#include <linux/smp.h>
#include <linux/cpu.h>
#include <linux/sysctl.h>
+#include <linux/tick.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/smp.h>
#ifdef CONFIG_HOTPLUG_CPU
+/* this is used for software suspend, and that shuts down
+ * CPUs even while the system is still booting... */
#define cpu_should_die() (cpu_is_offline(smp_processor_id()) && \
- system_state == SYSTEM_RUNNING)
+ (system_state == SYSTEM_RUNNING \
+ || system_state == SYSTEM_BOOTING))
#else
#define cpu_should_die() 0
#endif
set_thread_flag(TIF_POLLING_NRFLAG);
while (1) {
+ tick_nohz_stop_sched_tick(1);
while (!need_resched() && !cpu_should_die()) {
ppc64_runlatch_off();
HMT_medium();
ppc64_runlatch_on();
+ tick_nohz_restart_sched_tick();
if (cpu_should_die())
cpu_die();
preempt_enable_no_resched();
{
.ctl_name = CTL_KERN,
.procname = "kernel",
- .mode = 0755,
+ .mode = 0555,
.child = powersave_nap_ctl_table,
},
{}