From ee336e10d5650d408efb66f634d462b9eb39c191 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 4 Jun 2013 16:42:29 -0400
Subject: [PATCH] xen/smp: Set the per-cpu IRQ number to a valid default.

When we free it we want to make sure to set it to a default
value of -1 so that we don't double-free it (in case somebody
calls us twice).

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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