xen: clean up domain mode predicates

There are four operating modes Xen code may find itself running in:
 - native
 - hvm domain
 - pv dom0
 - pv domU

Clean up predicates for testing for these states to make them more consistent.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Xen-devel <xen-devel@lists.xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 6 insertions, 6 deletions

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index fff987b10e0f..a51f3e17a5fd 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -419,7 +419,7 @@ static int __init balloon_init(void)
         unsigned long pfn;
         struct page *page;
 
-        if (!is_running_on_xen())
+        if (!xen_pv_domain())
                 return -ENODEV;
 
         pr_info("xen_balloon: Initialising balloon driver.\n");
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index e9e11168616a..06592b9da83c 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -508,7 +508,7 @@ static int __devinit gnttab_init(void)
         unsigned int max_nr_glist_frames, nr_glist_frames;
         unsigned int nr_init_grefs;
 
-        if (!is_running_on_xen())
+        if (!xen_domain())
                 return -ENODEV;
 
         nr_grant_frames = 1;
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 57ceb5346b74..7f24a98a446f 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -814,7 +814,7 @@ static int __init xenbus_probe_init(void)
         DPRINTK("");
 
         err = -ENODEV;
-        if (!is_running_on_xen())
+        if (!xen_domain())
                 goto out_error;
 
         /* Register ourselves with the kernel bus subsystem */
@@ -829,7 +829,7 @@ static int __init xenbus_probe_init(void)
         /*
          * Domain0 doesn't have a store_evtchn or store_mfn yet.
          */
-        if (is_initial_xendomain()) {
+        if (xen_initial_domain()) {
                 /* dom0 not yet supported */
         } else {
                 xenstored_ready = 1;
@@ -846,7 +846,7 @@ static int __init xenbus_probe_init(void)
                 goto out_unreg_back;
         }
 
-        if (!is_initial_xendomain())
+        if (!xen_initial_domain())
                 xenbus_probe(NULL);
 
         return 0;
@@ -937,7 +937,7 @@ static void wait_for_devices(struct xenbus_driver *xendrv)
         unsigned long timeout = jiffies + 10*HZ;
         struct device_driver *drv = xendrv ? &xendrv->driver : NULL;
 
-        if (!ready_to_wait_for_devices || !is_running_on_xen())
+        if (!ready_to_wait_for_devices || !xen_domain())
                 return;
 
         while (exists_disconnected_device(drv)) {