linux-kernel - [PATCH for 2.6.18] [7/8] i386: Fix up backtrace fallback patch

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Date:	Sat, 29 Jul 2006 21:42:52 +0200
From:	"Andi Kleen" <ak@...e.de>
To:	torvalds@...l.org
Cc:	discuss@...-64.org, linux-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH for 2.6.18] [7/8] i386: Fix up backtrace fallback patch


I didn't test all compilation combinations. Shame on me.
And fix a missing option in the boot option following x86-64 (Jan Beulich)
 
Signed-off-by: Andi Kleen <ak@...e.de>

---
 arch/i386/kernel/traps.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

Index: linux-2.6.18-rc2-git7/arch/i386/kernel/traps.c
===================================================================
--- linux-2.6.18-rc2-git7.orig/arch/i386/kernel/traps.c
+++ linux-2.6.18-rc2-git7/arch/i386/kernel/traps.c
@@ -190,11 +190,11 @@ static void show_trace_log_lvl(struct ta
 		if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
 #ifdef CONFIG_STACK_UNWIND
 			print_symbol("DWARF2 unwinder stuck at %s\n",
-				     UNW_PC(info.regs));
+				     UNW_PC(&info));
 			if (call_trace == 1) {
 				printk("Leftover inexact backtrace:\n");
-				if (UNW_SP(info.regs))
-					stack = (void *)UNW_SP(info.regs);
+				if (UNW_SP(&info))
+					stack = (void *)UNW_SP(&info);
 			} else if (call_trace > 1)
 				return;
 			else
@@ -1249,8 +1249,10 @@ static int __init call_trace_setup(char 
 		call_trace = -1;
 	else if (strcmp(s, "both") == 0)
 		call_trace = 0;
-	else if (strcmp(s, "new") == 0)
+	else if (strcmp(s, "newfallback") == 0)
 		call_trace = 1;
+	else if (strcmp(s, "new") == 2)
+		call_trace = 2;
 	return 1;
 }
 __setup("call_trace=", call_trace_setup);
-
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