From f54020eb8155371725ab75b0fc5c419287eca084 Mon Sep 17 00:00:00 2001 From: Giacomo Travaglini Date: Mon, 4 Jun 2018 09:40:19 +0100 Subject: misc: Using smart pointers for memory Requests This patch is changing the underlying type for RequestPtr from Request* to shared_ptr. Having memory requests being managed by smart pointers will simplify the code; it will also prevent memory leakage and dangling pointers. Change-Id: I7749af38a11ac8eb4d53d8df1252951e0890fde3 Signed-off-by: Giacomo Travaglini Reviewed-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/10996 Reviewed-by: Nikos Nikoleris Maintainer: Nikos Nikoleris --- src/mem/cache/prefetch/queued.cc | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'src/mem/cache/prefetch') diff --git a/src/mem/cache/prefetch/queued.cc b/src/mem/cache/prefetch/queued.cc index 00d62f17f..3c5647ae3 100644 --- a/src/mem/cache/prefetch/queued.cc +++ b/src/mem/cache/prefetch/queued.cc @@ -59,7 +59,6 @@ QueuedPrefetcher::~QueuedPrefetcher() { // Delete the queued prefetch packets for (DeferredPacket &p : pfq) { - delete p.pkt->req; delete p.pkt; } } @@ -78,7 +77,6 @@ QueuedPrefetcher::notify(const PacketPtr &pkt) while (itr != pfq.end()) { if (itr->pkt->getAddr() == blk_addr && itr->pkt->isSecure() == is_secure) { - delete itr->pkt->req; delete itr->pkt; itr = pfq.erase(itr); } else { @@ -224,7 +222,7 @@ QueuedPrefetcher::insert(AddrPriority &pf_info, bool is_secure) /* Create a prefetch memory request */ RequestPtr pf_req = - new Request(pf_info.first, blkSize, 0, masterId); + std::make_shared(pf_info.first, blkSize, 0, masterId); if (is_secure) { pf_req->setFlags(Request::SECURE); @@ -255,7 +253,6 @@ QueuedPrefetcher::insert(AddrPriority &pf_info, bool is_secure) } DPRINTF(HWPrefetch, "Prefetch queue full, removing lowest priority " "oldest packet, addr: %#x", it->pkt->getAddr()); - delete it->pkt->req; delete it->pkt; pfq.erase(it); } -- cgit v1.2.3