1 /* include/asm-sparc/current.h
3 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
4 * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
5 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
7 * Derived from "include/asm-s390/current.h" by
8 * Martin Schwidefsky (schwidefsky@de.ibm.com)
9 * Derived from "include/asm-i386/current.h"
11 #ifndef _SPARC_CURRENT_H
12 #define _SPARC_CURRENT_H
14 #include <linux/thread_info.h>
17 register struct task_struct *current asm("g4");
21 /* We might want to consider using %g4 like sparc64 to shave a few cycles.
23 * Two stage process (inline + #define) for type-checking.
24 * We also obfuscate get_current() to check if anyone used that by mistake.
27 static inline struct task_struct *__get_current(void)
29 return current_thread_info()->task;
31 #define current __get_current()
34 #endif /* !(_SPARC_CURRENT_H) */