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locking/atomic: Use s64 for atomic64

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As a step towards making the atomic64 API use consistent types treewide,
let's have the generic atomic64 implementation use s64 as the underlying
type for atomic64_t, rather than long long, matching the generated
headers.

Otherwise, there should be no functional change as a result of this
patch.

Signed-off-by: Mark Rutland <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Mark Rutland 2019-05-22 14:22:35 +01:00 • committed by Ingo Molnar
commit 9255813d58
2 changed files with 26 additions and 26 deletions
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32
lib/atomic64.c
View file

@ -42,11 +42,11 @@ static inline raw_spinlock_t *lock_addr(const atomic64_t *v)
return &atomic64_lock[addr & (NR_LOCKS - 1)].lock;
}
long long atomic64_read(const atomic64_t *v)
s64 atomic64_read(const atomic64_t *v)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
long long val;
s64 val;
raw_spin_lock_irqsave(lock, flags);
val = v->counter;
@ -55,7 +55,7 @@ long long atomic64_read(const atomic64_t *v)
}
EXPORT_SYMBOL(atomic64_read);
void atomic64_set(atomic64_t *v, long long i)
void atomic64_set(atomic64_t *v, s64 i)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
@ -67,7 +67,7 @@ void atomic64_set(atomic64_t *v, long long i)
EXPORT_SYMBOL(atomic64_set);
#define ATOMIC64_OP(op, c_op) \
void atomic64_##op(long long a, atomic64_t *v) \
void atomic64_##op(s64 a, atomic64_t *v) \
{ \
unsigned long flags; \
raw_spinlock_t *lock = lock_addr(v); \
@ -79,11 +79,11 @@ void atomic64_##op(long long a, atomic64_t *v) \
EXPORT_SYMBOL(atomic64_##op);
#define ATOMIC64_OP_RETURN(op, c_op) \
long long atomic64_##op##_return(long long a, atomic64_t *v) \
s64 atomic64_##op##_return(s64 a, atomic64_t *v) \
{ \
unsigned long flags; \
raw_spinlock_t *lock = lock_addr(v); \
long long val; \
s64 val; \
\
raw_spin_lock_irqsave(lock, flags); \
val = (v->counter c_op a); \
@ -93,11 +93,11 @@ long long atomic64_##op##_return(long long a, atomic64_t *v) \
EXPORT_SYMBOL(atomic64_##op##_return);
#define ATOMIC64_FETCH_OP(op, c_op) \
long long atomic64_fetch_##op(long long a, atomic64_t *v) \
s64 atomic64_fetch_##op(s64 a, atomic64_t *v) \
{ \
unsigned long flags; \
raw_spinlock_t *lock = lock_addr(v); \
long long val; \
s64 val; \
\
raw_spin_lock_irqsave(lock, flags); \
val = v->counter; \
@ -130,11 +130,11 @@ ATOMIC64_OPS(xor, ^=)
#undef ATOMIC64_OP_RETURN
#undef ATOMIC64_OP
long long atomic64_dec_if_positive(atomic64_t *v)
s64 atomic64_dec_if_positive(atomic64_t *v)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
long long val;
s64 val;
raw_spin_lock_irqsave(lock, flags);
val = v->counter - 1;
@ -145,11 +145,11 @@ long long atomic64_dec_if_positive(atomic64_t *v)
}
EXPORT_SYMBOL(atomic64_dec_if_positive);
long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n)
s64 atomic64_cmpxchg(atomic64_t *v, s64 o, s64 n)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
long long val;
s64 val;
raw_spin_lock_irqsave(lock, flags);
val = v->counter;
@ -160,11 +160,11 @@ long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n)
}
EXPORT_SYMBOL(atomic64_cmpxchg);
long long atomic64_xchg(atomic64_t *v, long long new)
s64 atomic64_xchg(atomic64_t *v, s64 new)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
long long val;
s64 val;
raw_spin_lock_irqsave(lock, flags);
val = v->counter;
@ -174,11 +174,11 @@ long long atomic64_xchg(atomic64_t *v, long long new)
}
EXPORT_SYMBOL(atomic64_xchg);
long long atomic64_fetch_add_unless(atomic64_t *v, long long a, long long u)
s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
{
unsigned long flags;
raw_spinlock_t *lock = lock_addr(v);
long long val;
s64 val;
raw_spin_lock_irqsave(lock, flags);
val = v->counter;