diff options
Diffstat (limited to 'arch/arm64/kernel/setup.c')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 25f5127210f8..56f664561754 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -364,6 +364,15 @@ void __init setup_arch(char **cmdline_p) } } +static inline bool cpu_can_disable(unsigned int cpu) +{ +#ifdef CONFIG_HOTPLUG_CPU + if (cpu_ops[cpu] && cpu_ops[cpu]->cpu_can_disable) + return cpu_ops[cpu]->cpu_can_disable(cpu); +#endif + return false; +} + static int __init topology_init(void) { int i; @@ -373,7 +382,7 @@ static int __init topology_init(void) for_each_possible_cpu(i) { struct cpu *cpu = &per_cpu(cpu_data.cpu, i); - cpu->hotpluggable = 1; + cpu->hotpluggable = cpu_can_disable(i); register_cpu(cpu, i); } |