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8203469: Faster safepoints

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Reviewed-by: dcubed, pchilanomate, dholmes, acorn, coleenp, eosterlund
This commit is contained in:
Robbin Ehn 2019-02-15 14:15:10 +01:00
parent 66aa45649a
commit bec8431683
19 changed files with 647 additions and 712 deletions
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3
src/hotspot/share/runtime/mutexLocker.cpp
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@ -72,7 +72,6 @@ Mutex* TouchedMethodLog_lock = NULL;
Mutex* RetData_lock = NULL;
Monitor* VMOperationQueue_lock = NULL;
Monitor* VMOperationRequest_lock = NULL;
Monitor* Safepoint_lock = NULL;
Monitor* SerializePage_lock = NULL;
Monitor* Threads_lock = NULL;
Mutex* NonJavaThreadsList_lock = NULL;
@ -275,8 +274,6 @@ void mutex_init() {
// CMS_bitMap_lock leaf 1
// CMS_freeList_lock leaf 2
def(Safepoint_lock , PaddedMonitor, safepoint, true, Monitor::_safepoint_check_sometimes); // locks SnippetCache_lock/Threads_lock
def(Threads_lock , PaddedMonitor, barrier, true, Monitor::_safepoint_check_sometimes);
def(NonJavaThreadsList_lock , PaddedMutex, leaf, true, Monitor::_safepoint_check_never);