xen/events: add xen_evtchn_mask_all()
Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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1 changed files with 11 additions and 7 deletions
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@ -344,6 +344,14 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
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info->cpu = cpu;
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}
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static void xen_evtchn_mask_all(void)
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{
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unsigned int evtchn;
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for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
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mask_evtchn(evtchn);
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}
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/**
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* notify_remote_via_irq - send event to remote end of event channel via irq
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* @irq: irq of event channel to send event to
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@ -1520,12 +1528,11 @@ EXPORT_SYMBOL_GPL(xen_test_irq_shared);
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void xen_irq_resume(void)
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{
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unsigned int cpu, evtchn;
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unsigned int cpu;
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struct irq_info *info;
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/* New event-channel space is not 'live' yet. */
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for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
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mask_evtchn(evtchn);
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xen_evtchn_mask_all();
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/* No IRQ <-> event-channel mappings. */
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list_for_each_entry(info, &xen_irq_list_head, list)
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@ -1624,8 +1631,6 @@ void xen_callback_vector(void) {}
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void __init xen_init_IRQ(void)
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{
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int i;
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xen_evtchn_2l_init();
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evtchn_to_irq = kcalloc(EVTCHN_ROW(xen_evtchn_max_channels()),
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@ -1633,8 +1638,7 @@ void __init xen_init_IRQ(void)
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BUG_ON(!evtchn_to_irq);
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/* No event channels are 'live' right now. */
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for (i = 0; i < xen_evtchn_nr_channels(); i++)
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mask_evtchn(i);
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xen_evtchn_mask_all();
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pirq_needs_eoi = pirq_needs_eoi_flag;
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