disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/arch/x86/kernel/itmt.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * itmt.c: Support Intel Turbo Boost Max Technology 3.0
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  *
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  * (C) Copyright 2016 Intel Corporation
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  * Author: Tim Chen <tim.c.chen@linux.intel.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; version 2
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- * of the License.
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  *
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  * On platforms supporting Intel Turbo Boost Max Technology 3.0, (ITMT),
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  * the maximum turbo frequencies of some cores in a CPU package may be
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@@ -43,8 +39,7 @@
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 unsigned int __read_mostly sysctl_sched_itmt_enabled;
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 static int sched_itmt_update_handler(struct ctl_table *table, int write,
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-				     void __user *buffer, size_t *lenp,
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-				     loff_t *ppos)
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+				     void *buffer, size_t *lenp, loff_t *ppos)
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 {
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 	unsigned int old_sysctl;
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 	int ret;
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@@ -69,8 +64,6 @@
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 	return ret;
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 }
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-static unsigned int zero;
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-static unsigned int one = 1;
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 static struct ctl_table itmt_kern_table[] = {
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 	{
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 		.procname	= "sched_itmt_enabled",
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@@ -78,8 +71,8 @@
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 		.maxlen		= sizeof(unsigned int),
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 		.mode		= 0644,
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 		.proc_handler	= sched_itmt_update_handler,
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-		.extra1		= &zero,
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-		.extra2		= &one,
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+		.extra1		= SYSCTL_ZERO,
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+		.extra2		= SYSCTL_ONE,
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 	},
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 	{}
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 };