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8378176: Concurrent GC worker threads may suffer from priority inversion

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Reviewed-by: kbarrett, ayang, tschatzl
This commit is contained in:
Erik Österlund 2026-03-26 09:29:53 +00:00
parent c64f7357a5
commit aea8947e9d
3 changed files with 2 additions and 5 deletions
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3
src/hotspot/share/gc/shared/concurrentGCThread.cpp
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@ -33,9 +33,8 @@ ConcurrentGCThread::ConcurrentGCThread() :
_should_terminate(false),
_has_terminated(false) {}
void ConcurrentGCThread::create_and_start(ThreadPriority prio) {
void ConcurrentGCThread::create_and_start() {
if (os::create_thread(this, os::gc_thread)) {
os::set_priority(this, prio);
os::start_thread(this);
}
}

2
src/hotspot/share/gc/shared/concurrentGCThread.hpp
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@ -36,7 +36,7 @@ private:
Atomic<bool> _has_terminated;
protected:
void create_and_start(ThreadPriority prio = NearMaxPriority);
void create_and_start();
virtual void run_service() = 0;
virtual void stop_service() = 0;

2
src/hotspot/share/gc/shared/workerThread.cpp
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@ -210,8 +210,6 @@ WorkerThread::WorkerThread(const char* name_prefix, uint name_suffix, WorkerTask
}
void WorkerThread::run() {
os::set_priority(this, NearMaxPriority);
while (true) {
_dispatcher->worker_run_task();
}