summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/Makefile3
-rw-r--r--kernel/smpboot.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index c0cc67ad764c..e5602d32acb3 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -10,7 +10,7 @@ obj-y = fork.o exec_domain.o panic.o printk.o \
kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
notifier.o ksysfs.o cred.o \
- async.o range.o groups.o lglock.o
+ async.o range.o groups.o lglock.o smpboot.o
ifdef CONFIG_FUNCTION_TRACER
# Do not trace debug files and internal ftrace files
@@ -46,7 +46,6 @@ obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
obj-$(CONFIG_SMP) += smp.o
-obj-$(CONFIG_SMP) += smpboot.o
ifneq ($(CONFIG_SMP),y)
obj-y += up.o
endif
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 9d5f7b04025d..d6c5fc054242 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -15,6 +15,8 @@
#include "smpboot.h"
+#ifdef CONFIG_SMP
+
#ifdef CONFIG_GENERIC_SMP_IDLE_THREAD
/*
* For the hotplug case we keep the task structs around and reuse
@@ -72,6 +74,8 @@ void __init idle_threads_init(void)
}
#endif
+#endif /* #ifdef CONFIG_SMP */
+
static LIST_HEAD(hotplug_threads);
static DEFINE_MUTEX(smpboot_threads_lock);