linux-kernel - [tip:x86/mce2] x86, mce: Cleanup param parser

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Date:	Sat, 28 Mar 2009 21:29:02 GMT
From:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	seto.hidetoshi@...fujitsu.com, ak@...ux.intel.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/mce2] x86, mce: Cleanup param parser

Commit-ID:  38719db5cf9b8b22bbe2731d736bf271c803e0b0
Gitweb:     http://git.kernel.org/tip/38719db5cf9b8b22bbe2731d736bf271c803e0b0
Author:     Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
AuthorDate: Thu, 26 Mar 2009 17:39:20 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sat, 28 Mar 2009 13:12:55 +0100

x86, mce: Cleanup param parser

Impact: cleanup

- Fix the comment formatting.

- The error path does not return 0, and printk lacks level and "\n".

- Move __setup("nomce") next to mcheck_disable().

- Improve readability etc.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Acked-by: Andi Kleen <ak@...ux.intel.com>
LKML-Reference: <49CB3F38.7090703@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/cpu/mcheck/mce_64.c |   24 ++++++++++++++----------
 1 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index ca14604..9bf52bd 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -838,25 +838,29 @@ static int __init mcheck_disable(char *str)
 	mce_dont_init = 1;
 	return 1;
 }
+__setup("nomce", mcheck_disable);
 
-/* mce=off disables machine check.
-   mce=TOLERANCELEVEL (number, see above)
-   mce=bootlog Log MCEs from before booting. Disabled by default on AMD.
-   mce=nobootlog Don't log MCEs from before booting. */
+/*
+ * mce=off disables machine check
+ * mce=TOLERANCELEVEL (number, see above)
+ * mce=bootlog Log MCEs from before booting. Disabled by default on AMD.
+ * mce=nobootlog Don't log MCEs from before booting.
+ */
 static int __init mcheck_enable(char *str)
 {
 	if (!strcmp(str, "off"))
 		mce_dont_init = 1;
-	else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog"))
-		mce_bootlog = str[0] == 'b';
+	else if (!strcmp(str, "bootlog") || !strcmp(str, "nobootlog"))
+		mce_bootlog = (str[0] == 'b');
 	else if (isdigit(str[0]))
 		get_option(&str, &tolerant);
-	else
-		printk("mce= argument %s ignored. Please use /sys", str);
+	else {
+		printk(KERN_INFO "mce= argument %s ignored. Please use /sys\n",
+		       str);
+		return 0;
+	}
 	return 1;
 }
-
-__setup("nomce", mcheck_disable);
 __setup("mce=", mcheck_enable);
 
 /*
--
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