Commit | Line | Data |
---|---|---|
1da177e4 LT |
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) */ |