arch: Remove __ARCH_HAVE_CMPXCHG
We removed the only user of this define in the rtmutex code. Get rid of it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
This commit is contained in:
Thomas Gleixner
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17 changed files with 0 additions and 31 deletions
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@ -66,6 +66,4 @@
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#undef __ASM__MB
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#undef ____cmpxchg
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#define __HAVE_ARCH_CMPXCHG 1
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#endif /* _ALPHA_CMPXCHG_H */
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@ -70,8 +70,6 @@ extern unsigned long __cmpxchg_u64_unsupported_on_32bit_kernels(
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if something tries to do an invalid cmpxchg(). */
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extern void __cmpxchg_called_with_bad_pointer(void);
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#define __HAVE_ARCH_CMPXCHG 1
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static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
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unsigned long new, int size)
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{
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@ -64,7 +64,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
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* looks just like atomic_cmpxchg on our arch currently with a bunch of
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* variable casting.
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*/
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#define __HAVE_ARCH_CMPXCHG 1
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#define cmpxchg(ptr, old, new) \
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({ \
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@ -61,8 +61,6 @@ extern void ia64_xchg_called_with_bad_pointer(void);
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* indicated by comparing RETURN with OLD.
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*/
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#define __HAVE_ARCH_CMPXCHG 1
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/*
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* This function doesn't exist, so you'll get a linker error
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* if something tries to do an invalid cmpxchg().
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@ -107,8 +107,6 @@ __xchg_local(unsigned long x, volatile void *ptr, int size)
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((__typeof__(*(ptr)))__xchg_local((unsigned long)(x), (ptr), \
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sizeof(*(ptr))))
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#define __HAVE_ARCH_CMPXCHG 1
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static inline unsigned long
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__cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new)
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{
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@ -90,7 +90,6 @@ extern unsigned long __invalid_cmpxchg_size(volatile void *,
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* indicated by comparing RETURN with OLD.
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*/
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#ifdef CONFIG_RMW_INSNS
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#define __HAVE_ARCH_CMPXCHG 1
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static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
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unsigned long new, int size)
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@ -51,8 +51,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
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return old;
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}
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#define __HAVE_ARCH_CMPXCHG 1
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#define cmpxchg(ptr, o, n) \
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({ \
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__typeof__(*(ptr)) _o_ = (o); \
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@ -138,8 +138,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
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__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))); \
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})
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#define __HAVE_ARCH_CMPXCHG 1
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#define __cmpxchg_asm(ld, st, m, old, new) \
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({ \
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__typeof(*(m)) __ret; \
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@ -46,8 +46,6 @@ __xchg(unsigned long x, __volatile__ void *ptr, int size)
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#define xchg(ptr, x) \
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((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
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#define __HAVE_ARCH_CMPXCHG 1
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/* bug catcher for when unsupported size is used - won't link */
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extern void __cmpxchg_called_with_bad_pointer(void);
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@ -144,7 +144,6 @@ __xchg_local(volatile void *ptr, unsigned long x, unsigned int size)
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* Compare and exchange - if *p == old, set it to new,
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* and return the old value of *p.
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*/
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#define __HAVE_ARCH_CMPXCHG 1
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static __always_inline unsigned long
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__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
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@ -32,8 +32,6 @@
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__old; \
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})
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#define __HAVE_ARCH_CMPXCHG
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#define __cmpxchg_double_op(p1, p2, o1, o2, n1, n2, insn) \
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({ \
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register __typeof__(*(p1)) __old1 asm("2") = (o1); \
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@ -42,8 +42,6 @@ static inline unsigned long __cmpxchg(volatile unsigned long *m,
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(unsigned long)(o), \
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(unsigned long)(n)))
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#define __HAVE_ARCH_CMPXCHG 1
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#include <asm-generic/cmpxchg-local.h>
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#endif /* _ASM_SCORE_CMPXCHG_H */
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@ -46,8 +46,6 @@ extern void __xchg_called_with_bad_pointer(void);
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* if something tries to do an invalid cmpxchg(). */
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extern void __cmpxchg_called_with_bad_pointer(void);
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#define __HAVE_ARCH_CMPXCHG 1
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static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
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unsigned long new, int size)
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{
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@ -34,7 +34,6 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int
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*
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* Cribbed from <asm-parisc/atomic.h>
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*/
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#define __HAVE_ARCH_CMPXCHG 1
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/* bug catcher for when unsupported size is used - won't link */
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void __cmpxchg_called_with_bad_pointer(void);
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@ -65,8 +65,6 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr,
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#include <asm-generic/cmpxchg-local.h>
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#define __HAVE_ARCH_CMPXCHG 1
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static inline unsigned long
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__cmpxchg_u32(volatile int *m, int old, int new)
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{
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@ -105,9 +105,6 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
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#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
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/* Define this to indicate that cmpxchg is an efficient operation. */
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#define __HAVE_ARCH_CMPXCHG
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#endif /* !__ASSEMBLY__ */
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#endif /* _ASM_TILE_ATOMIC_64_H */
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@ -4,8 +4,6 @@
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#include <linux/compiler.h>
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#include <asm/alternative.h> /* Provides LOCK_PREFIX */
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#define __HAVE_ARCH_CMPXCHG 1
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/*
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* Non-existant functions to indicate usage errors at link time
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* (or compile-time if the compiler implements __compiletime_error().
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