[PATCH] w1: Adds a sysfs entry (w1_master_search) that allows you to disable/enable...
[linux-2.6/verdex.git] / include / asm-arm / smp.h
blob6c6c60adbbaa0552aabe8433625a2153b45e5d0e
1 /*
2 * linux/include/asm-arm/smp.h
4 * Copyright (C) 2004-2005 ARM Ltd.
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
13 #include <linux/config.h>
14 #include <linux/threads.h>
15 #include <linux/cpumask.h>
16 #include <linux/thread_info.h>
18 #include <asm/arch/smp.h>
20 #ifndef CONFIG_SMP
21 # error "<asm-arm/smp.h> included in non-SMP build"
22 #endif
24 #define raw_smp_processor_id() (current_thread_info()->cpu)
26 extern cpumask_t cpu_present_mask;
27 #define cpu_possible_map cpu_present_mask
30 * at the moment, there's not a big penalty for changing CPUs
31 * (the >big< penalty is running SMP in the first place)
33 #define PROC_CHANGE_PENALTY 15
35 struct seq_file;
38 * generate IPI list text
40 extern void show_ipi_list(struct seq_file *p);
43 * Move global data into per-processor storage.
45 extern void smp_store_cpu_info(unsigned int cpuid);
48 * Raise an IPI cross call on CPUs in callmap.
50 extern void smp_cross_call(cpumask_t callmap);
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.
56 extern int boot_secondary(unsigned int cpu, struct task_struct *);
59 * Perform platform specific initialisation of the specified CPU.
61 extern void platform_secondary_init(unsigned int cpu);
64 * Initial data for bringing up a secondary CPU.
66 struct secondary_data {
67 unsigned long pgdir;
68 void *stack;
70 extern struct secondary_data secondary_data;
72 #endif /* ifndef __ASM_ARM_SMP_H */