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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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3
src/hotspot/share/oops/oop.hpp
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@ -233,7 +233,6 @@ class oopDesc {
// locking operations
inline bool is_locked() const;
inline bool is_unlocked() const;
inline bool has_bias_pattern() const;
// asserts and guarantees
static bool is_oop(oop obj, bool ignore_mark_word = false);
@ -283,8 +282,6 @@ class oopDesc {
inline static bool is_instanceof_or_null(oop obj, Klass* klass);
// identity hash; returns the identity hash key (computes it if necessary)
// NOTE with the introduction of UseBiasedLocking that identity_hash() might reach a
// safepoint if called on a biased object. Calling code must be aware of that.
inline intptr_t identity_hash();
intptr_t slow_identity_hash();