1 files changed, 0 insertions, 125 deletions
diff --git a/include/asm-x86_64/futex.h b/include/asm-x86_64/futex.h
deleted file mode 100644
index 5cdfb08013c..00000000000
--- a/include/asm-x86_64/futex.h
+++ /dev/null
@@ -1,125 +0,0 @@
-#ifndef _ASM_FUTEX_H
-#define _ASM_FUTEX_H
-
-#ifdef __KERNEL__
-
-#include <linux/futex.h>
-#include <asm/errno.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
-#define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
-  __asm__ __volatile (						\
-"1:	" insn "\n"						\
-"2:	.section .fixup,\"ax\"\n\
-3:	mov	%3, %1\n\
-	jmp	2b\n\
-	.previous\n\
-	.section __ex_table,\"a\"\n\
-	.align	8\n\
-	.quad	1b,3b\n\
-	.previous"						\
-	: "=r" (oldval), "=r" (ret), "=m" (*uaddr)		\
-	: "i" (-EFAULT), "m" (*uaddr), "0" (oparg), "1" (0))
-
-#define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
-  __asm__ __volatile (						\
-"1:	movl	%2, %0\n\
-	movl	%0, %3\n"					\
-	insn "\n"						\
-"2:	" LOCK_PREFIX "cmpxchgl %3, %2\n\
-	jnz	1b\n\
-3:	.section .fixup,\"ax\"\n\
-4:	mov	%5, %1\n\
-	jmp	3b\n\
-	.previous\n\
-	.section __ex_table,\"a\"\n\
-	.align	8\n\
-	.quad	1b,4b,2b,4b\n\
-	.previous"						\
-	: "=&a" (oldval), "=&r" (ret), "=m" (*uaddr),		\
-	  "=&r" (tem)						\
-	: "r" (oparg), "i" (-EFAULT), "m" (*uaddr), "1" (0))
-
-static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
-{
-	int op = (encoded_op >> 28) & 7;
-	int cmp = (encoded_op >> 24) & 15;
-	int oparg = (encoded_op << 8) >> 20;
-	int cmparg = (encoded_op << 20) >> 20;
-	int oldval = 0, ret, tem;
-	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
-		oparg = 1 << oparg;
-
-	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
-		return -EFAULT;
-
-	pagefault_disable();
-
-	switch (op) {
-	case FUTEX_OP_SET:
-		__futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
-		break;
-	case FUTEX_OP_ADD:
-		__futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
-				   uaddr, oparg);
-		break;
-	case FUTEX_OP_OR:
-		__futex_atomic_op2("orl %4, %3", ret, oldval, uaddr, oparg);
-		break;
-	case FUTEX_OP_ANDN:
-		__futex_atomic_op2("andl %4, %3", ret, oldval, uaddr, ~oparg);
-		break;
-	case FUTEX_OP_XOR:
-		__futex_atomic_op2("xorl %4, %3", ret, oldval, uaddr, oparg);
-		break;
-	default:
-		ret = -ENOSYS;
-	}
-
-	pagefault_enable();
-
-	if (!ret) {
-		switch (cmp) {
-		case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
-		case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
-		case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
-		case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
-		case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
-		case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
-		default: ret = -ENOSYS;
-		}
-	}
-	return ret;
-}
-
-static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
-{
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
-		return -EFAULT;
-
-	__asm__ __volatile__(
-		"1:	" LOCK_PREFIX "cmpxchgl %3, %1		\n"
-
-		"2:	.section .fixup, \"ax\"			\n"
-		"3:	mov     %2, %0				\n"
-		"	jmp     2b				\n"
-		"	.previous				\n"
-
-		"	.section __ex_table, \"a\"		\n"
-		"	.align  8				\n"
-		"	.quad   1b,3b				\n"
-		"	.previous				\n"
-
-		: "=a" (oldval), "=m" (*uaddr)
-		: "i" (-EFAULT), "r" (newval), "0" (oldval)
-		: "memory"
-	);
-
-	return oldval;
-}
-
-#endif
-#endif