linux-kernel - [PATCH][RESEND] m68knommu: start dump from exception stack

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Message-Id: <200707182330.l6INUEeW014893@goober>
Date:	Thu, 19 Jul 2007 09:30:14 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	torvalds@...ux-foundation.org
Cc:	gerg@...inux.org, linux-kernel@...r.kernel.org
Subject: [PATCH][RESEND] m68knommu: start dump from exception stack

In die_if_kernel() start the stack dump at the exception-time SP, not
at the SP with all the saved registers; the stack below exception-time
sp contains only exception-saved values and is already printed in
details just before.

Signed-off-by: Philippe De Muyter <phdm@...qel.be>
Signed-off-by: Greg Ungerer <gerg@...inux.org>
---


diff -Naur linux-2.6.22/arch/m68knommu/kernel/traps.c linux-2.6.22-uc0/arch/m68knommu/kernel/traps.c
--- linux-2.6.22/arch/m68knommu/kernel/traps.c	2007-07-12 15:23:02.000000000 +1000
+++ linux-2.6.22-uc0/arch/m68knommu/kernel/traps.c	2007-07-12 15:27:00.000000000 +1000
@@ -82,7 +80,7 @@
 
 	printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n",
 		current->comm, current->pid, PAGE_SIZE+(unsigned long)current);
-	show_stack(NULL, (unsigned long *)fp);
+	show_stack(NULL, (unsigned long *)(fp+1));
 	do_exit(SIGSEGV);
 }
 
-
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