From 90e03207f468e84258270ad07095ef50f925c17d Mon Sep 17 00:00:00 2001
From: Asias He <asias@redhat.com>
Date: Thu, 3 May 2012 10:20:51 +0800
Subject: [PATCH] virtio: Use ida to allocate virtio index

Current index allocation in virtio is based on a monotonically
increasing variable "index". This means we'll run out of numbers
after a while. E.g. someone crazy doing this in host side.

while(1) {
	hot-plug a virtio device
	hot-unplug the virito devcie
}

Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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