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xen: clean up domain mode predicates

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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>
This commit is contained in:
Jeremy Fitzhardinge
2008-08-19 13:16:17 -07:00
committed by Ingo Molnar
parent 170465ee7f
commit 6e833587e1
10 changed files with 36 additions and 21 deletions
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2
drivers/xen/balloon.c
View File

@@ -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");

2
drivers/xen/grant-table.c
View File

@@ -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;

8
drivers/xen/xenbus/xenbus_probe.c
View File

@@ -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)) {