8373627: assert(!is_vthread_transition_disabler()) failed: no suspend allowed for vthread transition disablers

Serguei Spitsyn · Serguei Spitsyn · commit 248519db4a3f · 2025-12-17T19:55:10.000Z
Reviewed-by: pchilanomate Backport-of: 53ebcdb
diff --git a/src/hotspot/share/runtime/mountUnmountDisabler.cpp b/src/hotspot/share/runtime/mountUnmountDisabler.cpp
@@ -367,7 +367,7 @@ MountUnmountDisabler::enable_transition_for_all() {
   OrderAccess::release();
 
   MonitorLocker ml(VThreadTransition_lock);
-  if (exclusive_operation_ongoing()) {
+  if (_is_exclusive) {
     set_exclusive_operation_ongoing(false);
   }
   dec_active_disablers();

Original file line number	Diff line number	Diff line change
`@@ -367,7 +367,7 @@ MountUnmountDisabler::enable_transition_for_all() {`
`367`	`367`	`OrderAccess::release();`
`368`	`368`
`369`	`369`	`MonitorLocker ml(VThreadTransition_lock);`
`370`		`- if (exclusive_operation_ongoing()) {`
	`370`	`+ if (_is_exclusive) {`
`371`	`371`	`set_exclusive_operation_ongoing(false);`
`372`	`372`	`}`
`373`	`373`	`dec_active_disablers();`