s390/uaccess: rename tmp1 and tmp2 variables

Rename tmp1 and tmp2 variables to more meaningful val (for value) and rem
(for remainder).

Except for debug sections the output of "objdump -Dr" of the uaccess object
file is identical before/after this change.
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

arch/s390/lib/uaccess.c

@@ -34,7 +34,7 @@ void debug_user_asce(int exit)
 static unsigned long raw_copy_from_user_key(void *to, const void __user *from,
 					    unsigned long size, unsigned long key)
 {
-	unsigned long tmp1, tmp2;
+	unsigned long val, rem;
 	union oac spec = {
 		.oac2.key = key,
 		.oac2.as = PSW_BITS_AS_SECONDARY,
@@ -42,22 +42,22 @@ static unsigned long raw_copy_from_user_key(void *to, const void __user *from,
 		.oac2.a = 1,
 	};
 
-	tmp1 = -4096UL;
+	val = -4096UL;
 	asm volatile(
 		"	lr	0,%[spec]\n"
 		"0:	mvcos	0(%[to]),0(%[from]),%[size]\n"
 		"1:	jz	5f\n"
-		"	algr	%[size],%[tmp1]\n"
-		"	slgr	%[from],%[tmp1]\n"
-		"	slgr	%[to],%[tmp1]\n"
+		"	algr	%[size],%[val]\n"
+		"	slgr	%[from],%[val]\n"
+		"	slgr	%[to],%[val]\n"
 		"	j	0b\n"
-		"2:	la	%[tmp2],4095(%[from])\n"/* tmp2 = from + 4095 */
-		"	nr	%[tmp2],%[tmp1]\n"	/* tmp2 = (from + 4095) & -4096 */
-		"	slgr	%[tmp2],%[from]\n"
-		"	clgr	%[size],%[tmp2]\n"	/* copy crosses next page boundary? */
+		"2:	la	%[rem],4095(%[from])\n"	/* rem = from + 4095 */
+		"	nr	%[rem],%[val]\n"	/* rem = (from + 4095) & -4096 */
+		"	slgr	%[rem],%[from]\n"
+		"	clgr	%[size],%[rem]\n"	/* copy crosses next page boundary? */
 		"	jnh	6f\n"
-		"3:	mvcos	0(%[to]),0(%[from]),%[tmp2]\n"
-		"4:	slgr	%[size],%[tmp2]\n"
+		"3:	mvcos	0(%[to]),0(%[from]),%[rem]\n"
+		"4:	slgr	%[size],%[rem]\n"
 		"	j	6f\n"
 		"5:	slgr	%[size],%[size]\n"
 		"6:\n"
@@ -66,7 +66,7 @@ static unsigned long raw_copy_from_user_key(void *to, const void __user *from,
 		EX_TABLE(3b, 6b)
 		EX_TABLE(4b, 6b)
 		: [size] "+a" (size), [from] "+a" (from), [to] "+a" (to),
-		  [tmp1] "+a" (tmp1), [tmp2] "=a" (tmp2)
+		  [val] "+a" (val), [rem] "=a" (rem)
 		: [spec] "d" (spec.val)
 		: "cc", "memory", "0");
 	return size;
@@ -98,7 +98,7 @@ EXPORT_SYMBOL(_copy_from_user_key);
 static unsigned long raw_copy_to_user_key(void __user *to, const void *from,
 					  unsigned long size, unsigned long key)
 {
-	unsigned long tmp1, tmp2;
+	unsigned long val, rem;
 	union oac spec = {
 		.oac1.key = key,
 		.oac1.as = PSW_BITS_AS_SECONDARY,
@@ -106,22 +106,22 @@ static unsigned long raw_copy_to_user_key(void __user *to, const void *from,
 		.oac1.a = 1,
 	};
 
