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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-06 09:51:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-06 09:51:28 -0700
commit34984f54b7e8cb29632e921fb2f47b403c0e617a (patch)
tree76a900f41782ab78eb2c96ee2b6ff81c9f3bf1b3 /drivers
parent8fe9793af04e2a63257dd620984ca912a6a40965 (diff)
parent31e7e931cdc27f76dc68444edc4df1c0d1bfa6cc (diff)
Merge branch 'v2.6.36-rc6-urgent-fixes' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm
* 'v2.6.36-rc6-urgent-fixes' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm: xen: do not initialize PV timers on HVM if !xen_have_vector_callback xen: do not set xenstored_ready before xenbus_probe on hvm
Diffstat (limited to 'drivers')
-rw-r--r--drivers/xen/xenbus/xenbus_probe.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 29bac511887..d409495876f 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -755,7 +755,10 @@ int register_xenstore_notifier(struct notifier_block *nb)
{
int ret = 0;
- blocking_notifier_chain_register(&xenstore_chain, nb);
+ if (xenstored_ready > 0)
+ ret = nb->notifier_call(nb, 0, NULL);
+ else
+ blocking_notifier_chain_register(&xenstore_chain, nb);
return ret;
}
@@ -769,7 +772,7 @@ EXPORT_SYMBOL_GPL(unregister_xenstore_notifier);
void xenbus_probe(struct work_struct *unused)
{
- BUG_ON((xenstored_ready <= 0));
+ xenstored_ready = 1;
/* Enumerate devices in xenstore and watch for changes. */
xenbus_probe_devices(&xenbus_frontend);
@@ -835,8 +838,8 @@ static int __init xenbus_init(void)
xen_store_evtchn = xen_start_info->store_evtchn;
xen_store_mfn = xen_start_info->store_mfn;
xen_store_interface = mfn_to_virt(xen_store_mfn);
+ xenstored_ready = 1;
}
- xenstored_ready = 1;
}
/* Initialize the interface to xenstore. */