[PATCH] arch/ppc/kernel/idle.c: don't declare cpu variable in non-SMP kernels

Disable declaration of cpu variable in default_idle function when
building non-SMP kernels.

Signed-off-by: Otavio Salvador <otavio@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 821a75e45602..1be3ca5bae40 100644
--- a/arch/ppc/kernel/idle.c
+++ b/arch/ppc/kernel/idle.c
@@ -37,7 +37,6 @@
 void default_idle(void)
 {
         void (*powersave)(void);
-        int cpu = smp_processor_id();
 
         powersave = ppc_md.power_save;
 
@@ -47,7 +46,8 @@ void default_idle(void)
 #ifdef CONFIG_SMP
                 else {
                         set_thread_flag(TIF_POLLING_NRFLAG);
-                        while (!need_resched() && !cpu_is_offline(cpu))
+                        while (!need_resched() &&
+                                        !cpu_is_offline(smp_processor_id()))
                                 barrier();
                         clear_thread_flag(TIF_POLLING_NRFLAG);
                 }