-	tmp1 = -4096UL;
+	val = -4096UL;
 	asm volatile(
 		"	lr	0,%[spec]\n"
 		"0:	mvcos	0(%[to]),0(%[from]),%[size]\n"
 		"1:	jz	5f\n"
-		"	algr	%[size],%[tmp1]\n"
-		"	slgr	%[to],%[tmp1]\n"
-		"	slgr	%[from],%[tmp1]\n"
+		"	algr	%[size],%[val]\n"
+		"	slgr	%[to],%[val]\n"
+		"	slgr	%[from],%[val]\n"
 		"	j	0b\n"
-		"2:	la	%[tmp2],4095(%[to])\n"	/* tmp2 = to + 4095 */
-		"	nr	%[tmp2],%[tmp1]\n"	/* tmp2 = (to + 4095) & -4096 */
-		"	slgr	%[tmp2],%[to]\n"
-		"	clgr	%[size],%[tmp2]\n"	/* copy crosses next page boundary? */
+		"2:	la	%[rem],4095(%[to])\n"	/* rem = to + 4095 */
+		"	nr	%[rem],%[val]\n"	/* rem = (to + 4095) & -4096 */
+		"	slgr	%[rem],%[to]\n"
+		"	clgr	%[size],%[rem]\n"	/* copy crosses next page boundary? */
 		"	jnh	6f\n"
-		"3:	mvcos	0(%[to]),0(%[from]),%[tmp2]\n"
-		"4:	slgr	%[size],%[tmp2]\n"
+		"3:	mvcos	0(%[to]),0(%[from]),%[rem]\n"
+		"4:	slgr	%[size],%[rem]\n"
 		"	j	6f\n"
 		"5:	slgr	%[size],%[size]\n"
 		"6:\n"
@@ -130,7 +130,7 @@ static unsigned long raw_copy_to_user_key(void __user *to, const void *from,
 		EX_TABLE(3b, 6b)
 		EX_TABLE(4b, 6b)
 		: [size] "+a" (size), [to] "+a" (to), [from] "+a" (from),
-		  [tmp1] "+a" (tmp1), [tmp2] "=a" (tmp2)
+		  [val] "+a" (val), [rem] "=a" (rem)
 		: [spec] "d" (spec.val)
 		: "cc", "memory", "0");
 	return size;
@@ -155,27 +155,27 @@ EXPORT_SYMBOL(_copy_to_user_key);
 
 unsigned long __clear_user(void __user *to, unsigned long size)
 {
-	unsigned long tmp1, tmp2;
+	unsigned long val, rem;
 	union oac spec = {
 		.oac1.as = PSW_BITS_AS_SECONDARY,
 		.oac1.a = 1,
 	};
 
-	tmp1 = -4096UL;
+	val = -4096UL;
 	asm volatile(
 		"	lr	0,%[spec]\n"
 		"0:	mvcos	0(%[to]),0(%[zeropg]),%[size]\n"
 		"1:	jz	5f\n"
-		"	algr	%[size],%[tmp1]\n"
-		"	slgr	%[to],%[tmp1]\n"
+		"	algr	%[size],%[val]\n"
+		"	slgr	%[to],%[val]\n"
 		"	j	0b\n"
-		"2:	la	%[tmp2],4095(%[to])\n"	/* tmp2 = to + 4095 */
-		"	nr	%[tmp2],%[tmp1]\n"	/* tmp2 = (to + 4095) & -4096 */
-		"	slgr	%[tmp2],%[to]\n"
-		"	clgr	%[size],%[tmp2]\n"	/* copy crosses next page boundary? */
+		"2:	la	%[rem],4095(%[to])\n"	/* rem = to + 4095 */
+		"	nr	%[rem],%[val]\n"	/* rem = (to + 4095) & -4096 */
+		"	slgr	%[rem],%[to]\n"
+		"	clgr	%[size],%[rem]\n"	/* copy crosses next page boundary? */
 		"	jnh	6f\n"
-		"3:	mvcos	0(%[to]),0(%[zeropg]),%[tmp2]\n"
-		"4:	slgr	%[size],%[tmp2]\n"
+		"3:	mvcos	0(%[to]),0(%[zeropg]),%[rem]\n"
+		"4:	slgr	%[size],%[rem]\n"
 		"	j	6f\n"
 		"5:	slgr	%[size],%[size]\n"
 		"6:\n"
@@ -184,7 +184,7 @@ unsigned long __clear_user(void __user *to, unsigned long size)
 		EX_TABLE(3b, 6b)
 		EX_TABLE(4b, 6b)
 		: [size] "+&a" (size), [to] "+&a" (to),
-		  [tmp1] "+a" (tmp1), [tmp2] "=&a" (tmp2)
+		  [val] "+a" (val), [rem] "=&a" (rem)
 		: [zeropg] "a" (empty_zero_page), [spec] "d" (spec.val)
 		: "cc", "memory", "0");
 	return size;