From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Mon, 19 Dec 2011 19:55:14 +0000 (-0500)
Subject: xenbus: Support HVM backends
X-Git-Tag: v3.3-rc1~129^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c5d37d30fbd27d424a18abc16786cb152a37017;p=pandora-kernel.git

xenbus: Support HVM backends

Add HVM implementations of xenbus_(map,unmap)_ring_v(alloc,free) so
that ring mappings can be done without using GNTMAP_contains_pte which
is not supported on HVM.  This also removes the need to use vmlist_lock
on PV by tracking the allocated xenbus rings.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
[v1: Fix compile error when XENBUS_FRONTEND is defined as module]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

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