[patch 28/34] score: Use generic idle loop

Thomas Gleixner
2013-03-21T21:55:49Z

[-- Attachment #1: score-use-generic-idle-loop.patch --]
[-- Type: text/plain, Size: 1532 bytes --]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Lennox Wu <lennox.wu@gmail.com>
---
arch/score/Kconfig | 1 +
arch/score/kernel/process.c | 18 ------------------
2 files changed, 1 insertion(+), 18 deletions(-)

Index: linux-2.6/arch/score/Kconfig
===================================================================
--- linux-2.6.orig/arch/score/Kconfig
+++ linux-2.6/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
Index: linux-2.6/arch/score/kernel/process.c
===================================================================
--- linux-2.6.orig/arch/score/kernel/process.c
+++ linux-2.6/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);