x86: unify local_{32|64}.h

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 207 deletions

diff --git a/include/asm-x86/local_64.h b/include/asm-x86/local_64.h
deleted file mode 100644
index d685cd7e014f..000000000000
--- a/include/asm-x86/local_64.h
+++ /dev/null
@@ -1,207 +0,0 @@
-#ifndef _ARCH_X8664_LOCAL_H
-#define _ARCH_X8664_LOCAL_H
-
-static inline void local_inc(local_t *l)
-{
-        __asm__ __volatile__(
-                _ASM_INC "%0"
-                :"+m" (l->a.counter));
-}
-
-static inline void local_dec(local_t *l)
-{
-        __asm__ __volatile__(
-                _ASM_DEC "%0"
-                :"+m" (l->a.counter));
-}
-
-static inline void local_add(long i, local_t *l)
-{
-        __asm__ __volatile__(
-                _ASM_ADD "%1,%0"
-                :"+m" (l->a.counter)
-                :"ir" (i));
-}
-
-static inline void local_sub(long i, local_t *l)
-{
-        __asm__ __volatile__(
-                _ASM_SUB "%1,%0"
-                :"+m" (l->a.counter)
-                :"ir" (i));
-}
-
-/**
- * local_sub_and_test - subtract value from variable and test result
- * @i: integer value to subtract
- * @l: pointer to type local_t
- *
- * Atomically subtracts @i from @l and returns
- * true if the result is zero, or false for all
- * other cases.
- */
-static inline int local_sub_and_test(long i, local_t *l)
-{
-        unsigned char c;
-
-        __asm__ __volatile__(
-                _ASM_SUB "%2,%0; sete %1"
-                :"+m" (l->a.counter), "=qm" (c)
-                :"ir" (i) : "memory");
-        return c;
-}
-
-/**
- * local_dec_and_test - decrement and test
- * @l: pointer to type local_t
- *
- * Atomically decrements @l by 1 and
- * returns true if the result is 0, or false for all other
- * cases.
- */
-static inline int local_dec_and_test(local_t *l)
-{
-        unsigned char c;
-
-        __asm__ __volatile__(
-                _ASM_DEC "%0; sete %1"
-                :"+m" (l->a.counter), "=qm" (c)
-                : : "memory");
-        return c != 0;
-}
-
-/**
- * local_inc_and_test - increment and test
- * @l: pointer to type local_t
- *
- * Atomically increments @l by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-static inline int local_inc_and_test(local_t *l)
-{
-        unsigned char c;
-
-        __asm__ __volatile__(
-                _ASM_INC "%0; sete %1"
-                :"+m" (l->a.counter), "=qm" (c)
-                : : "memory");
-        return c != 0;
-}
-
-/**
- * local_add_negative - add and test if negative
- * @i: integer value to add
- * @l: pointer to type local_t
- *
- * Atomically adds @i to @l and returns true
- * if the result is negative, or false when
- * result is greater than or equal to zero.
- */
-static inline int local_add_negative(long i, local_t *l)
-{
-        unsigned char c;
-
-        __asm__ __volatile__(
-                _ASM_ADD "%2,%0; sets %1"
-                :"+m" (l->a.counter), "=qm" (c)
-                :"ir" (i) : "memory");
-        return c;
-}
-
-/**
- * local_add_return - add and return
- * @i: integer value to add
- * @l: pointer to type local_t
- *
- * Atomically adds @i to @l and returns @i + @l
- */
-static inline long local_add_return(long i, local_t *l)
-{
-        long __i = i;
-        __asm__ __volatile__(
-                _ASM_XADD "%0, %1;"
-                :"+r" (i), "+m" (l->a.counter)
-                : : "memory");
-        return i + __i;
-}
-
-static inline long local_sub_return(long i, local_t *l)
-{
-        return local_add_return(-i,l);
-}
-
-#define local_inc_return(l)  (local_add_return(1,l))
-#define local_dec_return(l)  (local_sub_return(1,l))
-
-#define local_cmpxchg(l, o, n) \
-        (cmpxchg_local(&((l)->a.counter), (o), (n)))
-/* Always has a lock prefix */
-#define local_xchg(l, n) (xchg(&((l)->a.counter), (n)))
-
-/**
- * atomic_up_add_unless - add unless the number is a given value
- * @l: pointer of type local_t
- * @a: the amount to add to l...
- * @u: ...unless l is equal to u.
- *
- * Atomically adds @a to @l, so long as it was not @u.
- * Returns non-zero if @l was not @u, and zero otherwise.
- */
-#define local_add_unless(l, a, u)                               \
-({                                                              \
-        long c, old;                                            \
-        c = local_read(l);                                      \
-        for (;;) {                                              \
-                if (unlikely(c == (u)))                         \
-                        break;                                  \
-                old = local_cmpxchg((l), c, c + (a));   \
-                if (likely(old == c))                           \
-                        break;                                  \
-                c = old;                                        \
-        }                                                       \
-        c != (u);                                               \
-})
-#define local_inc_not_zero(l) local_add_unless((l), 1, 0)
-
-/* On x86-64 these are better than the atomic variants on SMP kernels
-   because they dont use a lock prefix. */
-#define __local_inc(l)          local_inc(l)
-#define __local_dec(l)          local_dec(l)
-#define __local_add(i,l)        local_add((i),(l))
-#define __local_sub(i,l)        local_sub((i),(l))
-
-/* Use these for per-cpu local_t variables: on some archs they are
- * much more efficient than these naive implementations.  Note they take
- * a variable, not an address.
- *
- * This could be done better if we moved the per cpu data directly
- * after GS.
- */
-
-/* Need to disable preemption for the cpu local counters otherwise we could
-   still access a variable of a previous CPU in a non atomic way. */
-#define cpu_local_wrap_v(l)             \
-        ({ local_t res__;               \
-           preempt_disable();           \
-           res__ = (l);                 \
-           preempt_enable();            \
-           res__; })
-#define cpu_local_wrap(l)               \
-        ({ preempt_disable();           \
-           l;                           \
-           preempt_enable(); })         \
-
-#define cpu_local_read(l)    cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
-#define cpu_local_set(l, i)  cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
-#define cpu_local_inc(l)     cpu_local_wrap(local_inc(&__get_cpu_var(l)))
-#define cpu_local_dec(l)     cpu_local_wrap(local_dec(&__get_cpu_var(l)))
-#define cpu_local_add(i, l)  cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
-#define cpu_local_sub(i, l)  cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
-
-#define __cpu_local_inc(l)      cpu_local_inc(l)
-#define __cpu_local_dec(l)      cpu_local_dec(l)
-#define __cpu_local_add(i, l)   cpu_local_add((i), (l))
-#define __cpu_local_sub(i, l)   cpu_local_sub((i), (l))
-
-#endif /* _ARCH_X8664_LOCAL_H */