[LV-k25-commit] kernel-2.5/arch/vax/kernel setup.c,1.16,1.17

[Kenn H. <ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv22898/arch/vax/kernel

Modified Files:
	setup.c 
Log Message:
Implement halt-on-panic via a panic notifier.  This returns panic.c to
pristine Linus condition


Index: setup.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/arch/vax/kernel/setup.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -d -r1.16 -r1.17
--- setup.c	2 Sep 2004 22:38:46 -0000	1.16
+++ setup.c	7 Apr 2005 22:35:50 -0000	1.17
@@ -20,6 +20,7 @@
 #include <linux/major.h>
 #include <linux/kdev_t.h>
 #include <linux/root_dev.h>
+#include <linux/notifier.h>
 
 #include <asm/rpb.h>
 #include <asm/page.h>
@@ -81,6 +82,18 @@
 	.show = show_cpuinfo,
 };
 
+static int vax_panic_notifier(struct notifier_block *this,
+	unsigned long event, void *ptr)
+{
+	machine_halt();
+        return NOTIFY_DONE;
+}
+
+static struct notifier_block vax_panic_block = {
+	.notifier_call = vax_panic_notifier,
+	.priority = INT_MIN /* may not return; must be done last */
+};
+
 void __init setup_arch(char **cmdline_p)
 {
 	unsigned long zones_size[MAX_NR_ZONES] = { 0, 0, 0 };
@@ -89,6 +102,8 @@
 	unsigned long region_start;
 	unsigned long region_len;
 
+	notifier_chain_register(&panic_notifier_list, &vax_panic_block);
+
         /* 
 	 * save the command line from the boot block, before it gets
 	 * stomped on.