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8269433: Remove effectively unused ReferenceProcessor::_enqueuing_is_done

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Reviewed-by: kbarrett, tschatzl
This commit is contained in:
Albert Mingkun Yang 2021-06-28 14:13:32 +00:00
parent 29bc381da5
commit d0d26f5c55
3 changed files with 1 additions and 12 deletions
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6
src/hotspot/share/gc/shared/genCollectedHeap.cpp
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@ -488,11 +488,7 @@ void GenCollectedHeap::collect_generation(Generation* gen, bool full, size_t siz
// collect() below will enable discovery as appropriate
}
gen->collect(full, clear_soft_refs, size, is_tlab);
if (!rp->enqueuing_is_done()) {
rp->disable_discovery();
} else {
rp->set_enqueuing_is_done(false);
}
rp->disable_discovery();
rp->verify_no_references_recorded();
}

2
src/hotspot/share/gc/shared/referenceProcessor.cpp
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@ -100,7 +100,6 @@ ReferenceProcessor::ReferenceProcessor(BoolObjectClosure* is_subject_to_discover
BoolObjectClosure* is_alive_non_header) :
_is_subject_to_discovery(is_subject_to_discovery),
_discovering_refs(false),
_enqueuing_is_done(false),
_next_id(0),
_is_alive_non_header(is_alive_non_header)
{
@ -199,7 +198,6 @@ ReferenceProcessorStats ReferenceProcessor::process_discovered_references(RefPro
double start_time = os::elapsedTime();
assert(!enqueuing_is_done(), "If here enqueuing should not be complete");
// Stop treating discovered references specially.
disable_discovery();

5
src/hotspot/share/gc/shared/referenceProcessor.hpp
View File

@ -202,7 +202,6 @@ private:
// other collectors in configuration
bool _discovery_is_mt; // true if reference discovery is MT.
bool _enqueuing_is_done; // true if all weak references enqueued
uint _next_id; // round-robin mod _num_queues counter in
// support of work distribution
@ -405,10 +404,6 @@ public:
// Whether we are in a phase when _processing_ is MT.
bool processing_is_mt() const;
// whether all enqueueing of weak references is complete
bool enqueuing_is_done() { return _enqueuing_is_done; }
void set_enqueuing_is_done(bool v) { _enqueuing_is_done = v; }
// iterate over oops
void weak_oops_do(OopClosure* f); // weak roots