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authorDavid Vrabel <david.vrabel@citrix.com>2013-09-05 18:11:38 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2014-01-06 10:07:49 -0500
commitfd21069dfe31a4b20f5ef580006abe72d1660f5b (patch)
treeb017eebbcb603ebeee88dac8824c03fde0ee4a5e /drivers/xen
parentd0b075ffeede257342c3afdbeadd2fda8504ecee (diff)
downloadop-kernel-dev-fd21069dfe31a4b20f5ef580006abe72d1660f5b.zip
op-kernel-dev-fd21069dfe31a4b20f5ef580006abe72d1660f5b.tar.gz
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>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events/events_base.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index a690666..c6d64f1 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -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;
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