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-rw-r--r--src/mem/cache/cache_impl.hh4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index e546e2a9a..5aecea7d5 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -825,6 +825,10 @@ Cache<TagStore>::handleResponse(PacketPtr pkt)
}
if (mshr->promoteDeferredTargets()) {
+ assert(mshr->needsExclusive() && !blk->isWritable());
+ // avoid later read getting stale data while write miss is
+ // outstanding.. see comment in timingAccess()
+ blk->status &= ~BlkReadable;
MSHRQueue *mq = mshr->queue;
mq->markPending(mshr);
requestMemSideBus((RequestCause)mq->index, pkt->finishTime);