From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools

---
 kernel/kernel/sched/cpufreq.c |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/kernel/kernel/sched/cpufreq.c b/kernel/kernel/sched/cpufreq.c
index 42ce32a..17fa956 100644
--- a/kernel/kernel/sched/cpufreq.c
+++ b/kernel/kernel/sched/cpufreq.c
@@ -1,18 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Scheduler code and data structures related to cpufreq.
  *
  * Copyright (C) 2016, Intel Corporation
  * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/cpufreq.h>
 
 #include "sched.h"
 
-DEFINE_PER_CPU(struct update_util_data *, cpufreq_update_util_data);
+DEFINE_PER_CPU(struct update_util_data __rcu *, cpufreq_update_util_data);
+EXPORT_PER_CPU_SYMBOL_GPL(cpufreq_update_util_data);
 
 /**
  * cpufreq_add_update_util_hook - Populate the CPU's update_util_data pointer.
@@ -53,8 +51,8 @@
  *
  * Clear the update_util_data pointer for the given CPU.
  *
- * Callers must use RCU-sched callbacks to free any memory that might be
- * accessed via the old update_util_data pointer or invoke synchronize_sched()
+ * Callers must use RCU callbacks to free any memory that might be
+ * accessed via the old update_util_data pointer or invoke synchronize_rcu()
  * right after this function to avoid use-after-free.
  */
 void cpufreq_remove_update_util_hook(int cpu)
@@ -78,3 +76,4 @@
 		(policy->dvfs_possible_from_any_cpu &&
 		 rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data)));
 }
+EXPORT_SYMBOL_GPL(cpufreq_this_cpu_can_update);

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