disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/torture.h
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@@ -1,23 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0+ */
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 /*
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  * Common functions for in-kernel torture tests.
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  *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, you can access it online at
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- * http://www.gnu.org/licenses/gpl-2.0.html.
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- *
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  * Copyright IBM Corporation, 2014
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  *
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- * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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+ * Author: Paul E. McKenney <paulmck@linux.ibm.com>
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  */
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 #ifndef __LINUX_TORTURE_H
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@@ -50,11 +37,12 @@
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 	do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0)
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 /* Definitions for online/offline exerciser. */
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+typedef void torture_ofl_func(void);
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 bool torture_offline(int cpu, long *n_onl_attempts, long *n_onl_successes,
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 		     unsigned long *sum_offl, int *min_onl, int *max_onl);
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 bool torture_online(int cpu, long *n_onl_attempts, long *n_onl_successes,
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 		    unsigned long *sum_onl, int *min_onl, int *max_onl);
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-int torture_onoff_init(long ooholdoff, long oointerval);
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+int torture_onoff_init(long ooholdoff, long oointerval, torture_ofl_func *f);
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 void torture_onoff_stats(void);
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 bool torture_onoff_failures(void);
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@@ -67,6 +55,11 @@
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 #define DEFINE_TORTURE_RANDOM_PERCPU(name) \
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 	DEFINE_PER_CPU(struct torture_random_state, name)
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 unsigned long torture_random(struct torture_random_state *trsp);
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+static inline void torture_random_init(struct torture_random_state *trsp)
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+{
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+	trsp->trs_state = 0;
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+	trsp->trs_count = 0;
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+}
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 /* Task shuffler, which causes CPUs to occasionally go idle. */
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 void torture_shuffle_task_register(struct task_struct *tp);
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@@ -77,8 +70,8 @@
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 int torture_shutdown_init(int ssecs, void (*cleanup)(void));
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 /* Task stuttering, which forces load/no-load transitions. */
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-void stutter_wait(const char *title);
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-int torture_stutter_init(int s);
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+bool stutter_wait(const char *title);
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+int torture_stutter_init(int s, int sgap);
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 /* Initialization and cleanup. */
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 bool torture_init_begin(char *ttype, int v);
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@@ -98,10 +91,10 @@
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 #define torture_stop_kthread(n, tp) \
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 	_torture_stop_kthread("Stopping " #n " task", &(tp))
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-#ifdef CONFIG_PREEMPT
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+#ifdef CONFIG_PREEMPTION
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 #define torture_preempt_schedule() preempt_schedule()
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 #else
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-#define torture_preempt_schedule()
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+#define torture_preempt_schedule()	do { } while (0)
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 #endif
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 #endif /* __LINUX_TORTURE_H */