2015-05-19 14:15+0200, Vitaly Kuznetsov:
> Loaded Hyper-V module will use these functions to disable CPU hotplug
> under certain circumstances.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> ---
> kernel/cpu.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/cpu.c b/kernel/cpu.c
> index 94bbe46..dc005e7 100644
> --- a/kernel/cpu.c
> +++ b/kernel/cpu.c
> @@ -193,6 +193,7 @@ void cpu_hotplug_disable(void)
> cpu_hotplug_disabled = 1;
(I think it would be safer to make this into a counter, at least, so
cpu_hotplug_disable() |
| cpu_hotplug_disable()
cpu_hotplug_enable() |
wouldn't end up with enabled hotplug, when this switch is intended for
hotplug-and-die situations.)
> cpu_maps_update_done();
> }
> +EXPORT_SYMBOL_GPL(cpu_hotplug_disable);
>
> void cpu_hotplug_enable(void)
> {
> @@ -200,7 +201,7 @@ void cpu_hotplug_enable(void)
> cpu_hotplug_disabled = 0;
> cpu_maps_update_done();
> }
> -
> +EXPORT_SYMBOL_GPL(cpu_hotplug_enable);
> #endif /* CONFIG_HOTPLUG_CPU */
>
> /* Need to know about CPUs going up/down? */
> --
> 1.9.3
>
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