projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * include/asm-sh/smp.h | |
| 3 | * | |
| 4 | * Copyright (C) 2002, 2003 Paul Mundt | |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of the GNU General Public | |
| 7 | * License. See the file "COPYING" in the main directory of this archive for | |
| 8 | * more details. | |
| 9 | */ | |
| 10 | #ifndef __ASM_SH_SMP_H | |
| 11 | #define __ASM_SH_SMP_H | |
| 12 | ||
| 1da177e4 LT |
13 | #include <linux/bitops.h> |
| 14 | #include <linux/cpumask.h> | |
| 15 | ||
| 16 | #ifdef CONFIG_SMP | |
| 17 | ||
| 66c5227e | 18 | #include <linux/spinlock.h> |
| 1da177e4 LT |
19 | #include <asm/atomic.h> |
| 20 | #include <asm/current.h> | |
| 21 | ||
| 39c715b7 | 22 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
| 1da177e4 LT |
23 | |
| 24 | /* I've no idea what the real meaning of this is */ | |
| 25 | #define PROC_CHANGE_PENALTY 20 | |
| 26 | ||
| 27 | #define NO_PROC_ID (-1) | |
| 28 | ||
| 29 | struct smp_fn_call_struct { | |
| 30 | spinlock_t lock; | |
| 31 | atomic_t finished; | |
| 32 | void (*fn)(void *); | |
| 33 | void *data; | |
| 34 | }; | |
| 35 | ||
| 36 | extern struct smp_fn_call_struct smp_fn_call; | |
| 37 | ||
| 38 | #define SMP_MSG_RESCHEDULE 0x0001 | |
| 39 | ||
| 40 | #endif /* CONFIG_SMP */ | |
| 41 | ||
| 027e56e6 PM |
42 | #define hard_smp_processor_id() (0) |
| 43 | ||
| 1da177e4 | 44 | #endif /* __ASM_SH_SMP_H */ |