add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/arch/x86/include/asm/uaccess_32.h
..
..
@@ -23,33 +23,6 @@
23
23
 static __always_inline unsigned long
24
24
 raw_copy_from_user(void *to, const void __user *from, unsigned long n)
25
25
 {
26
-	if (__builtin_constant_p(n)) {
27
-		unsigned long ret;
28
-
29
-		switch (n) {
30
-		case 1:
31
-			ret = 0;
32
-			__uaccess_begin_nospec();
33
-			__get_user_asm_nozero(*(u8 *)to, from, ret,
34
-					      "b", "b", "=q", 1);
35
-			__uaccess_end();
36
-			return ret;
37
-		case 2:
38
-			ret = 0;
39
-			__uaccess_begin_nospec();
40
-			__get_user_asm_nozero(*(u16 *)to, from, ret,
41
-					      "w", "w", "=r", 2);
42
-			__uaccess_end();
43
-			return ret;
44
-		case 4:
45
-			ret = 0;
46
-			__uaccess_begin_nospec();
47
-			__get_user_asm_nozero(*(u32 *)to, from, ret,
48
-					      "l", "k", "=r", 4);
49
-			__uaccess_end();
50
-			return ret;
51
-		}
52
-	}
53
26
 	return __copy_user_ll(to, (__force const void *)from, n);
54
27
 }
55
28