diff options
Diffstat (limited to 'arch/i386/kernel/topology.c')
| -rw-r--r-- | arch/i386/kernel/topology.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/i386/kernel/topology.c b/arch/i386/kernel/topology.c index 07d6da36a82..79cf608e14c 100644 --- a/arch/i386/kernel/topology.c +++ b/arch/i386/kernel/topology.c @@ -40,14 +40,18 @@ int arch_register_cpu(int num) * restrictions and assumptions in kernel. This basically * doesnt add a control file, one cannot attempt to offline * BSP. + * + * Also certain PCI quirks require not to enable hotplug control + * for all CPU's. */ - if (!num) - cpu_devices[num].cpu.no_control = 1; + if (num && enable_cpu_hotplug) + cpu_devices[num].cpu.hotpluggable = 1; return register_cpu(&cpu_devices[num].cpu, num); } #ifdef CONFIG_HOTPLUG_CPU +int enable_cpu_hotplug = 1; void arch_unregister_cpu(int num) { return unregister_cpu(&cpu_devices[num].cpu); |