| Jimi Xenidis | 9d67028 | 2011-09-29 10:55:12 +0000 | [diff] [blame] | 1 | #ifndef _ARCH_POWERPC_MM_ICSWX_H_ |
| 2 | #define _ARCH_POWERPC_MM_ICSWX_H_ |
| 3 | |
| 4 | /* |
| 5 | * ICSWX and ACOP Management |
| 6 | * |
| 7 | * Copyright (C) 2011 Anton Blanchard, IBM Corp. <anton@samba.org> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation; either version |
| 12 | * 2 of the License, or (at your option) any later version. |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | #include <asm/mmu_context.h> |
| 17 | |
| 18 | /* also used to denote that PIDs are not used */ |
| 19 | #define COP_PID_NONE 0 |
| 20 | |
| 21 | static inline void sync_cop(void *arg) |
| 22 | { |
| 23 | struct mm_struct *mm = arg; |
| 24 | |
| 25 | if (mm == current->active_mm) |
| 26 | switch_cop(current->active_mm); |
| 27 | } |
| 28 | |
| 29 | #ifdef CONFIG_PPC_ICSWX_PID |
| 30 | extern int get_cop_pid(struct mm_struct *mm); |
| 31 | extern int disable_cop_pid(struct mm_struct *mm); |
| 32 | extern void free_cop_pid(int free_pid); |
| 33 | #else |
| 34 | #define get_cop_pid(m) (COP_PID_NONE) |
| 35 | #define disable_cop_pid(m) (COP_PID_NONE) |
| 36 | #define free_cop_pid(p) |
| 37 | #endif |
| 38 | |
| 39 | #endif /* !_ARCH_POWERPC_MM_ICSWX_H_ */ |