# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 27a5a62552c039c2d35379095e04c41a0aa34991
# Parent 5adde07b4b8a9b01ec98fe37db18487a8c1f39d7
[MINIOS] Improved unbind_all_ports().
Signed-off-by: Jacob Gorm Hansen <jacobg@xxxxxxx>
---
extras/mini-os/events.c | 27 +++++++++++++++------------
extras/mini-os/include/events.h | 1 +
2 files changed, 16 insertions(+), 12 deletions(-)
diff -r 5adde07b4b8a -r 27a5a62552c0 extras/mini-os/events.c
--- a/extras/mini-os/events.c Thu Nov 30 17:14:09 2006 +0000
+++ b/extras/mini-os/events.c Thu Nov 30 17:17:28 2006 +0000
@@ -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_hand
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,
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);
diff -r 5adde07b4b8a -r 27a5a62552c0 extras/mini-os/include/events.h
--- a/extras/mini-os/include/events.h Thu Nov 30 17:14:09 2006 +0000
+++ b/extras/mini-os/include/events.h Thu Nov 30 17:17:28 2006 +0000
@@ -36,6 +36,7 @@ int evtchn_bind_interdomain(domid_t pal,
int evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port,
evtchn_handler_t
handler, void *data,
evtchn_port_t
*local_port);
+void unbind_all_ports(void);
static inline int notify_remote_via_evtchn(evtchn_port_t port)
{
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