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-rw-r--r--arch/s390/lib/uaccess_mvcos.c12
-rw-r--r--arch/s390/lib/uaccess_std.c14
2 files changed, 14 insertions, 12 deletions
diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c
index 3f15aaf54855..58da3f461214 100644
--- a/arch/s390/lib/uaccess_mvcos.c
+++ b/arch/s390/lib/uaccess_mvcos.c
@@ -36,7 +36,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
36 tmp1 = -4096UL; 36 tmp1 = -4096UL;
37 asm volatile( 37 asm volatile(
38 "0: .insn ss,0xc80000000000,0(%0,%2),0(%1),0\n" 38 "0: .insn ss,0xc80000000000,0(%0,%2),0(%1),0\n"
39 " jz 7f\n" 39 "9: jz 7f\n"
40 "1:"ALR" %0,%3\n" 40 "1:"ALR" %0,%3\n"
41 " "SLR" %1,%3\n" 41 " "SLR" %1,%3\n"
42 " "SLR" %2,%3\n" 42 " "SLR" %2,%3\n"
@@ -47,7 +47,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
47 " "CLR" %0,%4\n" /* copy crosses next page boundary? */ 47 " "CLR" %0,%4\n" /* copy crosses next page boundary? */
48 " jnh 4f\n" 48 " jnh 4f\n"
49 "3: .insn ss,0xc80000000000,0(%4,%2),0(%1),0\n" 49 "3: .insn ss,0xc80000000000,0(%4,%2),0(%1),0\n"
50 " "SLR" %0,%4\n" 50 "10:"SLR" %0,%4\n"
51 " "ALR" %2,%4\n" 51 " "ALR" %2,%4\n"
52 "4:"LHI" %4,-1\n" 52 "4:"LHI" %4,-1\n"
53 " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */ 53 " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */
@@ -61,7 +61,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
61 " j 8f\n" 61 " j 8f\n"
62 "7:"SLR" %0,%0\n" 62 "7:"SLR" %0,%0\n"
63 "8: \n" 63 "8: \n"
64 EX_TABLE(0b,2b) EX_TABLE(3b,4b) 64 EX_TABLE(0b,2b) EX_TABLE(3b,4b) EX_TABLE(9b,2b) EX_TABLE(10b,4b)
65 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) 65 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
66 : "d" (reg0) : "cc", "memory"); 66 : "d" (reg0) : "cc", "memory");
67 return size; 67 return size;
@@ -82,7 +82,7 @@ static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x)
82 tmp1 = -4096UL; 82 tmp1 = -4096UL;
83 asm volatile( 83 asm volatile(
84 "0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n" 84 "0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n"
85 " jz 4f\n" 85 "6: jz 4f\n"
86 "1:"ALR" %0,%3\n" 86 "1:"ALR" %0,%3\n"
87 " "SLR" %1,%3\n" 87 " "SLR" %1,%3\n"
88 " "SLR" %2,%3\n" 88 " "SLR" %2,%3\n"
@@ -93,11 +93,11 @@ static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x)
93 " "CLR" %0,%4\n" /* copy crosses next page boundary? */ 93 " "CLR" %0,%4\n" /* copy crosses next page boundary? */
94 " jnh 5f\n" 94 " jnh 5f\n"
95 "3: .insn ss,0xc80000000000,0(%4,%1),0(%2),0\n" 95 "3: .insn ss,0xc80000000000,0(%4,%1),0(%2),0\n"
96 " "SLR" %0,%4\n" 96 "7:"SLR" %0,%4\n"
97 " j 5f\n" 97 " j 5f\n"
98 "4:"SLR" %0,%0\n" 98 "4:"SLR" %0,%0\n"
99 "5: \n" 99 "5: \n"
100 EX_TABLE(0b,2b) EX_TABLE(3b,5b) 100 EX_TABLE(0b,2b) EX_TABLE(3b,5b) EX_TABLE(6b,2b) EX_TABLE(7b,5b)
101 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) 101 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
102 : "d" (reg0) : "cc", "memory"); 102 : "d" (reg0) : "cc", "memory");
103 return size; 103 return size;
diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c
index d2ffbadb51a7..07deaeee14c8 100644
--- a/arch/s390/lib/uaccess_std.c
+++ b/arch/s390/lib/uaccess_std.c
