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mem: Ensure deferred snoops are cache-line aligned
author
Andreas Hansson
<andreas.hansson@arm.com>
Sun, 19 Feb 2017 10:30:31 +0000
(
05:30
-0500)
committer
Andreas Hansson
<andreas.hansson@arm.com>
Sun, 19 Feb 2017 10:30:31 +0000
(
05:30
-0500)
This patch fixes a bug where a deferred snoop ended up being to a
partial cache line, and not cache-line aligned, all due to how we copy
the packet.
src/mem/cache/mshr.cc
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diff --git
a/src/mem/cache/mshr.cc
b/src/mem/cache/mshr.cc
index 577e8eb7914f618fda286e9b85a3ece711599131..2dd23440a9c5cb48ceb57a392272dc746325ca59 100644
(file)
--- a/
src/mem/cache/mshr.cc
+++ b/
src/mem/cache/mshr.cc
@@
-415,7
+415,7
@@
MSHR::handleSnoop(PacketPtr pkt, Counter _order)
// the packet and the request as part of handling the deferred
// snoop.
PacketPtr cp_pkt = will_respond ? new Packet(pkt, true, true) :
- new Packet(new Request(*pkt->req), pkt->cmd);
+ new Packet(new Request(*pkt->req), pkt->cmd
, blkSize
);
if (will_respond) {
// we are the ordering point, and will consequently