From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sun, 19 Oct 2008 13:19:21 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Sender: jan.kiszka@domain.hid
Subject: [Adeos-main] [PATCH] Improve ipipe's oops detection
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To: Philippe Gerum <rpm@xenomai.org>
Cc: adeos-main <adeos-main@gna.org>

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Due to my extended context checks, oopses will first trigger such errors
now before the actual reason is dumped. Patch below ensures that ongoing
oopses disable the context check, and it also pushes the panic-freeze to
a slightly bit earlier point.

Jan

---
 kernel/panic.c       |    2 ++
 lib/bust_spinlocks.c |    1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

Index: b/kernel/panic.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -267,6 +267,8 @@ int oops_may_print(void)
  */
 void oops_enter(void)
 {
+	ipipe_trace_panic_freeze();
+	ipipe_disable_context_check(ipipe_processor_id());
 	debug_locks_off(); /* can't trust the integrity of the kernel anymore *=
/
 	do_oops_enter_exit();
 }
Index: b/lib/bust_spinlocks.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- a/lib/bust_spinlocks.c
+++ b/lib/bust_spinlocks.c
@@ -18,7 +18,6 @@
 void __attribute__((weak)) bust_spinlocks(int yes)
 {
 	if (yes) {
-  		ipipe_trace_panic_freeze();
 		++oops_in_progress;
 	} else {
 #ifdef CONFIG_VT


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