#ifndef _ASM_GENERIC_FUTEX_H#define _ASM_GENERIC_FUTEX_H #include <linux/futex.h>#include <linux/uaccess.h>#include <asm/errno.h> static inline intfutex_atomic_op_inuser (int encoded_op, u32 __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;	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))		oparg = 1 << oparg; 	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))		return -EFAULT; 	pagefault_disable(); 	switch (op) {	case FUTEX_OP_SET:	case FUTEX_OP_ADD:	case FUTEX_OP_OR:	case FUTEX_OP_ANDN:	case FUTEX_OP_XOR:	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 intfutex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,			      u32 oldval, u32 newval){	return -ENOSYS;} #endif