From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/arch/powerpc/platforms/pseries/scanlog.c | 23 +++++++++--------------
1 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/kernel/arch/powerpc/platforms/pseries/scanlog.c b/kernel/arch/powerpc/platforms/pseries/scanlog.c
index 054ce7a..2879c4f 100644
--- a/kernel/arch/powerpc/platforms/pseries/scanlog.c
+++ b/kernel/arch/powerpc/platforms/pseries/scanlog.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* c 2001 PPC 64 Team, IBM Corp
- *
- * 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.
*
* scan-log-data driver for PPC64 Todd Inglett <tinglett@vnet.ibm.com>
*
@@ -63,7 +59,7 @@
return -EINVAL;
}
- if (!access_ok(VERIFY_WRITE, buf, count))
+ if (!access_ok(buf, count))
return -EFAULT;
for (;;) {
@@ -156,13 +152,12 @@
return 0;
}
-static const struct file_operations scanlog_fops = {
- .owner = THIS_MODULE,
- .read = scanlog_read,
- .write = scanlog_write,
- .open = scanlog_open,
- .release = scanlog_release,
- .llseek = noop_llseek,
+static const struct proc_ops scanlog_proc_ops = {
+ .proc_read = scanlog_read,
+ .proc_write = scanlog_write,
+ .proc_open = scanlog_open,
+ .proc_release = scanlog_release,
+ .proc_lseek = noop_llseek,
};
static int __init scanlog_init(void)
@@ -180,7 +175,7 @@
goto err;
ent = proc_create("powerpc/rtas/scan-log-dump", 0400, NULL,
- &scanlog_fops);
+ &scanlog_proc_ops);
if (!ent)
goto err;
return 0;
--
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