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-rw-r--r--drivers/acpi/processor_driver.c5
-rw-r--r--init/main.c4
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index b1034a9ada4..38ea0cc6dc4 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -581,6 +581,11 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
return 0;
}
+#ifdef CONFIG_SMP
+ if (pr->id >= setup_max_cpus && pr->id != 0)
+ return 0;
+#endif
+
BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
/*
diff --git a/init/main.c b/init/main.c
index 3bdb152f412..ac2e4a5f59e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -125,7 +125,9 @@ static char *ramdisk_execute_command;
#ifdef CONFIG_SMP
/* Setup configured maximum number of CPUs to activate */
-unsigned int __initdata setup_max_cpus = NR_CPUS;
+unsigned int setup_max_cpus = NR_CPUS;
+EXPORT_SYMBOL(setup_max_cpus);
+
/*
* Setup routine for controlling SMP activation