From: Otavio Salvador <otavio@debian.org>
Date: Fri, 6 Jan 2006 08:11:26 +0000 (-0800)
Subject: [PATCH] arch/ppc/kernel/idle.c: don't declare cpu variable in non-SMP kernels
X-Git-Tag: v2.6.16-rc1~936^2~231
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=e13ac219816c58579f40b48220b2fa5d94c30e84;p=~emulex%2Finfiniband.git

[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>
---

diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 821a75e4560..1be3ca5bae4 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);
 		}