xen: Add xenbus_backend device
authorBastian Blank <waldi@debian.org>
Sat, 10 Dec 2011 18:29:48 +0000 (19:29 +0100)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Fri, 16 Dec 2011 18:29:41 +0000 (13:29 -0500)
Access for xenstored to the event channel and pre-allocated ring is
managed via xenfs.  This adds its own character device featuring mmap
for the ring and an ioctl for the event channel.

Signed-off-by: Bastian Blank <waldi@debian.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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