@@ -36,12 +36,12 @@ size_t copy_from_user_std(size_t size, const void __user *ptr, void *x)
36 tmp1 = -256UL; 36 tmp1 = -256UL;
37 asm volatile( 37 asm volatile(
38 "0: mvcp 0(%0,%2),0(%1),%3\n" 38 "0: mvcp 0(%0,%2),0(%1),%3\n"
39 " jz 8f\n" 39 "10:jz 8f\n"
40 "1:"ALR" %0,%3\n" 40 "1:"ALR" %0,%3\n"
41 " la %1,256(%1)\n" 41 " la %1,256(%1)\n"
42 " la %2,256(%2)\n" 42 " la %2,256(%2)\n"
43 "2: mvcp 0(%0,%2),0(%1),%3\n" 43 "2: mvcp 0(%0,%2),0(%1),%3\n"
44 " jnz 1b\n" 44 "11:jnz 1b\n"
45 " j 8f\n" 45 " j 8f\n"
46 "3: la %4,255(%1)\n" /* %4 = ptr + 255 */ 46 "3: la %4,255(%1)\n" /* %4 = ptr + 255 */
47 " "LHI" %3,-4096\n" 47 " "LHI" %3,-4096\n"
@@ -50,7 +50,7 @@ size_t copy_from_user_std(size_t size, const void __user *ptr, void *x)
50 " "CLR" %0,%4\n" /* copy crosses next page boundary? */ 50 " "CLR" %0,%4\n" /* copy crosses next page boundary? */
51 " jnh 5f\n" 51 " jnh 5f\n"
52 "4: mvcp 0(%4,%2),0(%1),%3\n" 52 "4: mvcp 0(%4,%2),0(%1),%3\n"
53 " "SLR" %0,%4\n" 53 "12:"SLR" %0,%4\n"
54 " "ALR" %2,%4\n" 54 " "ALR" %2,%4\n"
55 "5:"LHI" %4,-1\n" 55 "5:"LHI" %4,-1\n"
56 " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */ 56 " "ALR" %4,%0\n" /* copy remaining size, subtract 1 */
@@ -65,6 +65,7 @@ size_t copy_from_user_std(size_t size, const void __user *ptr, void *x)
65 "8:"SLR" %0,%0\n" 65 "8:"SLR" %0,%0\n"
66 "9: \n" 66 "9: \n"
67 EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,5b) 67 EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,5b)
68 EX_TABLE(10b,3b) EX_TABLE(11b,3b) EX_TABLE(12b,5b)
68 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) 69 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
69 : : "cc", "memory"); 70 : : "cc", "memory");
70 return size; 71 return size;
@@ -85,12 +86,12 @@ size_t copy_to_user_std(size_t size, void __user *ptr, const void *x)
85 tmp1 = -256UL; 86 tmp1 = -256UL;
86 asm volatile( 87 asm volatile(
87 "0: mvcs 0(%0,%1),0(%2),%3\n" 88 "0: mvcs 0(%0,%1),0(%2),%3\n"
88 " jz 5f\n" 89 "7: jz 5f\n"
89 "1:"ALR" %0,%3\n" 90 "1:"ALR" %0,%3\n"
90 " la %1,256(%1)\n" 91 " la %1,256(%1)\n"
91 " la %2,256(%2)\n" 92 " la %2,256(%2)\n"
92 "2: mvcs 0(%0,%1),0(%2),%3\n" 93 "2: mvcs 0(%0,%1),0(%2),%3\n"
93 " jnz 1b\n" 94 "8: jnz 1b\n"
94 " j 5f\n" 95 " j 5f\n"
95 "3: la %4,255(%1)\n" /* %4 = ptr + 255 */ 96 "3: la %4,255(%1)\n" /* %4 = ptr + 255 */
96 " "LHI" %3,-4096\n" 97 " "LHI" %3,-4096\n"
@@ -99,11 +100,12 @@ size_t copy_to_user_std(size_t size, void __user *ptr, const void *x)
99 " "CLR" %0,%4\n" /* copy crosses next page boundary? */ 100 " "CLR" %0,%4\n" /* copy crosses next page boundary? */
100 " jnh 6f\n" 101 " jnh 6f\n"
101 "4: mvcs 0(%4,%1),0(%2),%3\n" 102 "4: mvcs 0(%4,%1),0(%2),%3\n"
102 " "SLR" %0,%4\n" 103 "9:"SLR" %0,%4\n"
103 " j 6f\n" 104 " j 6f\n"
104 "5:"SLR" %0,%0\n" 105 "5:"SLR" %0,%0\n"
105 "6: \n" 106 "6: \n"
106 EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,6b) 107 EX_TABLE(0b,3b) EX_TABLE(2b,3b) EX_TABLE(4b,6b)
108 EX_TABLE(7b,3b) EX_TABLE(8b,3b) EX_TABLE(9b,6b)
107 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2) 109 : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
108 : : "cc", "memory"); 110 : : "cc", "memory");
109 return size; 111 return size;