1 files changed, 0 insertions, 221 deletions
diff --git a/include/asm-x86/spinlock_32.h b/include/asm-x86/spinlock_32.h
deleted file mode 100644
index d3bcebed60c..00000000000
--- a/include/asm-x86/spinlock_32.h
+++ /dev/null
@@ -1,221 +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>
-#include <linux/compiler.h>
-
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else
-#define CLI_STRING	"cli"
-#define STI_STRING	"sti"
-#define CLI_STI_CLOBBERS
-#define CLI_STI_INPUT_ARGS
-#endif /* CONFIG_PARAVIRT */
-
-/*
- * 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 *x)
-{
-	return *(volatile signed char *)(&(x)->slock) <= 0;
-}
-
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
-{
-	asm volatile("\n1:\t"
-		     LOCK_PREFIX " ; decb %0\n\t"
-		     "jns 3f\n"
-		     "2:\t"
-		     "rep;nop\n\t"
-		     "cmpb $0,%0\n\t"
-		     "jle 2b\n\t"
-		     "jmp 1b\n"
-		     "3:\n\t"
-		     : "+m" (lock->slock) : : "memory");
-}
-
-/*
- * It is easier for the lock validator if interrupts are not re-enabled
- * in the middle of a lock-acquire. This is a performance feature anyway
- * so we turn it off:
- *
- * NOTE: there's an irqs-on section here, which normally would have to be
- * irq-traced, but on CONFIG_TRACE_IRQFLAGS we never use this variant.
- */
-#ifndef CONFIG_PROVE_LOCKING
-static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
-{
-	asm volatile(
-		"\n1:\t"
-		LOCK_PREFIX " ; decb %[slock]\n\t"
-		"jns 5f\n"
-		"2:\t"
-		"testl $0x200, %[flags]\n\t"
-		"jz 4f\n\t"
-		STI_STRING "\n"
-		"3:\t"
-		"rep;nop\n\t"
-		"cmpb $0, %[slock]\n\t"
-		"jle 3b\n\t"
-		CLI_STRING "\n\t"
-		"jmp 1b\n"
-		"4:\t"
-		"rep;nop\n\t"
-		"cmpb $0, %[slock]\n\t"
-		"jg 1b\n\t"
-		"jmp 4b\n"
-		"5:\n\t"
-		: [slock] "+m" (lock->slock)
-		: [flags] "r" (flags)
-	 	  CLI_STI_INPUT_ARGS
-		: "memory" CLI_STI_CLOBBERS);
-}
-#endif
-
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
-{
-	char oldval;
-	asm volatile(
-		"xchgb %b0,%1"
-		:"=q" (oldval), "+m" (lock->slock)
-		:"0" (0) : "memory");
-	return oldval > 0;
-}
-
-/*
- * __raw_spin_unlock based on writing $1 to the low byte.
- * This method works. Despite all the confusion.
- * (except on PPro SMP or if we are using OOSTORE, so we use xchgb there)
- * (PPro errata 66, 92)
- */
-
-#if !defined(CONFIG_X86_OOSTORE) && !defined(CONFIG_X86_PPRO_FENCE)
-
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
-{
-	asm volatile("movb $1,%0" : "+m" (lock->slock) :: "memory");
-}
-
-#else
-
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
-{
-	char oldval = 1;
-
-	asm volatile("xchgb %b0, %1"
-		     : "=q" (oldval), "+m" (lock->slock)
-		     : "0" (oldval) : "memory");
-}
-
-#endif
-
-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.
- *
- * The inline assembly is non-obvious. Think about it.
- *
- * Changed to use the same technique as rw semaphores.  See
- * semaphore.h for details.  -ben
- *
- * the helpers are in arch/i386/kernel/semaphore.c
- */
-
-/**
- * read_can_lock - would read_trylock() succeed?
- * @lock: the rwlock in question.
- */
-static inline int __raw_read_can_lock(raw_rwlock_t *x)
-{
-	return (int)(x)->lock > 0;
-}
-
-/**
- * write_can_lock - would write_trylock() succeed?
- * @lock: the rwlock in question.
- */
-static inline int __raw_write_can_lock(raw_rwlock_t *x)
-{
-	return (x)->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\t"
-		     "1:\n"
-		     ::"a" (rw) : "memory");
-}
-
-static inline void __raw_write_lock(raw_rwlock_t *rw)
-{
-	asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",(%0)\n\t"
-		     "jz 1f\n"
-		     "call __write_lock_failed\n\t"
-		     "1:\n"
-		     ::"a" (rw) : "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 */