/x86/pagetable_walker.cc
@@ -508,7 +508,7 @@ Walker::WalkerState::stepWalk(PacketPtr &write)
         flags.set(Request::UNCACHEABLE, uncacheable);
         RequestPtr request =
             new Request(nextRead, oldRead->getSize(), flags);
-        read = new Packet(request, MemCmd::ReadExReq, Packet::Broadcast);
+        read = new Packet(request, MemCmd::ReadReq, Packet::Broadcast);
         read->allocate();
         // If we need to write, adjust the read packet to write the modified
         // value back to memory.
@@ -578,7 +578,7 @@ Walker::WalkerState::setupWalk(Addr vaddr)
     if (cr3.pcd)
         flags.set(Request::UNCACHEABLE);
     RequestPtr request = new Request(topAddr, dataSize, flags);
-    read = new Packet(request, MemCmd::ReadExReq, Packet::Broadcast);
+    read = new Packet(request, MemCmd::ReadReq, Packet::Broadcast);
     read->allocate();
 }