Messages in this thread | | | Date | Wed, 24 Feb 2016 11:36:16 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH 5/5] x86/mbm: Add support for MBM counter overflow handling |
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On Wed, 10 Feb 2016, Vikas Shivappa wrote: > +static enum hrtimer_restart mbm_hrtimer_handle(struct hrtimer *hrtimer) > +{ > + if (list_empty(&cache_groups)) > + goto out; > + > + list_for_each_entry(iter, &cache_groups, hw.cqm_groups_entry) {
....
> + } > + } > + > +out: > + raw_spin_unlock_irqrestore(&cache_lock, flags); > + mutex_unlock(&cache_mutex); > + > + hrtimer_forward_now(hrtimer, ms_to_ktime(MBM_CTR_OVERFLOW_TIME)); > + > + return HRTIMER_RESTART;
Why is that timer restarted if cache_groups is empty?
Thanks,
tglx
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