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xen/events: add xen_evtchn_mask_all()

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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>
This commit is contained in:
David Vrabel 2013-09-05 18:11:38 +01:00 committed by Konrad Rzeszutek Wilk
parent d0b075ffee
commit fd21069dfe
1 changed files with 11 additions and 7 deletions
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18
drivers/xen/events/events_base.c
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@ -344,6 +344,14 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
info->cpu = cpu;
}
static void xen_evtchn_mask_all(void)
{
unsigned int evtchn;
for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
mask_evtchn(evtchn);
}
/**
* notify_remote_via_irq - send event to remote end of event channel via irq
* @irq: irq of event channel to send event to
@ -1520,12 +1528,11 @@ EXPORT_SYMBOL_GPL(xen_test_irq_shared);
void xen_irq_resume(void)
{
unsigned int cpu, evtchn;
unsigned int cpu;
struct irq_info *info;
/* New event-channel space is not 'live' yet. */
for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
mask_evtchn(evtchn);
xen_evtchn_mask_all();
/* No IRQ <-> event-channel mappings. */
list_for_each_entry(info, &xen_irq_list_head, list)
@ -1624,8 +1631,6 @@ void xen_callback_vector(void) {}
void __init xen_init_IRQ(void)
{
int i;
xen_evtchn_2l_init();
evtchn_to_irq = kcalloc(EVTCHN_ROW(xen_evtchn_max_channels()),
@ -1633,8 +1638,7 @@ void __init xen_init_IRQ(void)
BUG_ON(!evtchn_to_irq);
/* No event channels are 'live' right now. */
for (i = 0; i < xen_evtchn_nr_channels(); i++)
mask_evtchn(i);
xen_evtchn_mask_all();
pirq_needs_eoi = pirq_needs_eoi_flag;