[PATCH 2.6.27-rc4 24/27] mdb: add notify_die handler to system panic

[PATCH 2.6.27-rc4 24/27] mdb: add notify_die handler to system panic

[jmerkey]

add notify_die handler to system panic 


Signed-off-by: Jeffrey Vernon Merkey (jmerkey@wolfmountaingroup.com)

--- a/kernel/panic.c	2008-08-18 23:39:34.000000000 -0600
+++ b/kernel/panic.c	2008-08-18 23:43:21.000000000 -0600
@@ -21,6 +21,8 @@
 #include <linux/debug_locks.h>
 #include <linux/random.h>
 #include <linux/kallsyms.h>
+#include <linux/kdebug.h>
+
 
 int panic_on_oops;
 int tainted;
@@ -75,6 +77,13 @@
 	 */
 	preempt_disable();
 
+        /* call the notify_die handler for any resident debuggers which
+        * may be active and pass the message string.   On a software
+        * fault return at least some sort of regs for a remote debugger
+        * to look at.
+        */
+	notify_die(DIE_PANIC, buf, get_irq_regs(), 0, -1, SIGTERM);
+
 	bust_spinlocks(1);
 	va_start(args, fmt);
 	vsnprintf(buf, sizeof(buf), fmt, args);