| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-sparc/current.h |
| 3 | * |
| 4 | * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation |
| 5 | * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com) |
| 6 | * |
| 7 | * Derived from "include/asm-s390/current.h" by |
| 8 | * Martin Schwidefsky (schwidefsky@de.ibm.com) |
| 9 | * Derived from "include/asm-i386/current.h" |
| 10 | */ |
| 11 | #ifndef _ASM_CURRENT_H |
| 12 | #define _ASM_CURRENT_H |
| 13 | |
| 14 | /* |
| 15 | * At the sparc64 DaveM keeps current_thread_info in %g4. |
| 16 | * We might want to consider doing the same to shave a few cycles. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/thread_info.h> |
| 20 | |
| 21 | struct task_struct; |
| 22 | |
| 23 | /* Two stage process (inline + #define) for type-checking. */ |
| 24 | /* We also obfuscate get_current() to check if anyone used that by mistake. */ |
| 25 | static inline struct task_struct *__get_current(void) |
| 26 | { |
| 27 | return current_thread_info()->task; |
| 28 | } |
| 29 | #define current __get_current() |
| 30 | |
| 31 | #endif /* !(_ASM_CURRENT_H) */ |