console: allow a panic to be triggered from the xen console
I'm not sure how useful this is generally, but
its proving quite useful for me while working on kdump/kexec.
Signed-Off-By: Horms <horms@xxxxxxxxxxxx>
diff -r 91c77df11b43 xen/drivers/char/console.c
--- a/xen/drivers/char/console.c Wed May 10 17:30:42 2006 +0100
+++ b/xen/drivers/char/console.c Mon May 15 15:19:16 2006 +0900
@@ -701,6 +701,19 @@ void panic(const char *fmt, ...)
 machine_restart(0);
 }
 
+static void do_panic_trigger(unsigned char key)
+{
+ printk("triggering panic\n");
+ panic("CPU%d triggered panic\n", smp_processor_id());
+}
+
+static __init int register_panic_trigger(void)
+{
+ register_keyhandler('p', do_panic_trigger, "trigger a panic");
+ return 0;
+}
+__initcall(register_panic_trigger);
+
 /*
 * Local variables:
 * mode: C
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