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Diffstat (limited to 'arch/x86/kernel/microcode.c')
-rw-r--r--arch/x86/kernel/microcode.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 09c315214a5..40cfd548871 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -436,7 +436,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
return -EINVAL;
}
- lock_cpu_hotplug();
+ get_online_cpus();
mutex_lock(&microcode_mutex);
user_buffer = (void __user *) buf;
@@ -447,7 +447,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
ret = (ssize_t)len;
mutex_unlock(&microcode_mutex);
- unlock_cpu_hotplug();
+ put_online_cpus();
return ret;
}
@@ -658,14 +658,14 @@ static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
old = current->cpus_allowed;
- lock_cpu_hotplug();
+ get_online_cpus();
set_cpus_allowed(current, cpumask_of_cpu(cpu));
mutex_lock(&microcode_mutex);
if (uci->valid)
err = cpu_request_microcode(cpu);
mutex_unlock(&microcode_mutex);
- unlock_cpu_hotplug();
+ put_online_cpus();
set_cpus_allowed(current, old);
}
if (err)
@@ -817,9 +817,9 @@ static int __init microcode_init (void)
return PTR_ERR(microcode_pdev);
}
- lock_cpu_hotplug();
+ get_online_cpus();
error = sysdev_driver_register(&cpu_sysdev_class, &mc_sysdev_driver);
- unlock_cpu_hotplug();
+ put_online_cpus();
if (error) {
microcode_dev_exit();
platform_device_unregister(microcode_pdev);
@@ -839,9 +839,9 @@ static void __exit microcode_exit (void)
unregister_hotcpu_notifier(&mc_cpu_notifier);
- lock_cpu_hotplug();
+ get_online_cpus();
sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver);
- unlock_cpu_hotplug();
+ put_online_cpus();
platform_device_unregister(microcode_pdev);
}