Re: [RFC PATCH] sched, timer: Use atomics for thread_group_cputimer stats

[Peter Zijlstra]

> +		.running = ATOMIC_INIT(0),                              \
> +	atomic_t running;
> +		atomic_set(&sig->cputimer.running, 1);
> @@ -174,7 +174,7 @@ static inline bool cputimer_running(struct task_struct *tsk)
> +	if (!atomic_read(&cputimer->running))
> +	if (!atomic_read(&cputimer->running)) {
> +		atomic_set(&cputimer->running, 1);
> +	if (atomic_read(&tsk->signal->cputimer.running))
> +	atomic_set(&cputimer->running, 0);
> +	if (atomic_read(&sig->cputimer.running)) {
> +	if (atomic_read(&tsk->signal->cputimer.running))

That doesn't really need an atomic_t.
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