diff options
Diffstat (limited to 'drivers/xen/events/events_base.c')
| -rw-r--r-- | drivers/xen/events/events_base.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index e9001fef4ffd..1d16185e82b2 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1563,6 +1563,7 @@ void xen_irq_resume(void) /* New event-channel space is not 'live' yet. */ xen_evtchn_mask_all(); + xen_evtchn_resume(); /* No IRQ <-> event-channel mappings. */ list_for_each_entry(info, &xen_irq_list_head, list) @@ -1659,9 +1660,20 @@ void xen_callback_vector(void) void xen_callback_vector(void) {} #endif +#undef MODULE_PARAM_PREFIX +#define MODULE_PARAM_PREFIX "xen." + +static bool fifo_events = true; +module_param(fifo_events, bool, 0); + void __init xen_init_IRQ(void) { - xen_evtchn_2l_init(); + int ret = -EINVAL; + + if (fifo_events) + ret = xen_evtchn_fifo_init(); + if (ret < 0) + xen_evtchn_2l_init(); evtchn_to_irq = kcalloc(EVTCHN_ROW(xen_evtchn_max_channels()), sizeof(*evtchn_to_irq), GFP_KERNEL); |