Merge commit 'v2.6.26-rc9' into x86/cpu

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / process_32.c

diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index e2db9ac5c61c2b6d6de1f0b13f71b6d834eaeca2..c2a11d77b1b5664391b96577d67c698fec5534d3 100644 (file)
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -58,11 +58,6 @@
 
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
 
-static int hlt_counter;
-
-unsigned long boot_option_idle_override = 0;
-EXPORT_SYMBOL(boot_option_idle_override);
-
 DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task;
 EXPORT_PER_CPU_SYMBOL(current_task);
 
@@ -77,55 +72,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
        return ((unsigned long *)tsk->thread.sp)[3];
 }
 
-/*
- * Powermanagement idle function, if any..
- */
-void (*pm_idle)(void);
-EXPORT_SYMBOL(pm_idle);
-
-void disable_hlt(void)
-{
-       hlt_counter++;
-}
-
-EXPORT_SYMBOL(disable_hlt);
-
-void enable_hlt(void)
-{
-       hlt_counter--;
-}
-
-EXPORT_SYMBOL(enable_hlt);
-
-/*
- * We use this if we don't have any better
- * idle routine..
- */
-void default_idle(void)
-{
-       if (!hlt_counter && boot_cpu_data.hlt_works_ok) {
-               current_thread_info()->status &= ~TS_POLLING;
-               /*
-                * TS_POLLING-cleared state must be visible before we
-                * test NEED_RESCHED:
-                */
-               smp_mb();
-
-               if (!need_resched())
-                       safe_halt();    /* enables interrupts racelessly */
-               else
-                       local_irq_enable();
-               current_thread_info()->status |= TS_POLLING;
-       } else {
-               local_irq_enable();
-               /* loop is done by the caller */
-               cpu_relax();
-       }
-}
-#ifdef CONFIG_APM_MODULE
-EXPORT_SYMBOL(default_idle);
-#endif
-
 #ifdef CONFIG_HOTPLUG_CPU
 #include <asm/nmi.h>
 /* We don't actually take CPU down, just spin without interrupts. */
@@ -168,24 +114,19 @@ void cpu_idle(void)
        while (1) {
                tick_nohz_stop_sched_tick();
                while (!need_resched()) {
-                       void (*idle)(void);
 
                        check_pgt_cache();
                        rmb();
-                       idle = pm_idle;
 
                        if (rcu_pending(cpu))
                                rcu_check_callbacks(cpu, 0);
 
-                       if (!idle)
-                               idle = default_idle;
-
                        if (cpu_is_offline(cpu))
                                play_dead();
 
                        local_irq_disable();
                        __get_cpu_var(irq_stat).idle_timestamp = jiffies;
-                       idle();
+                       pm_idle();
                }
                tick_nohz_restart_sched_tick();
                preempt_enable_no_resched();