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Merge branches 'sched/devel', 'sched/cpu-hotplug', 'sched/cpusets' and 'sched/urgent' into sched/core

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This commit is contained in:
Ingo Molnar 2008-10-08 11:31:02 +02:00
commit 990d0f2ced
29 changed files with 680 additions and 480 deletions
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24
kernel/cpu.c
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@ -199,13 +199,14 @@ static int __ref take_cpu_down(void *_param)
struct take_cpu_down_param *param = _param;
int err;
raw_notifier_call_chain(&cpu_chain, CPU_DYING | param->mod,
param->hcpu);
/* Ensure this CPU doesn't handle any more interrupts. */
err = __cpu_disable();
if (err < 0)
return err;
raw_notifier_call_chain(&cpu_chain, CPU_DYING | param->mod,
param->hcpu);
/* Force idle task to run as soon as we yield: it should
immediately notice cpu is offline and die quickly. */
sched_idle_next();
@ -453,6 +454,25 @@ out:
}
#endif /* CONFIG_PM_SLEEP_SMP */
/**
* notify_cpu_starting(cpu) - call the CPU_STARTING notifiers
* @cpu: cpu that just started
*
* This function calls the cpu_chain notifiers with CPU_STARTING.
* It must be called by the arch code on the new cpu, before the new cpu
* enables interrupts and before the "boot" cpu returns from __cpu_up().
*/
void notify_cpu_starting(unsigned int cpu)
{
unsigned long val = CPU_STARTING;
#ifdef CONFIG_PM_SLEEP_SMP
if (cpu_isset(cpu, frozen_cpus))
val = CPU_STARTING_FROZEN;
#endif /* CONFIG_PM_SLEEP_SMP */
raw_notifier_call_chain(&cpu_chain, val, (void *)(long)cpu);
}
#endif /* CONFIG_SMP */
/*