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8256425: Obsolete Biased Locking in JDK 18

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Reviewed-by: kvn, dholmes, dcubed, rrich
This commit is contained in:
Patricio Chilano Mateo 2021-06-24 18:54:41 +00:00
parent 595446bff4
commit 2fd7943ec1
165 changed files with 293 additions and 5261 deletions
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4
src/hotspot/share/prims/jvmtiEnvBase.cpp
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@ -41,7 +41,6 @@
#include "prims/jvmtiManageCapabilities.hpp"
#include "prims/jvmtiTagMap.hpp"
#include "prims/jvmtiThreadState.inline.hpp"
#include "runtime/biasedLocking.hpp"
#include "runtime/deoptimization.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/handles.inline.hpp"
@ -970,9 +969,6 @@ JvmtiEnvBase::get_object_monitor_usage(JavaThread* calling_thread, jobject objec
uint32_t debug_bits = 0;
// first derive the object's owner and entry_count (if any)
{
// Revoke any biases before querying the mark word
BiasedLocking::revoke_at_safepoint(hobj);
address owner = NULL;
{
markWord mark = hobj()->mark();