xen: add /dev/xen/evtchn driver
authorIan Campbell <ian.campbell@citrix.com>
Sat, 7 Feb 2009 03:21:19 +0000 (19:21 -0800)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Mon, 30 Mar 2009 16:26:49 +0000 (09:26 -0700)
This driver is used by application which wish to receive notifications
from the hypervisor or other guests via Xen's event channel
mechanism. In particular it is used by the xenstore daemon in domain
0.

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

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