diff options
Diffstat (limited to 'arch/sh/kernel/topology.c')
| -rw-r--r-- | arch/sh/kernel/topology.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c index 0838942b708..948fdb65693 100644 --- a/arch/sh/kernel/topology.c +++ b/arch/sh/kernel/topology.c @@ -16,6 +16,32 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices); +cpumask_t cpu_core_map[NR_CPUS]; + +static cpumask_t cpu_coregroup_map(unsigned 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_map; +} + +const struct cpumask *cpu_coregroup_mask(unsigned int cpu) +{ + return &cpu_core_map[cpu]; +} + +int arch_update_cpu_topology(void) +{ + unsigned int cpu; + + for_each_possible_cpu(cpu) + cpu_core_map[cpu] = cpu_coregroup_map(cpu); + + return 0; +} + static int __init topology_init(void) { int i, ret; @@ -26,7 +52,11 @@ static int __init topology_init(void) #endif for_each_present_cpu(i) { - ret = register_cpu(&per_cpu(cpu_devices, i), 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); |