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authorThomas Gleixner <tglx@linutronix.de>2013-03-21 22:49:48 +0100
committerThomas Gleixner <tglx@linutronix.de>2013-04-08 17:39:26 +0200
commit01436228bfefca77493efa00aa49a8b67167d4c5 (patch)
tree622e39a6b8f976863bbb1663cb0648ecbfdd135d /arch/m32r/kernel
parent91d591c387af34db00c39da2d1d25e69a91cf591 (diff)
downloadlinux-01436228bfefca77493efa00aa49a8b67167d4c5.tar.bz2
m32r: Use generic idle loop
Replace the private poller. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Link: http://lkml.kernel.org/r/20130321215234.470547189@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/m32r/kernel')
-rw-r--r--arch/m32r/kernel/process.c18
-rw-r--r--arch/m32r/kernel/smpboot.c2
2 files changed, 1 insertions, 19 deletions
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index bde899e155d3..e2d049018c3b 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -47,24 +47,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
-/*
- * 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 cpu_idle (void)
-{
- /* endless idle loop with no priority at all */
- while (1) {
- rcu_idle_enter();
- while (!need_resched())
- cpu_relax();
- rcu_idle_exit();
- schedule_preempt_disabled();
- }
-}
-
void machine_restart(char *__unused)
{
#if defined(CONFIG_PLAT_MAPPI3)
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index 13168a769f8f..0ac558adc605 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -432,7 +432,7 @@ int __init start_secondary(void *unused)
*/
local_flush_tlb_all();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
return 0;
}