[tip:smp/hotplug] score: Use generic idle loop

[tip-bot for Thomas Gleixner]

Commit-ID:  99444202b924e916aad95073d23f9995ae8eb558
Gitweb:     http://git.kernel.org/tip/99444202b924e916aad95073d23f9995ae8eb558
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Mar 2013 22:49:58 +0100
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 8 Apr 2013 17:39:28 +0200

score: Use generic idle loop

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Paul McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Lennox Wu <lennox.wu@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20130321215235.147909863@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/score/Kconfig          |  1 +
 arch/score/kernel/process.c | 18 ------------------
 2 files changed, 1 insertion(+), 18 deletions(-)

diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index c8def8b..eaac45d 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -11,6 +11,7 @@ config SCORE
        select ARCH_DISCARD_MEMBLOCK
        select GENERIC_CPU_DEVICES
        select GENERIC_CLOCKEVENTS
+       select GENERIC_IDLE_LOOP
        select HAVE_MOD_ARCH_SPECIFIC
 	select VIRT_TO_BUS
 	select MODULES_USE_ELF_REL
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index 7956846..f4c6d02 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -41,24 +41,6 @@ void machine_halt(void) {}
 /* If or when software machine-power-off is implemented, add code here. */
 void machine_power_off(void) {}
 
-/*
- * The idle thread. There's no useful work to be
- * done, so just try to conserve power and have a
- * low exit latency (ie sit in a loop waiting for
- * somebody to say that they'd like to reschedule)
- */
-void __noreturn cpu_idle(void)
-{
-	/* endless idle loop with no priority at all */
-	while (1) {
-		rcu_idle_enter();
-		while (!need_resched())
-			barrier();
-		rcu_idle_exit();
-		schedule_preempt_disabled();
-	}
-}
-
 void ret_from_fork(void);
 void ret_from_kernel_thread(void);
 
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