xen: add irq_from_evtchn
authorIan Campbell <ian.campbell@citrix.com>
Sat, 7 Feb 2009 03:20:31 +0000 (19:20 -0800)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Mon, 30 Mar 2009 16:26:49 +0000 (09:26 -0700)
Given an evtchn, return the corresponding irq.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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