Merge pull request #21335 from hangshao0/0.51

pshipton · web-flow · commit 66a19397af50 · 2025-03-11T22:49:11.000-04:00
(0.51) Unprotect header when modifying extraStartupHints
diff --git a/runtime/shared_common/CompositeCache.cpp b/runtime/shared_common/CompositeCache.cpp
@@ -6809,6 +6809,8 @@ SH_CompositeCacheImpl::setExtraStartupHints(J9VMThread* currentThread, U_32 val)
 		return;
 	}
 	Trc_SHR_Assert_True(hasWriteMutex(currentThread));
+	unprotectHeaderReadWriteArea(currentThread, false);
 	_theca->extraStartupHints = val;
+	protectHeaderReadWriteArea(currentThread, false);
 	Trc_SHR_CC_setExtraStartupHints_Event(currentThread, val);
 }

Original file line number	Diff line number	Diff line change
`@@ -6809,6 +6809,8 @@ SH_CompositeCacheImpl::setExtraStartupHints(J9VMThread* currentThread, U_32 val)`
`6809`	`6809`	`return;`
`6810`	`6810`	`}`
`6811`	`6811`	`Trc_SHR_Assert_True(hasWriteMutex(currentThread));`
	`6812`	`+ unprotectHeaderReadWriteArea(currentThread, false);`
`6812`	`6813`	`_theca->extraStartupHints = val;`
	`6814`	`+ protectHeaderReadWriteArea(currentThread, false);`
`6813`	`6815`	`Trc_SHR_CC_setExtraStartupHints_Event(currentThread, val);`
`6814`	`6816`	`}`