From: Amit Shah <amit.shah@redhat.com>
Date: Mon, 21 Dec 2009 16:52:08 +0000 (+0530)
Subject: virtio: console: Handle port hot-plug
X-Git-Tag: v2.6.34-rc1~294^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f5d810dac70214d00b2440787535b6c7a73b6b7;p=pandora-kernel.git

virtio: console: Handle port hot-plug

If the 'nr_ports' variable in the config space is updated to a higher
value, that means new ports have been hotplugged.

Introduce a new workqueue to handle such updates and create new ports.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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