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x86, mce: Cleanup param parser 

- 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.

[ Impact: cleanup ]

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
LKML-Reference: <49CB3F38.7090703@jp.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Hidetoshi Seto 2009-03-26 17:39:20 +09:00 committed by H. Peter Anvin
parent b5c42bc8db
commit 13503fa913
1 changed files with 14 additions and 10 deletions
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24
arch/x86/kernel/cpu/mcheck/mce_64.c
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@ -839,25 +839,29 @@ 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);
/*