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8062036: ConcurrentMarkThread::slt may be invoked before ConcurrentMarkThread::makeSurrogateLockerThread causing intermittent crashes

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Suppress gc_alot during VM init, improve error for SLT uninitialized.

Reviewed-by: jmasa, brutisso, tschatzl
This commit is contained in:
Kim Barrett 2014-11-11 13:39:00 -05:00
parent 692dbfd02d
commit 294a63af5f
5 changed files with 23 additions and 5 deletions
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8
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp
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@ -42,8 +42,12 @@ PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
void VM_CMS_Operation::acquire_pending_list_lock() {
// The caller may block while communicating
// with the SLT thread in order to acquire/release the PLL.
ConcurrentMarkSweepThread::slt()->
manipulatePLL(SurrogateLockerThread::acquirePLL);
SurrogateLockerThread* slt = ConcurrentMarkSweepThread::slt();
if (slt != NULL) {
slt->manipulatePLL(SurrogateLockerThread::acquirePLL);
} else {
SurrogateLockerThread::report_missing_slt();
}
}
void VM_CMS_Operation::release_and_notify_pending_list_lock() {