ARM: trusted_foundations: Implement L2 cache initialization callback

[linux] / kernel / torture.c

diff --git a/kernel/torture.c b/kernel/torture.c
index bbf6d47..8faa1a9 100644 (file)
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Common functions for in-kernel torture tests.
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
  * Copyright (C) IBM Corporation, 2014
  *
- * Author: Paul E. McKenney <paulmck@us.ibm.com>
+ * Author: Paul E. McKenney <paulmck@linux.ibm.com>
  *     Based on kernel/rcu/torture.c.
  */
 
@@ -53,7 +40,7 @@
 #include "rcu/rcu.h"
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Paul E. McKenney <paulmck@us.ibm.com>");
+MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");
 
 static char *torture_type;
 static int verbose;
@@ -75,6 +62,7 @@ static DEFINE_MUTEX(fullstop_mutex);
 static struct task_struct *onoff_task;
 static long onoff_holdoff;
 static long onoff_interval;
+static torture_ofl_func *onoff_f;
 static long n_offline_attempts;
 static long n_offline_successes;
 static unsigned long sum_offline;
@@ -118,6 +106,8 @@ bool torture_offline(int cpu, long *n_offl_attempts, long *n_offl_successes,
                        pr_alert("%s" TORTURE_FLAG
                                 "torture_onoff task: offlined %d\n",
                                 torture_type, cpu);
+               if (onoff_f)
+                       onoff_f();
                (*n_offl_successes)++;
                delta = jiffies - starttime;
                *sum_offl += delta;
@@ -243,11 +233,12 @@ stop:
 /*
  * Initiate online-offline handling.
  */
-int torture_onoff_init(long ooholdoff, long oointerval)
+int torture_onoff_init(long ooholdoff, long oointerval, torture_ofl_func *f)
 {
 #ifdef CONFIG_HOTPLUG_CPU
        onoff_holdoff = ooholdoff;
        onoff_interval = oointerval;
+       onoff_f = f;
        if (onoff_interval <= 0)
                return 0;
        return torture_create_kthread(torture_onoff, NULL, onoff_task);