diff options
Diffstat (limited to 'extras/mini-os/events.c')
| -rw-r--r-- | extras/mini-os/events.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/extras/mini-os/events.c b/extras/mini-os/events.c index 5d60ab70fc..dad8e42377 100644 --- a/extras/mini-os/events.c +++ b/extras/mini-os/events.c @@ -31,26 +31,27 @@ typedef struct _ev_action_t { u32 count; } ev_action_t; - static ev_action_t ev_actions[NR_EVS]; void default_handler(evtchn_port_t port, struct pt_regs *regs, void *data); +static unsigned long bound_ports[NR_EVS/(8*sizeof(unsigned long))]; + void unbind_all_ports(void) { int i; - for(i=0;i<NR_EVS;i++) - { - if(ev_actions[i].handler != default_handler) - { - struct evtchn_close close; - mask_evtchn(i); - close.port = i; - HYPERVISOR_event_channel_op(EVTCHNOP_close, &close); - } - } + for (i = 0; i < NR_EVS; i++) + { + if (test_and_clear_bit(i, bound_ports)) + { + struct evtchn_close close; + mask_evtchn(i); + close.port = i; + HYPERVISOR_event_channel_op(EVTCHNOP_close, &close); + } + } } - + /* * Demux events to different handlers. */ @@ -114,6 +115,7 @@ int bind_virq(uint32_t virq, evtchn_handler_t handler, void *data) printk("Failed to bind virtual IRQ %d\n", virq); return 1; } + set_bit(op.port,bound_ports); bind_evtchn(op.port, handler, data); return 0; } @@ -188,6 +190,7 @@ int evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port, int err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, &op); if (err) return err; + set_bit(op.local_port,bound_ports); evtchn_port_t port = op.local_port; clear_evtchn(port); /* Without, handler gets invoked now! */ *local_port = bind_evtchn(port, handler, data); |