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/arch/x86/numa.c b/xen/arch/x86/numa.c
index 8ef96b4732..61b091221f 100644
--- a/xen/arch/x86/numa.c
+++ b/xen/arch/x86/numa.c
@@ -325,9 +325,15 @@ static void dump_numa(unsigned char key)
 	rcu_read_unlock(&domlist_read_lock);
 }
 
+static struct keyhandler dump_numa_keyhandler = {
+	.diagnostic = 1,
+	.u.fn = dump_numa,
+	.desc = "dump numa info"
+};
+
 static __init int register_numa_trigger(void)
 {
-	register_keyhandler('u', dump_numa, "dump numa info");
+	register_keyhandler('u', &dump_numa_keyhandler);
 	return 0;
 }
 __initcall(register_numa_trigger);