linux-kernel - Re: [PATCH 1/2] cpu-hotplug: export cpu_hotplug_enable/cpu_hotplug

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Message-ID: <20150519151939.GG3644@twins.programming.kicks-ass.net>
Date:	Tue, 19 May 2015 17:19:39 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:	devel@...uxdriverproject.org,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	linux-kernel@...r.kernel.org, Dexuan Cui <decui@...rosoft.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Radim Krčmář <rkrcmar@...hat.com>
Subject: Re: [PATCH 1/2] cpu-hotplug: export
 cpu_hotplug_enable/cpu_hotplug_disable

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() ?
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