VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / drivers / base / cpu.c

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 82b4430..aa66d71 100644 (file)
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -58,6 +58,8 @@ static inline void register_cpu_control(struct cpu *cpu)
 
 /*
  * register_cpu - Setup a driverfs device for a CPU.
+ * @cpu - Callers can set the cpu->no_control field to 1, to indicate not to
+ *               generate a control file in sysfs for this CPU.
  * @num - CPU number to use when creating the device.
  *
  * Initialize and register the CPU device.
@@ -75,7 +77,7 @@ int __init register_cpu(struct cpu *cpu, int num, struct node *root)
                error = sysfs_create_link(&root->sysdev.kobj,
                                          &cpu->sysdev.kobj,
                                          kobject_name(&cpu->sysdev.kobj));
-       if (!error)
+       if (!error && !cpu->no_control)
                register_cpu_control(cpu);
        return error;
 }