From 1da1180c6e28cf21be356e2701978727558fa198 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 26 Nov 2008 15:52:44 +0900 Subject: sh: Split out the idle loop for reuse between _32/_64 variants. Signed-off-by: Paul Mundt --- arch/sh/kernel/process_32.c | 61 --------------------------------------------- 1 file changed, 61 deletions(-) (limited to 'arch/sh/kernel/process_32.c') diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index e781540bd99..130817affa6 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -32,69 +32,8 @@ #include #include -static int hlt_counter; int ubc_usercnt = 0; -void (*pm_idle)(void); -void (*pm_power_off)(void); -EXPORT_SYMBOL(pm_power_off); - -static int __init nohlt_setup(char *__unused) -{ - hlt_counter = 1; - return 1; -} -__setup("nohlt", nohlt_setup); - -static int __init hlt_setup(char *__unused) -{ - hlt_counter = 0; - return 1; -} -__setup("hlt", hlt_setup); - -static void default_idle(void) -{ - if (!hlt_counter) { - clear_thread_flag(TIF_POLLING_NRFLAG); - smp_mb__after_clear_bit(); - set_bl_bit(); - stop_critical_timings(); - - while (!need_resched()) - cpu_sleep(); - - start_critical_timings(); - clear_bl_bit(); - set_thread_flag(TIF_POLLING_NRFLAG); - } else - while (!need_resched()) - cpu_relax(); -} - -void cpu_idle(void) -{ - set_thread_flag(TIF_POLLING_NRFLAG); - - /* endless idle loop with no priority at all */ - while (1) { - void (*idle)(void) = pm_idle; - - if (!idle) - idle = default_idle; - - tick_nohz_stop_sched_tick(1); - while (!need_resched()) - idle(); - tick_nohz_restart_sched_tick(); - - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - check_pgt_cache(); - } -} - void machine_restart(char * __unused) { /* SR.BL=1 and invoke address error to let CPU reset (manual reset) */ -- cgit v1.2.3-70-g09d2