[PATCH 1/2] xen/xenbus: log more information when device state got reset

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

Ease diagnosing what actually changed.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
---
 drivers/xen/xenbus/xenbus_probe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/xenbus/xenbus_probe.c 
b/drivers/xen/xenbus/xenbus_probe.c
index eb260eceb4d2..a259c8f0fff4 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -686,7 +686,8 @@ void xenbus_dev_changed(const char *node, struct 
xen_bus_type *bus)
                         * and new one needs to be probed.
                         */
                        dev_warn(&dev->dev,
-                                "state reset occurred, reconnecting\n");
+                                "state reset occurred (xenstore state %u, 
local state %u, xenstore backend %u, local backend %u), reconnecting\n",
+                                state, dev->state, backend, dev->otherend_id);
                        dev->vanished = true;
                }
                if (dev->vanished) {
-- 
2.54.0