Update for version 6.15.4-lqx2

linux-clang/linux6.15-zen/patches/gpl_patch.patch

@@ -0,0 +1,19 @@
+diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
+index 4102108..72474d8 100644
+--- a/kernel/rcu/tree_plugin.h
++++ b/kernel/rcu/tree_plugin.h
+@@ -406,7 +406,7 @@ void __rcu_read_lock(void)
+                WRITE_ONCE(current->rcu_read_unlock_special.b.need_qs, true);
+        barrier();  /* critical section after entry code. */
+ }
+-EXPORT_SYMBOL_GPL(__rcu_read_lock);
++EXPORT_SYMBOL(__rcu_read_lock);
+
+ /*
+  * Preemptible RCU implementation for rcu_read_unlock().
+@@ -431,7 +431,7 @@ void __rcu_read_unlock(void)
+                WARN_ON_ONCE(rrln < 0 || rrln > RCU_NEST_PMAX);
+        }
+ }
+-EXPORT_SYMBOL_GPL(__rcu_read_unlock);
++EXPORT_SYMBOL(__rcu_read_unlock);