Release 4.14 arch/sh/kernel/topology.c
/*
* arch/sh/kernel/topology.c
*
* Copyright (C) 2007 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/topology.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/export.h>
static DEFINE_PER_CPU(struct cpu, cpu_devices);
cpumask_t cpu_core_map[NR_CPUS];
EXPORT_SYMBOL(cpu_core_map);
static cpumask_t cpu_coregroup_map(int cpu)
{
/*
* Presently all SH-X3 SMP cores are multi-cores, so just keep it
* simple until we have a method for determining topology..
*/
return *cpu_possible_mask;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 12 | 85.71% | 1 | 50.00% |
Rusty Russell | 2 | 14.29% | 1 | 50.00% |
Total | 14 | 100.00% | 2 | 100.00% |
const struct cpumask *cpu_coregroup_mask(int cpu)
{
return &cpu_core_map[cpu];
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 18 | 100.00% | 1 | 100.00% |
Total | 18 | 100.00% | 1 | 100.00% |
int arch_update_cpu_topology(void)
{
unsigned int cpu;
for_each_possible_cpu(cpu)
cpu_core_map[cpu] = cpu_coregroup_map(cpu);
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 28 | 100.00% | 1 | 100.00% |
Total | 28 | 100.00% | 1 | 100.00% |
static int __init topology_init(void)
{
int i, ret;
#ifdef CONFIG_NEED_MULTIPLE_NODES
for_each_online_node(i)
register_one_node(i);
#endif
for_each_present_cpu(i) {
struct cpu *c = &per_cpu(cpu_devices, i);
c->hotpluggable = 1;
ret = register_cpu(c, i);
if (unlikely(ret))
printk(KERN_WARNING "%s: register_cpu %d failed (%d)\n",
__func__, i, ret);
}
#if defined(CONFIG_NUMA) && !defined(CONFIG_SMP)
/*
* In the UP case, make sure the CPU association is still
* registered under each node. Without this, sysfs fails
* to make the connection between nodes other than node0
* and cpu0.
*/
for_each_online_node(i)
if (i != numa_node_id())
register_cpu_under_node(raw_smp_processor_id(), i);
#endif
return 0;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 117 | 99.15% | 4 | 80.00% |
Harvey Harrison | 1 | 0.85% | 1 | 20.00% |
Total | 118 | 100.00% | 5 | 100.00% |
subsys_initcall(topology_init);
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 214 | 93.86% | 5 | 50.00% |
Aurelien Jarno | 5 | 2.19% | 1 | 10.00% |
Paul Gortmaker | 3 | 1.32% | 1 | 10.00% |
Nobuhiro Iwamatsu | 3 | 1.32% | 1 | 10.00% |
Rusty Russell | 2 | 0.88% | 1 | 10.00% |
Harvey Harrison | 1 | 0.44% | 1 | 10.00% |
Total | 228 | 100.00% | 10 | 100.00% |
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