Add a single trigger for all diagnostic keyhandlers

Add a new keyhandler that triggers all the side-effect-free
keyhandlers.  This lets automated tests (and users) log the full set
of keyhandlers without having to be aware of which ones might reboot
the host.

Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/xen/common/event_channel.c b/xen/common/event_channel.c
index ccc709111f..9c2731788a 100644
--- a/xen/common/event_channel.c
+++ b/xen/common/event_channel.c
@@ -1135,9 +1135,15 @@ static void dump_evtchn_info(unsigned char key)
     rcu_read_unlock(&domlist_read_lock);
 }
 
+static struct keyhandler dump_evtchn_info_keyhandler = {
+    .diagnostic = 1,
+    .u.fn = dump_evtchn_info,
+    .desc = "dump evtchn info"
+};
+
 static int __init dump_evtchn_info_key_init(void)
 {
-    register_keyhandler('e', dump_evtchn_info, "dump evtchn info");
+    register_keyhandler('e', &dump_evtchn_info_keyhandler);
     return 0;
 }
 __initcall(dump_evtchn_info_key_init);