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Diffstat (limited to 'arch/x86/kernel/apb_timer.c')
-rw-r--r--arch/x86/kernel/apb_timer.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 4b7099526d2..a35347501d3 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -33,6 +33,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/sysdev.h>
+#include <linux/slab.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/sfi.h>
@@ -428,7 +429,7 @@ static int apbt_cpuhp_notify(struct notifier_block *n,
static __init int apbt_late_init(void)
{
- if (disable_apbt_percpu)
+ if (disable_apbt_percpu || !apb_timer_block_enabled)
return 0;
/* This notifier should be called after workqueue is ready */
hotcpu_notifier(apbt_cpuhp_notify, -20);