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Commit 0edce91d authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

xen/evtchn: ports start enabled 



Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 93afe0b7

drivers/xen/evtchn.c

+4 −5
Original line number Diff line number Diff line
@@ -108,10 +108,9 @@ irqreturn_t evtchn_interrupt(int irq, void *data) 


	u = get_port_user(port);



	if (WARN(!get_port_enabled(port),

	WARN(!get_port_enabled(port),

	     "Interrupt for port %d, but apparently not enabled; per-user %p\n",

		 port, u))

		goto out;

	     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);