1 files changed, 0 insertions, 167 deletions
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
deleted file mode 100644
index 88bf981e73cf..000000000000
--- a/include/asm-x86_64/spinlock.h
+++ /dev/null
@@ -1,167 +0,0 @@
-#ifndef __ASM_SPINLOCK_H
-#define __ASM_SPINLOCK_H
-#include <asm/atomic.h>
-#include <asm/rwlock.h>
-#include <asm/page.h>
-#include <asm/processor.h>
-/*
- * Your basic SMP spinlocks, allowing only a single CPU anywhere
- *
- * Simple spin lock operations.  There are two variants, one clears IRQ's
- * on the local processor, one does not.
- *
- * We make no fairness assumptions. They have a cost.
- *
- * (the type definitions are in asm/spinlock_types.h)
- */
-static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
-{
-        return *(volatile signed int *)(&(lock)->slock) <= 0;
-}
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
-{
-        asm volatile(
-                "\n1:\t"
-                LOCK_PREFIX " ; decl %0\n\t"
-                "jns 2f\n"
-                "3:\n"
-                "rep;nop\n\t"
-                "cmpl $0,%0\n\t"
-                "jle 3b\n\t"
-                "jmp 1b\n"
-                "2:\t" : "=m" (lock->slock) : : "memory");
-}
-/*
- * Same as __raw_spin_lock, but reenable interrupts during spinning.
- */
-#ifndef CONFIG_PROVE_LOCKING
-static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
-{
-        asm volatile(
-                "\n1:\t"
-                LOCK_PREFIX " ; decl %0\n\t"
-                "jns 5f\n"
-                "testl $0x200, %1\n\t"  /* interrupts were disabled? */
-                "jz 4f\n\t"
-                "sti\n"
-                "3:\t"
-                "rep;nop\n\t"
-                "cmpl $0, %0\n\t"
-                "jle 3b\n\t"
-                "cli\n\t"
-                "jmp 1b\n"
-                "4:\t"
-                "rep;nop\n\t"
-                "cmpl $0, %0\n\t"
-                "jg 1b\n\t"
-                "jmp 4b\n"
-                "5:\n\t"
-                : "+m" (lock->slock) : "r" ((unsigned)flags) : "memory");
-}
-#endif
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
-{
-        int oldval;
-        asm volatile(
-                "xchgl %0,%1"
-                :"=q" (oldval), "=m" (lock->slock)
-                :"0" (0) : "memory");
-        return oldval > 0;
-}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
-{
-        asm volatile("movl $1,%0" :"=m" (lock->slock) :: "memory");
-}
-static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
-{
-        while (__raw_spin_is_locked(lock))
-                cpu_relax();
-}
-/*
- * Read-write spinlocks, allowing multiple readers
- * but only one writer.
- *
- * NOTE! it is quite common to have readers in interrupts
- * but no interrupt writers. For those circumstances we
- * can "mix" irq-safe locks - any writer needs to get a
- * irq-safe write-lock, but readers can get non-irqsafe
- * read-locks.
- *
- * On x86, we implement read-write locks as a 32-bit counter
- * with the high bit (sign) being the "contended" bit.
- */
-static inline int __raw_read_can_lock(raw_rwlock_t *lock)
-{
-        return (int)(lock)->lock > 0;
-}
-static inline int __raw_write_can_lock(raw_rwlock_t *lock)
-{
-        return (lock)->lock == RW_LOCK_BIAS;
-}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
-{
-        asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t"
-                     "jns 1f\n"
-                     "call __read_lock_failed\n"
-                     "1:\n"
-                     ::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
-}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
-{
-        asm volatile(LOCK_PREFIX "subl %1,(%0)\n\t"
-                     "jz 1f\n"
-                     "\tcall __write_lock_failed\n\t"
-                     "1:\n"
-                     ::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
-}
-static inline int __raw_read_trylock(raw_rwlock_t *lock)
-{
-        atomic_t *count = (atomic_t *)lock;
-        atomic_dec(count);
-        if (atomic_read(count) >= 0)
-                return 1;
-        atomic_inc(count);
-        return 0;
-}
-static inline int __raw_write_trylock(raw_rwlock_t *lock)
-{
-        atomic_t *count = (atomic_t *)lock;
-        if (atomic_sub_and_test(RW_LOCK_BIAS, count))
-                return 1;
-        atomic_add(RW_LOCK_BIAS, count);
-        return 0;
-}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
-{
-        asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory");
-}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
-{
-        asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0"
-                                : "=m" (rw->lock) : : "memory");
-}
-#define _raw_spin_relax(lock)   cpu_relax()
-#define _raw_read_relax(lock)   cpu_relax()
-#define _raw_write_relax(lock)  cpu_relax()
-#endif /* __ASM_SPINLOCK_H */

diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h deleted file mode 100644 index 88bf981e73cf..000000000000 --- a/include/asm-x86_64/spinlock.h +++ /dev/null
@@ -1,167 +0,0 @@
1	#ifndef __ASM_SPINLOCK_H
2	#define __ASM_SPINLOCK_H
3
4	#include <asm/atomic.h>
5	#include <asm/rwlock.h>
6	#include <asm/page.h>
7	#include <asm/processor.h>
8
9	/*
10	* Your basic SMP spinlocks, allowing only a single CPU anywhere
11	*
12	* Simple spin lock operations. There are two variants, one clears IRQ's
13	* on the local processor, one does not.
