infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-05-18 17:37:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

8152846: Creation of ModuleEntryTable Investigate Need For OrderAccess::storestore()

Browse Source 
Remove the unneeded OrderAccess::storestore() call

Reviewed-by: acorn, coleenp
This commit is contained in:
Harold Seigel 2016-04-06 07:37:15 -04:00
parent b51a55a78c
commit 2904ea7d45
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
hotspot/src/share/vm/classfile/classLoaderData.cpp
View File

@ -373,13 +373,10 @@ PackageEntryTable* ClassLoaderData::packages() {
// Lazily create the package entry table at first request.
if (_packages == NULL) {
MutexLockerEx m1(metaspace_lock(), Mutex::_no_safepoint_check_flag);
// Check again if _packages has been allocated while we were getting this lock.
if (_packages != NULL) {
return _packages;
// Check if _packages got allocated while we were waiting for this lock.
if (_packages == NULL) {
_packages = new PackageEntryTable(PackageEntryTable::_packagetable_entry_size);
}
// Ensure _packages is stable, since it is examined without a lock
OrderAccess::storestore();
_packages = new PackageEntryTable(PackageEntryTable::_packagetable_entry_size);
}
return _packages;
}