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Commit f8dc3308 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Jeremy Fitzhardinge
Browse files

xen: improvement to wait_for_devices() 



When printing a warning about a timed-out device, print the
current state of both ends of the device connection (i.e., backend as
well as frontend).  This backports half of changeset 146 from the
Xenbits tree.

Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent c6e19711

drivers/xen/xenbus/xenbus_probe.c

+6 −3
Original line number Diff line number Diff line
@@ -885,10 +885,13 @@ static int print_device_status(struct device *dev, void *data) 
		/* Information only: is this too noisy? */

		printk(KERN_INFO "XENBUS: Device with no driver: %s\n",

		       xendev->nodename);

	} else if (xendev->state != XenbusStateConnected) {

	} else if (xendev->state < XenbusStateConnected) {

		enum xenbus_state rstate = XenbusStateUnknown;

		if (xendev->otherend)

			rstate = xenbus_read_driver_state(xendev->otherend);

		printk(KERN_WARNING "XENBUS: Timeout connecting "

		       "to device: %s (state %d)\n",

		       xendev->nodename, xendev->state);

		       "to device: %s (local state %d, remote state %d)\n",

		       xendev->nodename, xendev->state, rstate);

	}



	return 0;