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

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Message-Id: <1432037742-25923-2-git-send-email-vkuznets@redhat.com>
Date:	Tue, 19 May 2015 14:15:41 +0200
From:	Vitaly Kuznetsov <vkuznets@...hat.com>
To:	devel@...uxdriverproject.org
Cc:	"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>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Radim Krčmář <rkrcmar@...hat.com>
Subject: [PATCH 1/2] cpu-hotplug: export cpu_hotplug_enable/cpu_hotplug_disable

Loaded Hyper-V module will use these functions to disable CPU hotplug
under certain circumstances.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 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;
 	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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