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s390/bitops: make test functions return bool 

Make s390/bitops test functions return bool values. That enforces return
value range to 0 and 1 and matches with asm-generic/bitops-instrumented.h
declarations as well as some other architectures implementations.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Vasily Gorbik 2019-07-14 20:49:26 +02:00 committed by Heiko Carstens
parent 5518aed82d
commit 0a5c3c2f47
1 changed files with 14 additions and 12 deletions
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26
arch/s390/include/asm/bitops.h
View File

@ -35,6 +35,7 @@
#include <linux/typecheck.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/atomic_ops.h>
#include <asm/barrier.h>
@ -118,7 +119,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
__atomic64_xor(mask, (long *)addr);
}
static inline int
static inline bool
test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@ -129,7 +130,7 @@ test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
return (old & mask) != 0;
}
static inline int
static inline bool
test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@ -140,7 +141,7 @@ test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
return (old & ~mask) != 0;
}
static inline int
static inline bool
test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@ -173,7 +174,7 @@ static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr)
*addr ^= 1 << (nr & 7);
}
static inline int
static inline bool
__test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@ -184,7 +185,7 @@ __test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
static inline int
static inline bool
__test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@ -195,7 +196,7 @@ __test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
static inline int
static inline bool
__test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@ -206,7 +207,7 @@ __test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr)
static inline bool test_bit(unsigned long nr, const volatile unsigned long *ptr)
{
const volatile unsigned char *addr;
@ -215,8 +216,8 @@ static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr)
return (*addr >> (nr & 7)) & 1;
}
static inline int test_and_set_bit_lock(unsigned long nr,
volatile unsigned long *ptr)
static inline bool test_and_set_bit_lock(unsigned long nr,
volatile unsigned long *ptr)
{
if (test_bit(nr, ptr))
return 1;
@ -261,7 +262,8 @@ static inline void clear_bit_inv(unsigned long nr, volatile unsigned long *ptr)
return clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
static inline int test_and_clear_bit_inv(unsigned long nr, volatile unsigned long *ptr)
static inline bool test_and_clear_bit_inv(unsigned long nr,
volatile unsigned long *ptr)
{
return test_and_clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
@ -276,8 +278,8 @@ static inline void __clear_bit_inv(unsigned long nr, volatile unsigned long *ptr
return __clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
static inline int test_bit_inv(unsigned long nr,
const volatile unsigned long *ptr)
static inline bool test_bit_inv(unsigned long nr,
const volatile unsigned long *ptr)
{
return test_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}