linux-kernel - [PATCH] dumpstack: i386: make kstack= an early boot-param and add oops=panic

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Message-Id: <1223154766-19350-7-git-send-email-heukelum@fastmail.fm>
Date:	Sat,  4 Oct 2008 23:12:45 +0200
From:	Alexander van Heukelum <heukelum@...tmail.fm>
To:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Alexander van Heukelum <heukelum@...tmail.fm>
Subject: [PATCH] dumpstack: i386: make kstack= an early boot-param and add oops=panic

 - make kstack= and early_param
 - add oops=panic, setting panic_on_oops

Signed-off-by: Alexander van Heukelum <heukelum@...tmail.fm>
---
 arch/x86/kernel/dumpstack_32.c |   17 ++++++++++++++---
 1 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 96d78c9..d5347f1 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -421,13 +421,24 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
 	do_exit(SIGSEGV);
 }
 
+static int __init oops_setup(char *s)
+{
+	if (!s)
+		return -EINVAL;
+	if (!strcmp(s, "panic"))
+		panic_on_oops = 1;
+	return 0;
+}
+early_param("oops", oops_setup);
+
 static int __init kstack_setup(char *s)
 {
+	if (!s)
+		return -EINVAL;
 	kstack_depth_to_print = simple_strtoul(s, NULL, 0);
-
-	return 1;
+	return 0;
 }
-__setup("kstack=", kstack_setup);
+early_param("kstack", kstack_setup);
 
 static int __init code_bytes_setup(char *s)
 {
-- 
1.5.4.3

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