archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 06:45:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8058563: InstanceKlass::_dependencies list isn't cleared from empty nmethodBucket entries

Browse source 
Reviewed-by: mgerdin, vlivanov
This commit is contained in:
Stefan Karlsson 2015-10-13 10:06:46 +02:00
parent db5f26110b
commit 0c74942fe6
6 changed files with 243 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

6
hotspot/src/share/vm/code/nmethod.cpp
View file

@ -1628,7 +1628,11 @@ void nmethod::flush_dependencies(BoolObjectClosure* is_alive) {
// During GC the is_alive closure is non-NULL, and is used to
// determine liveness of dependees that need to be updated.
if (is_alive == NULL || klass->is_loader_alive(is_alive)) {
InstanceKlass::cast(klass)->remove_dependent_nmethod(this);
// The GC defers deletion of this entry, since there might be multiple threads
// iterating over the _dependencies graph. Other call paths are single-threaded
// and may delete it immediately.
bool delete_immediately = is_alive == NULL;
InstanceKlass::cast(klass)->remove_dependent_nmethod(this, delete_immediately);
}
}
}