xen: branch for v5.11-rc8

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Merge tag 'for-linus-5.11-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A single fix for an issue introduced this development cycle: when
  running as a Xen guest on Arm systems the kernel will hang during
  boot"

* tag 'for-linus-5.11-rc8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  arm/xen: Don't probe xenbus as part of an early initcall

arch/arm/xen/enlighten.c

@@ -370,8 +370,6 @@ static int __init xen_guest_init(void)
 		return -ENOMEM;
 	}
 	gnttab_init();
-	if (!xen_initial_domain())
-		xenbus_probe();
 
 	/*
 	 * Making sure board specific code will not set up ops for

drivers/xen/xenbus/xenbus.h

@@ -115,7 +115,6 @@ int xenbus_probe_node(struct xen_bus_type *bus,
 		      const char *type,
 		      const char *nodename);
 int xenbus_probe_devices(struct xen_bus_type *bus);
-void xenbus_probe(void);
 
 void xenbus_dev_changed(const char *node, struct xen_bus_type *bus);
 

drivers/xen/xenbus/xenbus_probe.c

@@ -683,7 +683,7 @@ void unregister_xenstore_notifier(struct notifier_block *nb)
 }
 EXPORT_SYMBOL_GPL(unregister_xenstore_notifier);
 
-void xenbus_probe(void)
+static void xenbus_probe(void)
 {
 	xenstored_ready = 1;
 

include/xen/xenbus.h

@@ -192,8 +192,6 @@ void xs_suspend_cancel(void);
 
 struct work_struct;
 
-void xenbus_probe(void);
-
 #define XENBUS_IS_ERR_READ(str) ({			\
 	if (!IS_ERR(str) && strlen(str) == 0) {		\
 		kfree(str);				\