diff options
| -rw-r--r-- | src/mem/cache/cache_impl.hh | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh index 7b332e31d..8e6c39644 100644 --- a/src/mem/cache/cache_impl.hh +++ b/src/mem/cache/cache_impl.hh @@ -172,7 +172,7 @@ Cache<TagStore>::satisfyCpuSideRequest(PacketPtr pkt, BlkType *blk, // on ReadExReq we give up our copy unconditionally tags->invalidateBlk(blk); } else if (blk->isWritable() && !pending_downgrade - && !pkt->sharedAsserted()) { + && !pkt->sharedAsserted() && !pkt->req->isInstFetch()) { // we can give the requester an exclusive copy (by not // asserting shared line) on a read request if: // - we have an exclusive copy at this level (& below) @@ -180,7 +180,9 @@ Cache<TagStore>::satisfyCpuSideRequest(PacketPtr pkt, BlkType *blk, // signaling another read request // - no other cache above has a copy (otherwise it // would have asseretd shared line on request) - + // - we are not satisfying an instruction fetch (this + // prevents dirty data in the i-cache) + if (blk->isDirty()) { // special considerations if we're owner: if (!deferred_response && !isTopLevel) { |