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x86: clean up mce= argument parsing slightly 

Move the = into the __setup line.
Document the option in kernel-parameters.txt by adding a pointer
to the x86-64 specific documentation.

[ tglx: arch/x86 adaptation ]

Pointed out by Robert Day
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen 2007-10-17 18:04:38 +02:00 committed by Thomas Gleixner
parent ffecad95ee
commit 909dd324fb
2 changed files with 3 additions and 3 deletions
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2
Documentation/kernel-parameters.txt
View File

@ -994,6 +994,8 @@ and is between 256 and 4096 characters. It is defined in the file
mce [X86-32] Machine Check Exception mce [X86-32] Machine Check Exception
mce=option [X86-64] See Documentation/x86_64/boot-options.txt
md= [HW] RAID subsystems devices and level md= [HW] RAID subsystems devices and level
See Documentation/md.txt. See Documentation/md.txt.

4
arch/x86/kernel/mce_64.c
View File

@ -695,8 +695,6 @@ static int __init mcheck_disable(char *str)
mce=nobootlog Don't log MCEs from before booting. */ mce=nobootlog Don't log MCEs from before booting. */
static int __init mcheck_enable(char *str) static int __init mcheck_enable(char *str)
{ {
if (*str == '=')
str++;
if (!strcmp(str, "off")) if (!strcmp(str, "off"))
mce_dont_init = 1; mce_dont_init = 1;
else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog")) else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog"))
@ -709,7 +707,7 @@ static int __init mcheck_enable(char *str)
} }
__setup("nomce", mcheck_disable); __setup("nomce", mcheck_disable);
__setup("mce", mcheck_enable); __setup("mce=", mcheck_enable);
/* /*
* Sysfs support * Sysfs support