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Date: Tue, 19 May 2015 17:19:39 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: devel@linuxdriverproject.org, "K. Y. Srinivasan" <kys@microsoft.com>,
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        Thomas Gleixner <tglx@linutronix.de>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>
Subject: Re: [PATCH 1/2] cpu-hotplug: export
 cpu_hotplug_enable/cpu_hotplug_disable
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On Tue, May 19, 2015 at 02:15:41PM +0200, Vitaly Kuznetsov wrote:
> Loaded Hyper-V module will use these functions to disable CPU hotplug
> under certain circumstances.

What's wrong with get_online_cpus() ?