14	*
15	* We make no fairness assumptions. They have a cost.
16	*
17	* (the type definitions are in asm/spinlock_types.h)
18	*/
19
20	static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
21	{
22	return (volatile signed int )(&(lock)->slock) <= 0;
23	}
24
25	static inline void __raw_spin_lock(raw_spinlock_t *lock)
26	{
27	asm volatile(
28	"\n1:\t"
29	LOCK_PREFIX " ; decl %0\n\t"
30	"jns 2f\n"
31	"3:\n"
32	"rep;nop\n\t"
33	"cmpl $0,%0\n\t"
34	"jle 3b\n\t"
35	"jmp 1b\n"
36	"2:\t" : "=m" (lock->slock) : : "memory");
37	}
38
39	/*
40	* Same as __raw_spin_lock, but reenable interrupts during spinning.
41	*/
42	#ifndef CONFIG_PROVE_LOCKING
43	static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
44	{
45	asm volatile(
46	"\n1:\t"
47	LOCK_PREFIX " ; decl %0\n\t"
48	"jns 5f\n"
49	"testl $0x200, %1\n\t" /* interrupts were disabled? */
50	"jz 4f\n\t"
51	"sti\n"
52	"3:\t"
53	"rep;nop\n\t"
54	"cmpl $0, %0\n\t"
55	"jle 3b\n\t"
56	"cli\n\t"
57	"jmp 1b\n"
58	"4:\t"
59	"rep;nop\n\t"
60	"cmpl $0, %0\n\t"
61	"jg 1b\n\t"
62	"jmp 4b\n"
63	"5:\n\t"
64	: "+m" (lock->slock) : "r" ((unsigned)flags) : "memory");
65	}
66	#endif
67
68	static inline int __raw_spin_trylock(raw_spinlock_t *lock)
69	{
70	int oldval;
71
72	asm volatile(
73	"xchgl %0,%1"
74	:"=q" (oldval), "=m" (lock->slock)
75	:"0" (0) : "memory");
76
77	return oldval > 0;
78	}
79
80	static inline void __raw_spin_unlock(raw_spinlock_t *lock)
81	{
82	asm volatile("movl $1,%0" :"=m" (lock->slock) :: "memory");
83	}
84
85	static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
86	{
87	while (__raw_spin_is_locked(lock))
88	cpu_relax();
89	}
90
91	/*
92	* Read-write spinlocks, allowing multiple readers
93	* but only one writer.
94	*
95	* NOTE! it is quite common to have readers in interrupts
96	* but no interrupt writers. For those circumstances we
97	* can "mix" irq-safe locks - any writer needs to get a
98	* irq-safe write-lock, but readers can get non-irqsafe
99	* read-locks.
100	*
101	* On x86, we implement read-write locks as a 32-bit counter
102	* with the high bit (sign) being the "contended" bit.
103	*/
104
105	static inline int __raw_read_can_lock(raw_rwlock_t *lock)
106	{
107	return (int)(lock)->lock > 0;
108	}
109
110	static inline int __raw_write_can_lock(raw_rwlock_t *lock)
111	{
112	return (lock)->lock == RW_LOCK_BIAS;
113	}
114
115	static inline void __raw_read_lock(raw_rwlock_t *rw)
116	{
117	asm volatile(LOCK_PREFIX "subl $1,(%0)\n\t"
118	"jns 1f\n"
119	"call __read_lock_failed\n"
120	"1:\n"
121	::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
122	}
123
124	static inline void __raw_write_lock(raw_rwlock_t *rw)
125	{
126	asm volatile(LOCK_PREFIX "subl %1,(%0)\n\t"
127	"jz 1f\n"
128	"\tcall __write_lock_failed\n\t"
129	"1:\n"
130	::"D" (rw), "i" (RW_LOCK_BIAS) : "memory");
131	}
132
133	static inline int __raw_read_trylock(raw_rwlock_t *lock)
134	{
135	atomic_t count = (atomic_t )lock;
136	atomic_dec(count);
137	if (atomic_read(count) >= 0)
138	return 1;
139	atomic_inc(count);
140	return 0;
141	}
142
143	static inline int __raw_write_trylock(raw_rwlock_t *lock)
144	{
145	atomic_t count = (atomic_t )lock;
146	if (atomic_sub_and_test(RW_LOCK_BIAS, count))
147	return 1;
148	atomic_add(RW_LOCK_BIAS, count);
149	return 0;
150	}
151
152	static inline void __raw_read_unlock(raw_rwlock_t *rw)
153	{
154	asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory");
155	}
156
157	static inline void __raw_write_unlock(raw_rwlock_t *rw)
158	{
159	asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0"
160	: "=m" (rw->lock) : : "memory");
161	}
162
163	#define _raw_spin_relax(lock) cpu_relax()
164	#define _raw_read_relax(lock) cpu_relax()
165	#define _raw_write_relax(lock) cpu_relax()
166
167	#endif /* __ASM_SPINLOCK_H */