Re: [PATCH V2 01/10] cpu-hotplug: export cpu_hotplug_enable/cpu_hotplug_disable

[Greg KH]

On Thu, Jun 04, 2015 at 04:26:07PM -0700, K. Y. Srinivasan wrote:
> From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> 
> Loaded Hyper-V module will use these functions to disable CPU
> hotplug under certain circumstances. Convert cpu_hotplug_disabled
> to a counter (protected by cpu_add_remove_lock) to support e.g.
> disable -> disable -> enable call sequences.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
>  Documentation/power/suspend-and-cpuhotplug.txt |    6 +++---
>  kernel/cpu.c                                   |   13 ++++++++-----
>  2 files changed, 11 insertions(+), 8 deletions(-)

This changes the logic a bit, so I need an ack from the maintainers of
the CPU hotplug code before I can accept this...

thanks,

greg k-h
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