diff options
| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-08-28 04:30:24 +0400 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-10-22 23:57:21 +0400 |
| commit | 3588fe2e3f36543664beafedd3bb6dc3ffa896c5 (patch) | |
| tree | 36195936e090abf5f641f359b64e9d8e7a1cf5f2 /drivers/xen | |
| parent | 1e17fc7eff56d23a835d5d33e71d813aa9eb8ecc (diff) | |
| download | linux-3588fe2e3f36543664beafedd3bb6dc3ffa896c5.tar.xz | |
xen/events: change to using fasteoi
Change event delivery to:
- mask+clear event in the upcall function
- use handle_fasteoi_irq as the handler
- unmask in the eoi function (and handle migration)
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/events.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 13365ba35218..8beb2bc60f7d 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -378,7 +378,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) irq = find_unbound_irq(); set_irq_chip_and_handler_name(irq, &xen_dynamic_chip, - handle_edge_irq, "event"); + handle_fasteoi_irq, "event"); evtchn_to_irq[evtchn] = irq; irq_info[irq] = mk_evtchn_info(evtchn); @@ -664,6 +664,9 @@ static void __xen_evtchn_do_upcall(void) int irq = evtchn_to_irq[port]; struct irq_desc *desc; + mask_evtchn(port); + clear_evtchn(port); + if (irq != -1) { desc = irq_to_desc(irq); if (desc) @@ -801,10 +804,10 @@ static void ack_dynirq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); - move_native_irq(irq); + move_masked_irq(irq); if (VALID_EVTCHN(evtchn)) - clear_evtchn(evtchn); + unmask_evtchn(evtchn); } static int retrigger_dynirq(unsigned int irq) @@ -960,7 +963,7 @@ static struct irq_chip xen_dynamic_chip __read_mostly = { .mask = disable_dynirq, .unmask = enable_dynirq, - .ack = ack_dynirq, + .eoi = ack_dynirq, .set_affinity = set_affinity_irq, .retrigger = retrigger_dynirq, }; |