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8129108: nmethod related crash in CMS

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Add SO_AllCodeCache to root scanning options when not unloading classes with a CMS collection cycle

Reviewed-by: mgerdin, jwilhelm
This commit is contained in:
Poonam Bajaj 2015-06-25 06:52:05 -07:00
parent e7a2bfa767
commit c7612a1138
1 changed files with 4 additions and 2 deletions
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6
hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
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@ -2702,9 +2702,11 @@ void CMSCollector::setup_cms_unloading_and_verification_state() {
// Not unloading classes this cycle
assert(!should_unload_classes(), "Inconsistency!");
// If we are not unloading classes then add SO_AllCodeCache to root
// scanning options.
add_root_scanning_option(rso);
if ((!verifying() || unloaded_classes_last_cycle()) && should_verify) {
// Include symbols, strings and code cache elements to prevent their resurrection.
add_root_scanning_option(rso);
set_verifying(true);
} else if (verifying() && !should_verify) {
// We were verifying, but some verification flags got disabled.