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-rw-r--r--src/mem/cache/prefetch/stride.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/stride.cc b/src/mem/cache/prefetch/stride.cc
index cfd2469fa..8af4e615e 100644
--- a/src/mem/cache/prefetch/stride.cc
+++ b/src/mem/cache/prefetch/stride.cc
@@ -46,6 +46,11 @@ StridePrefetcher::calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses,
return;
}
+ if (useContextId && !pkt->req->hasContextId()) {
+ DPRINTF(HWPrefetch, "ignoring request with no context ID");
+ return;
+ }
+
Addr blk_addr = pkt->getAddr() & ~(Addr)(blkSize-1);
int ctx_id = useContextId ? pkt->req->contextId() : 0;
Addr pc = pkt->req->getPC();