diff options
| author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2011-12-19 14:55:14 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-12-20 17:02:35 -0500 |
| commit | 2c5d37d30fbd27d424a18abc16786cb152a37017 (patch) | |
| tree | a721776de9157570120057a31de7e271cbe56b28 /drivers/xen/xenbus/xenbus_probe.h | |
| parent | cb85f123cd2393581bcffad335bfc6bcdd58569c (diff) | |
| download | linux-2c5d37d30fbd27d424a18abc16786cb152a37017.tar.bz2 | |
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.h | 2 |
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 |