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8164683: Solaris: JVM abuses thread preemption control

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Complete removal of preemption control and command line arguments (were deprecated in 11).

Reviewed-by: hseigel, pchilanomate, dholmes
This commit is contained in:
Coleen Phillimore 2018-08-10 09:36:01 -04:00
parent 83b2fb5b0d
commit 647c7d5344
14 changed files with 12 additions and 92 deletions
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7
src/hotspot/share/runtime/vmThread.cpp
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@ -482,13 +482,6 @@ void VMThread::loop() {
EventMark em("Executing VM operation: %s", vm_operation()->name());
assert(_cur_vm_operation != NULL, "we should have found an operation to execute");
// Give the VM thread an extra quantum. Jobs tend to be bursty and this
// helps the VM thread to finish up the job.
// FIXME: When this is enabled and there are many threads, this can degrade
// performance significantly.
if( VMThreadHintNoPreempt )
os::hint_no_preempt();
// If we are at a safepoint we will evaluate all the operations that
// follow that also require a safepoint
if (_cur_vm_operation->evaluate_at_safepoint()) {