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Diffstat (limited to 'kernel')
-rw-r--r--kernel/cpu.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 369d2892687..208cf3497c1 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -262,12 +262,6 @@ int __cpuinit cpu_up(unsigned int cpu)
}
#ifdef CONFIG_SUSPEND_SMP
-/* Needed to prevent the microcode driver from requesting firmware in its CPU
- * hotplug notifier during the suspend/resume.
- */
-int suspend_cpu_hotplug;
-EXPORT_SYMBOL(suspend_cpu_hotplug);
-
static cpumask_t frozen_cpus;
int disable_nonboot_cpus(void)
@@ -275,7 +269,6 @@ int disable_nonboot_cpus(void)
int cpu, first_cpu, error = 0;
mutex_lock(&cpu_add_remove_lock);
- suspend_cpu_hotplug = 1;
first_cpu = first_cpu(cpu_online_map);
/* We take down all of the non-boot CPUs in one shot to avoid races
* with the userspace trying to use the CPU hotplug at the same time
@@ -302,7 +295,6 @@ int disable_nonboot_cpus(void)
} else {
printk(KERN_ERR "Non-boot CPUs are not disabled\n");
}
- suspend_cpu_hotplug = 0;
mutex_unlock(&cpu_add_remove_lock);
return error;
}
@@ -317,7 +309,6 @@ void enable_nonboot_cpus(void)
if (cpus_empty(frozen_cpus))
goto out;
- suspend_cpu_hotplug = 1;
printk("Enabling non-boot CPUs ...\n");
for_each_cpu_mask(cpu, frozen_cpus) {
error = _cpu_up(cpu, 1);
@@ -328,7 +319,6 @@ void enable_nonboot_cpus(void)
printk(KERN_WARNING "Error taking CPU%d up: %d\n", cpu, error);
}
cpus_clear(frozen_cpus);
- suspend_cpu_hotplug = 0;
out:
mutex_unlock(&cpu_add_remove_lock);
}