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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-arm/smp.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-arm/smp.h')
-rw-r--r--include/asm-arm/smp.h58
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
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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
26extern 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
35struct seq_file;
36
37/*
38 * generate IPI list text
39 */
40extern void show_ipi_list(struct seq_file *p);
41
42/*
43 * Move global data into per-processor storage.
44 */
45extern void smp_store_cpu_info(unsigned int cpuid);
46
47/*
48 * Raise an IPI cross call on CPUs in callmap.
49 */
50extern 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 */
56extern int boot_secondary(unsigned int cpu, struct task_struct *);
57
58#endif /* ifndef __ASM_ARM_SMP_H */