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8335217: Fix memory ordering in ClassLoaderData::ChunkedHandleList

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Reviewed-by: dholmes, stefank, eosterlund
This commit is contained in:
Zhengyu Gu 2024-06-29 20:40:51 +00:00
parent bb18498d71
commit d9bcf06145
1 changed files with 4 additions and 4 deletions
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8
src/hotspot/share/classfile/classLoaderData.cpp
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@ -202,9 +202,9 @@ OopHandle ClassLoaderData::ChunkedHandleList::add(oop o) {
int ClassLoaderData::ChunkedHandleList::count() const {
int count = 0;
Chunk* chunk = _head;
Chunk* chunk = Atomic::load_acquire(&_head);
while (chunk != nullptr) {
count += chunk->_size;
count += Atomic::load(&chunk->_size);
chunk = chunk->_next;
}
return count;
@ -258,9 +258,9 @@ bool ClassLoaderData::ChunkedHandleList::contains(oop p) {
#ifndef PRODUCT
bool ClassLoaderData::ChunkedHandleList::owner_of(oop* oop_handle) {
Chunk* chunk = _head;
Chunk* chunk = Atomic::load_acquire(&_head);
while (chunk != nullptr) {
if (&(chunk->_data[0]) <= oop_handle && oop_handle < &(chunk->_data[chunk->_size])) {
if (&(chunk->_data[0]) <= oop_handle && oop_handle < &(chunk->_data[Atomic::load(&chunk->_size)])) {
return true;
}
chunk = chunk->_next;