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584224e4 DG |
1 | #ifndef _ASM_POWERPC_CURRENT_H |
2 | #define _ASM_POWERPC_CURRENT_H | |
88ced031 | 3 | #ifdef __KERNEL__ |
584224e4 DG |
4 | |
5 | /* | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | struct task_struct; | |
13 | ||
14 | #ifdef __powerpc64__ | |
15 | #include <asm/paca.h> | |
16 | ||
17 | #define current (get_paca()->__current) | |
18 | ||
19 | #else | |
20 | ||
21 | /* | |
22 | * We keep `current' in r2 for speed. | |
23 | */ | |
24 | register struct task_struct *current asm ("r2"); | |
25 | ||
26 | #endif | |
27 | ||
88ced031 | 28 | #endif /* __KERNEL__ */ |
584224e4 | 29 | #endif /* _ASM_POWERPC_CURRENT_H */ |