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authorDaniel De Graaf <dgdegra@tycho.nsa.gov>2011-12-19 14:55:14 -0500
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-12-20 17:02:35 -0500
commit2c5d37d30fbd27d424a18abc16786cb152a37017 (patch)
treea721776de9157570120057a31de7e271cbe56b28 /drivers/xen/xenbus/xenbus_probe.h
parentMerge commit 'v3.2-rc3' into stable/for-linus-3.3 (diff)
downloadlinux-dev-2c5d37d30fbd27d424a18abc16786cb152a37017.tar.xz
linux-dev-2c5d37d30fbd27d424a18abc16786cb152a37017.zip
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>
Diffstat (limited to 'drivers/xen/xenbus/xenbus_probe.h')
-rw-r--r--drivers/xen/xenbus/xenbus_probe.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h
index 9b1de4e34c64..460d784a769a 100644
--- a/drivers/xen/xenbus/xenbus_probe.h
+++ b/drivers/xen/xenbus/xenbus_probe.h
@@ -76,4 +76,6 @@ extern void xenbus_otherend_changed(struct xenbus_watch *watch,
extern int xenbus_read_otherend_details(struct xenbus_device *xendev,
char *id_node, char *path_node);
+void xenbus_ring_ops_init(void);
+
#endif