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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-09-18 16:55:29 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-09-18 17:13:18 -0700 |
| commit | 0edce91dcd83160019867a00746c679344dc0bbd (patch) | |
| tree | 91095d3b81e6c5f2eafb0da0b2b7ee1252d8aff9 /drivers/xen | |
| parent | 93afe0b75ef3675ca05320919a57de8b9bbb159c (diff) | |
| download | linux-stable-0edce91dcd83160019867a00746c679344dc0bbd.tar.gz linux-stable-0edce91dcd83160019867a00746c679344dc0bbd.tar.bz2 linux-stable-0edce91dcd83160019867a00746c679344dc0bbd.zip | |
xen/evtchn: ports start enabled
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/evtchn.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 709c32d949bf..72dc7f20c5ed 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -108,10 +108,9 @@ irqreturn_t evtchn_interrupt(int irq, void *data) u = get_port_user(port); - if (WARN(!get_port_enabled(port), - "Interrupt for port %d, but apparently not enabled; per-user %p\n", - port, u)) - goto out; + WARN(!get_port_enabled(port), + "Interrupt for port %d, but apparently not enabled; per-user %p\n", + port, u); disable_irq_nosync(irq); set_port_enabled(port, false); @@ -127,7 +126,6 @@ irqreturn_t evtchn_interrupt(int irq, void *data) } else u->ring_overflow = 1; -out: spin_unlock(&port_user_lock); return IRQ_HANDLED; @@ -265,6 +263,7 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port) */ BUG_ON(get_port_user(port) != NULL); set_port_user(port, u); + set_port_enabled(port, true); /* start enabled */ rc = bind_evtchn_to_irqhandler(port, evtchn_interrupt, IRQF_DISABLED, u->name, (void *)(unsigned long)port); |