diff options
Diffstat (limited to 'include/asm-arm/smp.h')
-rw-r--r-- | include/asm-arm/smp.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h new file mode 100644 index 000000000000..f21fd8f6bcdd --- /dev/null +++ b/include/asm-arm/smp.h | |||
@@ -0,0 +1,58 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/smp.h | ||
3 | * | ||
4 | * Copyright (C) 2004-2005 ARM Ltd. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | #ifndef __ASM_ARM_SMP_H | ||
11 | #define __ASM_ARM_SMP_H | ||
12 | |||
13 | #include <linux/config.h> | ||
14 | #include <linux/threads.h> | ||
15 | #include <linux/cpumask.h> | ||
16 | #include <linux/thread_info.h> | ||
17 | |||
18 | #include <asm/arch/smp.h> | ||
19 | |||
20 | #ifndef CONFIG_SMP | ||
21 | # error "<asm-arm/smp.h> included in non-SMP build" | ||
22 | #endif | ||
23 | |||
24 | #define smp_processor_id() (current_thread_info()->cpu) | ||
25 | |||
26 | extern cpumask_t cpu_present_mask; | ||
27 | #define cpu_possible_map cpu_present_mask | ||
28 | |||
29 | /* | ||
30 | * at the moment, there's not a big penalty for changing CPUs | ||
31 | * (the >big< penalty is running SMP in the first place) | ||
32 | */ | ||
33 | #define PROC_CHANGE_PENALTY 15 | ||
34 | |||
35 | struct seq_file; | ||
36 | |||
37 | /* | ||
38 | * generate IPI list text | ||
39 | */ | ||
40 | extern void show_ipi_list(struct seq_file *p); | ||
41 | |||
42 | /* | ||
43 | * Move global data into per-processor storage. | ||
44 | */ | ||
45 | extern void smp_store_cpu_info(unsigned int cpuid); | ||
46 | |||
47 | /* | ||
48 | * Raise an IPI cross call on CPUs in callmap. | ||
49 | */ | ||
50 | extern void smp_cross_call(cpumask_t callmap); | ||
51 | |||
52 | /* | ||
53 | * Boot a secondary CPU, and assign it the specified idle task. | ||
54 | * This also gives us the initial stack to use for this CPU. | ||
55 | */ | ||
56 | extern int boot_secondary(unsigned int cpu, struct task_struct *); | ||
57 | |||
58 | #endif /* ifndef __ASM_ARM_SMP_H */ | ||