[PATCH try2] panic: setup panic_timeout early

[Felipe Contreras <felipe.contreras@gmail.com>]

Otherwise we might not reboot when the user needs it the most (early
on).

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---

This is exactly the same as in the previous try, but now alone since it was
mudded by largely irrelevant patches in the series.

 kernel/panic.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index b6c482c..46e37ff 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -468,9 +468,21 @@ EXPORT_SYMBOL(__stack_chk_fail);
 
 #endif
 
-core_param(panic, panic_timeout, int, 0644);
 core_param(pause_on_oops, pause_on_oops, int, 0644);
 
+static int __init set_panic_timeout(char *str)
+{
+	int timeout;
+
+	if (!get_option(&str, &timeout))
+		return -EINVAL;
+
+	panic_timeout = timeout;
+	return 0;
+}
+
+early_param("panic_timeout", set_panic_timeout);
+
 static int __init oops_setup(char *s)
 {
 	if (!s)
-- 
1.8.4.2+fc1