X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fbase%2Fcpu.c;h=aa66d7198d1c920d1d99248df9e0d4f325b82ec5;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=82b4430ab3412782e70a80891da5c57674a066bb;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 82b4430ab..aa66d7198 100644
--- 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;
 }