| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _X86_64_CURRENT_H |
| 2 | #define _X86_64_CURRENT_H |
| 3 | |
| Joe Perches | 2cade89 | 2008-03-23 01:01:56 -0700 | [diff] [blame] | 4 | #if !defined(__ASSEMBLY__) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | struct task_struct; |
| 6 | |
| 7 | #include <asm/pda.h> |
| 8 | |
| Joe Perches | 2cade89 | 2008-03-23 01:01:56 -0700 | [diff] [blame] | 9 | static inline struct task_struct *get_current(void) |
| 10 | { |
| 11 | struct task_struct *t = read_pda(pcurrent); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | return t; |
| Joe Perches | 2cade89 | 2008-03-23 01:01:56 -0700 | [diff] [blame] | 13 | } |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| 15 | #define current get_current() |
| 16 | |
| 17 | #else |
| 18 | |
| 19 | #ifndef ASM_OFFSET_H |
| Joe Perches | 2cade89 | 2008-03-23 01:01:56 -0700 | [diff] [blame] | 20 | #include <asm/asm-offsets.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #endif |
| 22 | |
| 23 | #define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg |
| 24 | |
| 25 | #endif |
| 26 | |
| 27 | #endif /* !(_X86_64_CURRENT_H) */ |