disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/platforms/pseries/scanlog.c
..
..
@@ -1,10 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  c 2001 PPC 64 Team, IBM Corp
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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; either version
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- *      2 of the License, or (at your option) any later version.
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  *
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  * scan-log-data driver for PPC64  Todd Inglett <tinglett@vnet.ibm.com>
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  *
..
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@@ -63,7 +59,7 @@
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 		return -EINVAL;
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 	}
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-	if (!access_ok(VERIFY_WRITE, buf, count))
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+	if (!access_ok(buf, count))
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 		return -EFAULT;
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64
 
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 	for (;;) {
..
..
@@ -156,13 +152,12 @@
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 	return 0;
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 }
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-static const struct file_operations scanlog_fops = {
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-	.owner		= THIS_MODULE,
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-	.read		= scanlog_read,
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-	.write		= scanlog_write,
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-	.open		= scanlog_open,
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-	.release	= scanlog_release,
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-	.llseek		= noop_llseek,
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+static const struct proc_ops scanlog_proc_ops = {
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+	.proc_read	= scanlog_read,
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+	.proc_write	= scanlog_write,
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+	.proc_open	= scanlog_open,
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+	.proc_release	= scanlog_release,
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+	.proc_lseek	= noop_llseek,
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 };
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 static int __init scanlog_init(void)
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@@ -180,7 +175,7 @@
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 		goto err;
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 	ent = proc_create("powerpc/rtas/scan-log-dump", 0400, NULL,
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-			  &scanlog_fops);
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+			  &scanlog_proc_ops);
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 	if (!ent)
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 		goto err;
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 	return 0;