xen: Add proper irq accounting for HYPERCALL vector

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Xen <xen-devel@lists.xenproject.org>
Link: http://lkml.kernel.org/r/20140223212738.808648133@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 5dd2ddf634fb121d1c8292b713f4e52868b1bc21..8b91c2561b684e6d17be9094f714c93ee10c7009 100644 (file)
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1235,6 +1235,7 @@ void xen_evtchn_do_upcall(struct pt_regs *regs)
 #ifdef CONFIG_X86
        exit_idle();
 #endif
+       inc_irq_stat(irq_hv_callback_count);
 
        __xen_evtchn_do_upcall();