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. Pointed out by Robert Day Signed-off-by: Andi Kleen --- Documentation/kernel-parameters.txt | 2 ++ arch/x86_64/kernel/mce.c | 4 +--- 2 files changed, 3 insertions(+), 3 deletions(-) Index: linux/Documentation/kernel-parameters.txt =================================================================== --- linux.orig/Documentation/kernel-parameters.txt +++ linux/Documentation/kernel-parameters.txt @@ -970,6 +970,8 @@ and is between 256 and 4096 characters. mce [X86-32] Machine Check Exception + mce=option [X86-64] See Documentation/x86-64/boot-options.txt + md= [HW] RAID subsystems devices and level See Documentation/md.txt. Index: linux/arch/x86_64/kernel/mce.c =================================================================== --- linux.orig/arch/x86_64/kernel/mce.c +++ linux/arch/x86_64/kernel/mce.c @@ -699,8 +699,6 @@ static int __init mcheck_disable(char *s mce=nobootlog Don't log MCEs from before booting. */ static int __init mcheck_enable(char *str) { - if (*str == '=') - str++; if (!strcmp(str, "off")) mce_dont_init = 1; else if (!strcmp(str, "bootlog") || !strcmp(str,"nobootlog")) @@ -713,7 +711,7 @@ static int __init mcheck_enable(char *st } __setup("nomce", mcheck_disable); -__setup("mce", mcheck_enable); +__setup("mce=", mcheck_enable); /* * Sysfs support