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[Xen-changelog] Grab lock around registering watch.

from [Xen patchbot -unstable]

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Subject:	[Xen-changelog] Grab lock around registering watch.
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Tue, 26 Jul 2005 20:26:16 -0400
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# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID aeb3b64ea40eb9c4bcb9d1b4862c98684d325759
# Parent  bd0ff9b1ea14d4c2b643dc3b094dd1debb049ffd
Grab lock around registering watch.
Signed-off-by: Rusty Russel <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>

diff -r bd0ff9b1ea14 -r aeb3b64ea40e 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c    Tue Jul 26 
17:07:05 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c    Tue Jul 26 
17:07:50 2005
@@ -262,7 +262,9 @@
        /* Enumerate devices in xenstore. */
        xenbus_probe_devices("device");
 
+       down(&xenbus_lock);
        register_xenbus_watch(&dev_watch);
+       up(&xenbus_lock);
        return 0;
 }
 

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