From 0edce91dcd83160019867a00746c679344dc0bbd Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Fri, 18 Sep 2009 16:55:29 -0700 Subject: [PATCH] xen/evtchn: ports start enabled Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/evtchn.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 709c32d..72dc7f2 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); -- 2.7.4