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x86 atomics: Remove unused WANT_FUNCTIONS

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This macro has not been in use since commit "inline atomics and allow tied
modules to inline locks" (r335873, f4b3640475).

Reviewed by:    markj, kib, emaste, imp
MFC after:      5 days
Sponsored by:   The FreeBSD Foundation
Differential Revision:  https://reviews.freebsd.org/D48061
This commit is contained in:
Olivier Certner 2024-12-09 17:13:09 +01:00
parent f1ddb6fb8c
commit fa368cc86c
No known key found for this signature in database
GPG key ID: 8CA13040971E2627
2 changed files with 0 additions and 18 deletions
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3
sys/amd64/include/atomic.h
View file

@ -385,7 +385,6 @@ ATOMIC_LOADSTORE(long);
#undef ATOMIC_LOAD
#undef ATOMIC_STORE
#undef ATOMIC_LOADSTORE
#ifndef WANT_FUNCTIONS
/* Read the current value and store a new value in the destination. */
static __inline u_int
@ -592,8 +591,6 @@ atomic_swap_long(volatile u_long *p, u_long v)
#define atomic_testandset_ptr atomic_testandset_long
#define atomic_testandclear_ptr atomic_testandclear_long
#endif /* !WANT_FUNCTIONS */
#endif /* !SAN_NEEDS_INTERCEPTORS || SAN_RUNTIME */
#endif /* !_MACHINE_ATOMIC_H_ */

15
sys/i386/include/atomic.h
View file

@ -299,17 +299,6 @@ atomic_thread_fence_seq_cst(void)
#ifdef _KERNEL
#ifdef WANT_FUNCTIONS
int atomic_cmpset_64_i386(volatile uint64_t *, uint64_t, uint64_t);
int atomic_cmpset_64_i586(volatile uint64_t *, uint64_t, uint64_t);
uint64_t atomic_load_acq_64_i386(const volatile uint64_t *);
uint64_t atomic_load_acq_64_i586(const volatile uint64_t *);
void atomic_store_rel_64_i386(volatile uint64_t *, uint64_t);
void atomic_store_rel_64_i586(volatile uint64_t *, uint64_t);
uint64_t atomic_swap_64_i386(volatile uint64_t *, uint64_t);
uint64_t atomic_swap_64_i586(volatile uint64_t *, uint64_t);
#endif
/* I486 does not support SMP or CMPXCHG8B. */
static __inline int
atomic_cmpset_64_i386(volatile uint64_t *dst, uint64_t expect, uint64_t src)
@ -618,8 +607,6 @@ ATOMIC_LOADSTORE(long);
#undef ATOMIC_STORE
#undef ATOMIC_LOADSTORE
#ifndef WANT_FUNCTIONS
static __inline int
atomic_cmpset_long(volatile u_long *dst, u_long expect, u_long src)
{
@ -874,8 +861,6 @@ atomic_swap_long(volatile u_long *p, u_long v)
#define atomic_testandset_ptr(p, val) \
atomic_testandset_int((volatile u_int *)(p), (val))
#endif /* !WANT_FUNCTIONS */
#if defined(_KERNEL)
#define mb() __mbk()
#define wmb() __mbk()