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| author | David Vrabel <david.vrabel@citrix.com> | 2013-03-12 18:28:04 +0000 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2014-01-06 10:07:32 -0500 |
| commit | 872951850666689e931e567ebdc7c483135d14cf (patch) | |
| tree | 679aacb5e91a459456e9190b17db9be395538e95 /drivers/xen | |
| parent | b7ef4a6dd35d1b47db72fbd1a31c8fd0da7a74f3 (diff) | |
| download | linux-872951850666689e931e567ebdc7c483135d14cf.tar.gz linux-872951850666689e931e567ebdc7c483135d14cf.tar.xz | |
xen/events: refactor retrigger_dynirq() and resend_irq_on_evtchn()
These two function did the same thing with different parameters, put
the common bits in retrigger_evtchn().
This changes the return value of resend_irq_on_evtchn() but the only
caller (in arch/ia64/xen/irq_xen.c) ignored the return value so this
is fine.
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.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 4035e833ea26..ddcdbb508dab 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1558,13 +1558,13 @@ static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest, return rebind_irq_to_cpu(data->irq, tcpu); } -int resend_irq_on_evtchn(unsigned int irq) +static int retrigger_evtchn(int evtchn) { - int masked, evtchn = evtchn_from_irq(irq); + int masked; struct shared_info *s = HYPERVISOR_shared_info; if (!VALID_EVTCHN(evtchn)) - return 1; + return 0; masked = sync_test_and_set_bit(evtchn, BM(s->evtchn_mask)); sync_set_bit(evtchn, BM(s->evtchn_pending)); @@ -1574,6 +1574,11 @@ int resend_irq_on_evtchn(unsigned int irq) return 1; } +int resend_irq_on_evtchn(unsigned int irq) +{ + return retrigger_evtchn(evtchn_from_irq(irq)); +} + static void enable_dynirq(struct irq_data *data) { int evtchn = evtchn_from_irq(data->irq); @@ -1608,21 +1613,7 @@ static void mask_ack_dynirq(struct irq_data *data) static int retrigger_dynirq(struct irq_data *data) { - int evtchn = evtchn_from_irq(data->irq); - struct shared_info *sh = HYPERVISOR_shared_info; - int ret = 0; - - if (VALID_EVTCHN(evtchn)) { - int masked; - - masked = sync_test_and_set_bit(evtchn, BM(sh->evtchn_mask)); - sync_set_bit(evtchn, BM(sh->evtchn_pending)); - if (!masked) - unmask_evtchn(evtchn); - ret = 1; - } - - return ret; + return retrigger_evtchn(evtchn_from_irq(data->irq)); } static void restore_pirqs(void) |