disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/sh/include/asm/checksum_32.h
..
..
@@ -1,11 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0 */
1
2
 #ifndef __ASM_SH_CHECKSUM_H
2
3
 #define __ASM_SH_CHECKSUM_H
3
4
 
4
5
 /*
5
- * This file is subject to the terms and conditions of the GNU General Public
6
- * License.  See the file "COPYING" in the main directory of this archive
7
- * for more details.
8
- *
9
6
  * Copyright (C) 1999 by Kaz Kojima & Niibe Yutaka
10
7
  */
11
8
 
..
..
@@ -33,10 +30,9 @@
33
30
  * better 64-bit) boundary
34
31
  */
35
32
 
36
-asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
37
-					    int len, __wsum sum,
38
-					    int *src_err_ptr, int *dst_err_ptr);
33
+asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, int len);
39
34
 
35
+#define _HAVE_ARCH_CSUM_AND_COPY
40
36
 /*
41
37
  *	Note: when you get a NULL pointer exception here this means someone
42
38
  *	passed in an incorrect kernel address to one of these functions.
..
..
@@ -45,18 +41,18 @@
45
41
  *	access_ok().
46
42
  */
47
43
 static inline
48
-__wsum csum_partial_copy_nocheck(const void *src, void *dst,
49
-				 int len, __wsum sum)
44
+__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len)
50
45
 {
51
-	return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);
46
+	return csum_partial_copy_generic(src, dst, len);
52
47
 }
53
48
 
49
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
54
50
 static inline
55
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
56
-				   int len, __wsum sum, int *err_ptr)
51
+__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len)
57
52
 {
58
-	return csum_partial_copy_generic((__force const void *)src, dst,
59
-					len, sum, err_ptr, NULL);
53
+	if (!access_ok(src, len))
54
+		return 0;
55
+	return csum_partial_copy_generic((__force const void *)src, dst, len);
60
56
 }
61
57
 
62
58
 /*
..
..
@@ -197,16 +193,10 @@
197
193
 #define HAVE_CSUM_COPY_USER
198
194
 static inline __wsum csum_and_copy_to_user(const void *src,
199
195
 					   void __user *dst,
200
-					   int len, __wsum sum,
201
-					   int *err_ptr)
196
+					   int len)
202
197
 {
203
-	if (access_ok(VERIFY_WRITE, dst, len))
204
-		return csum_partial_copy_generic((__force const void *)src,
205
-						dst, len, sum, NULL, err_ptr);
206
-
207
-	if (len)
208
-		*err_ptr = -EFAULT;
209
-
210
-	return (__force __wsum)-1; /* invalid checksum */
198
+	if (!access_ok(dst, len))
199
+		return 0;
200
+	return csum_partial_copy_generic((__force const void *)src, dst, len);
211
201
 }
212
202
 #endif /* __ASM_SH_CHECKSUM_H */